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Monday's Tragic Violent Tornado in Oklahoma and the Importance of being Weather Ready
Strong Storms Tracked Across the Area on Monday Evening
Storm Reports & Radar Loop From Sunday Evening
Tornado Safety Rules
Severe Thunderstorm Safety Rules
NWS Chicago Social Media and Severe Weather
Looking for Great Lakes Water Level Data? Check out the new NOAA GLERL Water level Dashboard!
Safe Boating Week May 18th-24th, 2013
Climate Data for Memorial Day for Chicago and Rockford
Heat on Tuesday Leads to Near-Record One Day Warm-Up
Presentations from 2013 GLOMW
Low Temperatures Observed This Morning
Extraordinary One Day Warm Up Forecast Mon into Tues!
Cool Nights to End This Weekend; Freeze Climatology Info
Number of EF1+ Tornadoes from May 2012-April 2013 Likely to Set a Record Low for 12-Month Period
May Climate Data for Chicago and Rockford
Highlights of a Cool and Extremely Wet April
Rockford NOAA Weather Radio Station KZZ-57 Outage Today
After the First 80°+ Readings of the Year Yesterday, More Today
Two Years Since the Deadly Southeast Tornado Outbreak; Are You Prepared?
Why Has It Been So Wet Lately? (476 KB PDF)
The Record Flooding of April 17-18: Crests, Rainfall, Photos, and Setup
No 70 Degree Days Yet in Rockford and More Cool Spring Weather Statistics
Wettest April on Record for Chicago!
NOAA Scientists to Brief Media on the Great Lakes Low Water Situation
April 2013 Record River Crests (updated 4/22)
River Flooding FAQ
Palm Sunday Tornado Outbreak on this Date in 1965
Rockford NOAA Weather Radio Antenna Upgrade Delayed
Toyota Park First Large Outdoor Venue to Become StormReady in Chicagoland!
Rockford NOAA Weather Radio Station Will Be Off The Air
NWS Chicago Spring 2013 Newsletter (21MB)
What a Difference One Year Makes!
March 2013 Climate Summary; No 60° Temperatures
Climate Statistics for Chicago and Rockford for the Month of April
Easter Climate Data for Chicago and Rockford
Lack of 50 Degree Days This March
Event Recaps from this Past Winter Season
January 29th Rainfall Totals and Records
This is Indiana Severe Weather Preparedness Week
March 24, 2013 Snow Event
NOAA Weather Radio Outage
Late Season Snowfall Facts and Stats
Annual Fermilab Tornado and Severe Storms Seminar with Tom Skilling April 6
Wintry Mix this Morning Across the Area
St. Patrick's Day Climate Information
March 18-22 is Flood Safety Awareness Week
Rockford NOAA Weather Radio Station KZZ57 Degraded
Satellite View of Snow Streaks from Tuesday's Snow Showers
Reflecting on the Historic & Unprecedented Warmth of March 2012- One Year Later
A Look Back at the March 5th Snowstorm and Historical Perspective
A Look Back at the Feb 26th Heavy Snow Event
Visit us at the Grundy County Earth Expo Saturday March 9
Join CoCoRaHS during March Madness!
Spring Flood Outlook #2 Issued March 7, 2013
Winter 2012/13 Back-loaded with Snow
Preliminary Snowfall Amounts from March 5th
Illinois Statewide Tornado Drill Today!
How Unusual is Snow in March? *updated*
Preliminary Snowfall Totals
Winter Storm to Impact Area Today
Latest Multimedia Briefing for Significant Winter Storm Today
New Lenox Safety Expo/Severe Weather Preparedness Workshop - Canceled!
Statewide Tornado Drill Postponed until Wednesday
Severe Weather Preparedness Week March 3-9
Winter Weather Continues Overnight
Advanced Spotter Training in Naperville March 16
Another Winter Storm Tuesday???
Summary of Snowfall over Northeast IL and Northwest IN
Spring Flood Outlook #1 Issued Feb 21, 2013
Much Colder on Tuesday
Big Storm Coming Next Week?
Maximum Wind Gusts from Monday
February 7th Snow Totals *Updated 10:30AM Friday
Rain Changing to Snow Captured on Radar and Reports Thursday Morning
Recent "Flurry" of Activity Has Boosted Snowfall Totals
24-Hour Snowfall Amounts
National Weatherman's Day
Latest Multimedia Briefing on Accumulating Snow Tonight Into Monday (Updated 3pm)
Snowfall Totals Ending at 7 am Saturday
Anniversary of the February 1-2 2011 Blizzard
A Look Back at the Climate for the Month of January 2013 for Chicago and Rockford
A Look Ahead at Climate Statistics for February for Chicago and Rockford
Severe Storm and Tornado Spotter Training 2013
Flood Monitor Page
Active Weather possible Tuesday
Flooding & Severe T-storms Possible Tuesday: Latest Multimedia Briefing
Latest Multimedia Briefing On The Freezing Rain
Chicago Officially Observes First Daily One Inch Snowfall
NOAA Animation of Cold Air Spreading Across the U.S.
24-Hour Snowfall Amounts Ending at 7 AM Thursday
Lake Effect Snow Into Chicago and North Shore Areas Through Early Afternoon
Low Temperatures and Wind Chills Observed Tuesday Morning
Smoke Plume from Bridgeport Fire on WFO Chicago WSR-88D
Coldest Weather of the Season: A Wind Chill Advisory in Effect
Visible Satellite Imagery Reveals Interesting Features
Looking Back at the Lowest Temperature On Record in Chicago and Some Thoughts About the Current Cold Snap
Peak Wind Gust Speeds Last Night
Will a Long Streak Without Subzero Temperatures in Rockford and Chicago End By Tuesday Morning?
A Look Back at Below Zero Temperatures and Snow Cover in Chicago
Chicago's Lack of Cold and Snow Breaking All-Time Records (Updated Jan 18th)
Chicago's Snowless Streak Continues
NWS Mobile Weather Site
Cold Air Seen by Satellite Advancing South Across Canada
Four Year Anniversary of the January 15-16, 2009 Cold Wave
How Does First Half of This Winter Stack Up??
Radar Loop and Totals from Saturday Night's Wintry Event
Chicago Area Skywarn pioneer Bob Hajek passed
National Weather Service Family Mourns Loss of Jon Racy, SPC Lead Forecaster
By a Wide Margin, 2012 was the United States' Warmest Year on Record
Five Year Anniversary of an Extremely Rare January Tornado in Northern Illinois
2012 Chicago and Rockford Climate Statistics
Color Satellite View of NWS Chicago Forecast Area Showing Snow Cover, 1/4/13
2012 is the Warmest Year on Record for Chicago and Rockford
Periods of Snow South Through the Afternoon
Chicago is Behind Many Other Cities for Snowfall
Weather Currents - Winter 2012 Newsletter
Glancing Blow From Winter Storm Wednesday
Recap of the December 20th Winter Weather Event
Highest Wind Speeds from December 20-21, 2012
Unprecedented Lack of Winter Continues in Chicago
Winter Storm Impacting Region Today/Tonight (Updated 7:30 pm Thursday)
Rainfall Reports From This Morning
Chicago Surpasses Record for Latest First Accumulating Snowfall
Top 10 Weather Events for 2012 Northern IL and Northwest IN
Rockford is Within the Longest Stretch of No Measurable Snowfall on Record
New Weather Observation Equipment at Northerly Island, Chicago
Information on the Extremely Dry Conditions in 2012 - corrected
Spring in December; All-Time December High Set at Rockford
December and Winter Climate Data for Chicago and Rockford
Spring in December- How rare is it?
November and Fall 2012 Climate Summary for Chicago and Rockford
WIFR TV in Rockford is a StormReady Supporter
Gusty Winds and Significantly Colder Air End an Active Weather Week
Dense Fog Images and Facts from Tuesday Night and Wednesday Morning
Near Record Warmth Experienced on Thanksgiving
2012-2013 Winter Outlook for Northern Illinois and Northwest Indiana
Thanksgiving Climate Data for Chicago and Rockford
NWS Chicago on Twitter and Facebook
Today is GIS Day
Lengthy Time With No Snowfall Prior to Monday
Expansion of River Forecast Services in Northeast IL
Presidential Election Day Weather in Chicago
River Ice Spotter Training Dec 4, 2012 in Ottawa, IL
SKYWARN Recognition Day 2012
Ice Pellets/Sleet Saturday Morning
NWS Chicago Goes Trick or Treating!
October 2012 Final Numbers
Summary of Sandy's Local Impacts
NOAA Weather Radio Station KZZ-55 Off the Air
Sharp Temperature Drop Experienced Thursday
Halloween Climate Data for Chicago and Rockford
Powerhouse Cold Front To Send Temps Crashing From Mid-Afternoon into Evening
80 Degree Trivia for Chicago
Climate Prediction Center Winter Outlook
What is Graupel?!?
Kendall County StormReady!
Highest Wind Gusts from Sunday
Periods of Rain and Storms This Weekend
Backyard Weather Observers Wanted - CoCoRaHS Training Saturday Oct 20 Ottawa, IL
NWS Chicago Open House and Food Drive Saturday October 13
Colder Air on its Way By Late This Afternoon
NWS Chicago Enhances Marine Forecasts
Fall Freeze Information for the Area
Climate Summary for September 2012; First Month Cooler than Normal in a Year at Chicago
Surfzone Forecast and Notification of Increased Rip Current Risk Suspended
One Year Since A Powerful Autumn Storm Brought 20-25 Foot Waves
Chicago Still Just Shy of Record # of 80 Degree Days
Weather Currents - Fall 2012 Newsletter
NWS Chicago Now on Twitter!
Significant Temperature Fall from Wednesday to Thursday
More Warm Records Being Broken in 2012
Numerous Roll Clouds Seen Early Wednesday Morning
Weekly NOAA Weather Radio Test Postponed Today
Chicago Only One 90 Degree Day Away From All Time Record!
Total Rainfall From the Remnants of Tropical Cyclone Isaac
Climatology of Tropical Storm Remnants for the Local Area
Climate Summary for Summer 2012
Climate Summary for August 2012
Labor Day Climatological Data for Chicago and Rockford
Volunteer Observers Help Track Isaac's Rainfall
A Tropical-Like Air Mass Brought Efficient Rainfall on Sunday Afternoon and Night
Despite Recent Cooler Weather, Summer Still Within Top Five Warmest
Record Breaking August Gale Pummels Lake Michigan (Updated with Photos 8/13)
Detecting Birds on Radar
NASA: 2012 Perseid Meteor Shower
Sediment Churned by Lake Michigan Seen By MODIS Satellite
Coolest Weather Since June
July 2012 hottest month ever recorded for contiguous U.S.
Storm Reports 9th August 2012
Gusty Thunderstorms Have Been Frequent Despite Drought
A Downburst Occurred Over O'Hare International Airport Early Thursday Morning
Severe Winds Impacted the Area Tuesday Morning
Recap of Saturday Afternoon's Severe Thunderstorms and Rainfall
Changes to River Forecast Service on Des Plaines River at Romeoville IL
July 2012 Climate Data for Chicago and Rockford
What was the most recent extreme drought in our area prior to 2012?
More Lake Michigan Records Broken
A Meteorological Comparison Between July 1995 and July 2012 Heat Waves
Current Growing Streak of 80F+ Days Among Longest on Record
Local Area Storm Reports from June 29 Derecho
A Look Back at the Heat Wave
Radar Images Show More than Weather
A Comparison of Chicago and Rockford Heat Waves and Hot Summers
Last Week's Heat Wave 2nd Warmest 3-Day Period for Chicago
Heat Wave: Safety Info, Chicago and Rockford Hot Weather Facts
Lake Michigan Water Temperatures Reach Earliest 80 Degrees
A Recap of Thursday's Gusty Thunderstorms - Updated with Storm Damage
Unusually Large Number of 90 Degree Days Through June
Downburst Crosses KLOT Doppler Radar 6/29/2012
A Look Back at the Climate Data for June 2012
Lightning Safety Awareness Week June 24-30
Tranquil Severe Weather Season Thus Far
Severe Weather and Heavy Rain on June 16th
Finally Some Rain! How Much Did Saturday Bring?
One of the Sunniest Junes on Record for Chicago...so far
One of the Driest Starts to June on Record
Coming Soon: Weather Warnings on the Go!
Abnormally Dry Weather Continues
Doppler Radar Detects Vehicles on Thursday Morning
Headed to the Beach this Summer? Teach Your Kids About Rip Currents
Climate Statistics for May 2012 at Chicago and Rockford
Climate Statistics for the Record Warm Spring of 2012 at Chicago and Rockford
Several Temperature Records Broken Sunday 5/27/2012
Record Warm Winter-Spring Lead To Near Record Warm Lake Temps
Maximum Wind Gusts from a Windy Thursday
A Microburst Confirmed Near Gary, Indiana on Sunday May 20th
Overview of Storm Damage and Flooding on Sunday May 6
A Meteorological Retrospective of the March 2012 Heat Wave
A Recap of Thursday Night's Severe Weather and Heavy Rainfall
Changes to River Forecast Services June 1, 2012
Rainfall Amounts From Sunday Into Early Monday; Dual-Pol Radar Estimates on Track
Abnormally Dry Spring Weather
Extraordinarily Rare Feat This Spring!
45th Anniversary of Northern Illinois' Worst Tornado Disaster
An Impressive Temperature Spread Was Observed on Thursday
Presentations from 2012 GLOMW
An In Depth Meteorological Analysis of the March Heat Wave from NOAA ESRL
Weather Currents - WFO Chicago Newsletter for Spring 2012
Interesting Daily Facts from March 14-23, 2012
Least Number of Days with Lows of 32 Degrees or Lower in March
If this March Were April, How Warm Would it Have Ranked?
A Look at the Number of 70 Degree Days in March 2012
Discussion About Mild March From The Midwest Regional Climate Center
A Historic Stretch of Daily Temperatures Records this March
Record March Lake Michigan Water Temperature?
Does Our Warm March Weather Mean We Will Have a Hot Summer?
March 2012 vs Prior Warmest March's
Record Highs Set on Wednesday, More Possible This Week
Flood Safety Awareness Week Day 3 - Floods, Droughts, and more...
Flood Safety Awareness Week Day 4 - Flood Insurance
Flood Safety Awareness Week Day 2 - Turn Around, Don't Drown
Flood Safety Awareness Week Day 5 - Flood Safety and a Weather Ready Nation
Flood Safety Awareness Week Day 1 - AHPS
Flood Safety Awareness Week March 12-16
Chicago and Rockford Winter 2011-2012
Solar Radiation Storm in Progress - UPDATED 3/8/2012 12:45 PM
The Warmth and Winds of Tuesday and Wednesday
Another Warm and Windy Day
A Top Ten Warmest Winter Here and Elsewhere
This is Illinois Severe Weather Preparedness Week
Summary of Friday's Dynamic Weather (Updated with Dual-Pol Imagery)
2012 Spring Flood Outlook... updated March 1
Highest Wind Gusts From Sunday
Recap of the February 23rd-24th Snowfall
The Latest Stats on the Lack of Snow Cover and Mild Temperatures this Winter
Summary of Friday Night's Lake Effect Snowstorm
The Impact of Snow Cover on Air Temperatures in Action
The Number of 40F & 50F Days Continue To Tally Up
More Interesting Stats About Winter 2011-2012 and January 2012 in Chicago and Rockford
A Look Back at the Climate for the Month of January 2012 for Chicago and Rockford
One Year Ago: A Massive Blizzard Impacted the Region
February 5 is National Weatherperson's Day
Snow Cover: What a difference a 50 degree day makes!
Unusually Snow-Free Winter
A Look Back at the January ’67 Big Snow
Friday's Snow Event Had an Impressive Duration of Low Visibility in Snow
January 20th Snowall Recap
Major Solar Flare Yesterday
Snowfall Reports From This Morning
Snowfall Measurements Requested
Weather Pattern Change by Early Next Week
January 12th Snowfall Event Summary
How Late Was This First Appreciable Snowfall?
Calm Before the Storm: Near-Record to Record Highs on Wednesday
How Warm Has it been this Winter Relative to Last Year?
Least Snowy Winter Statistics
Climate Summary for 2011 For Chicago
Climate Summary for 2011 For Rockford
Climate Data for December 2011 for Chicago and Rockford
Anniversary of the Chicago "Fog Bowl"
Top Weather Events of 2011 for Northern IL and northwest IN
December 2011 Warmth
2011 Now Ranks as Second Wettest on Record for Chicago
New Years Day Climatology for Chicago and Rockford
Does An Unseasonably Warm Dec Mean Anything About The Rest of Winter?
2011 Extreme Weather Events Across the Nation
Christmas Day Forecast and Weather Facts
Dreaming of a White Christmas?
Climate Data for Chistmas day for Chicago and Rockford
Summary of Saturday Morning's Snowfall
Snow Cover Now and Then...
Weather Currents - Winter 2011 Newsletter
The First Accumulating Snowfall of the Season
The Slow Start to Winter 2011/2012 Continues...
More Fun Snow(less) Statistics
Was this November Unusually Windy?
Climate Reviews for November and Meteorological Autumn
Dual-Pol Radar at NWS Chicago Captures Transitioning Precipitation
Peak Gusts Through Late this Morning
First Measurable Snowfall Statistics for Chicago and Rockford
Today's Forecast and Thanksgiving Climatology
Peak Wind Gusts for Friday, November 18th
KLOT Dual-Polarization Upgrade Is Complete (See early images!)
Celebrate GIS Day on Wednesday, November 16th!
Peak Winds Sunday
Our First Snowfall; How it Compares to Climatology
Using Dual-Pol to Watch Rain to Snow Transition
Climate Data for the Month of November for Chicago and Rockford
Climate Data for the Month of October for Chicago and Rockford
A Note about Radar Clutter Suppression
End of the Growing Season
Peak Wind Observations October 19th-20th
News Release: Chicago NWS Radar Dual-Polarization Upgrade October 17-October 28
Waves, Sediment and Clouds (Updated with Indy Dunes Pix!)
September 2011 Climate data for Chicago and Rockford
Summary of Wind Speeds
Chicagoland Waterspout Details & Findings
2011 Summer Roundup
One of the Coldest Labor Days on Record for Chicago and Rockford
Summer 2011 Climate Data for Chicago and Rockford
August 2011 Climate Data for Chicago and Rockford
How does the rainy summer of 2011 in Chicago stack up historically so far?
Update: Dual-Polarization Upgrade to NWS Chicago Doppler Radar - October 17-30
Is Your Place of Business, Event, or Venue Ready for a Severe Storm? Are You Responsible for a Place Where People Gather? Become StormReady!
Back to School! Is Your School Prepared for Dangerous Weather? Click Here for a Planning and Preparedness Guide!
New Rockford Normals for the Period 1981-2010
New Chicago Normals for the Period 1981-2010
Precipitation Distribution for July 2011
Unusually Humid July in Rockford
In Depth Look at the New 1981-2010 Normals (pdf file)
July 2011 - At Least 80 Everday in Rockford, All But One in Chicago
New 1981-2010 Climate Normals Start Aug 1
Funnel Clouds in DeKalb and Ogle Counties Friday Afternoon
A Wet...Wet...Wet July
Record Wettest July set at Chicago O'Hare...UPDATED
Are You Interested in Measuring Rain, Hail, and Snow from your own Backyard?
Our Jekyll and Hyde July
Information on the 23 July 2011 Record Setting Rainfall at Chicago-O'Hare
Extreme Rainfall Rate at Chicago-O'Hare this Morning!
July 2011 Temperature and Precip to date
Temperature Reaches 100 F Wednesday!
Learn More about Heat Waves and Heat Safety
Summary of Temperature Records Set or Tied on July 19th
Additional Heat Wave Information
A Look Back at the Past 20 Years of Intense Heat in Chicago
July 2011 Heat Wave Web Briefing
July 11th Lake Michigan Seiche
July 11th Derecho and Seiche
Why The Comfortable July Humidity?
4th of July Climate Data for Chicago and Rockford
June 30th Severe Weather Summary
July 1st Heat
Severe Thunderstorms and Tornadoes of June 21st 2011
Meteorological Aspects of 100 Degree Heat Locally
Chicago Newsletter- Weather Currents - Is Available
Tuesday June 21 Severe Storms
June 21st Suburban Chicago Tornadoes
June 20th 2011 Tornado
River Forecast Changes on Fox and Des Plaines Rivers July 2011
Spring 2011 U.S. Climate Extremes
June 15 South Holland Tornado Damage Survey - updated
Tornadoes Reported Wednesday 15 June 2011
15June2011 Wake Low Chicago
Information on this Week's Heat Wave
Damage Survey of June 4 Storms over Northwest IN - updated with maps
4 June 2011 Severe Weather Review
Summary of Local Storm Reports for 04 June 2011
Changes to river flood warning services July 2011
25 May 2011 Storm Survey Information
90 Degree Temperatures on Memorial Day
May 22 2011 Damage Summary - Updated Friday Afternoon
24 Hour Rainfall Totals and Observer Reports as of this Morning
Summary of Local Storm Reports through 900AM 23 May 2011
NOAA: April was seventh warmest on record
2011 Safe Boating Week May 21 - 27
April 25-28, 2011, Southern US Tornado Outbreak Statistics
Information About the Gloomy Month of April 2011 for Rockford
Information About the Gloomy Month of April 2011 for Chicago
PRESS RELEASE: DEVASTATING TORNADO OUTBREAK SERVES AS REMINDER OF IMPORTANCE OF PREPAREDNESS
Retrospective analysis of Winter 2010-11
44th Anniversary of 1967 Belvidere and Oak Lawn Tornadoes
Record Daily Snowfall Set Today at Chicago-O'Hare
Tornado Safety Rules
Listing of Storm Reports from Sunday Evening
Climatological Information for April
A Look Back at the Climate for the Month of March 2011
Late Season Snowfall Statistics
NOAA: February Ranked 17th Warmest on Record
Flood Safety Awareness Week March 14-18 2011
March Normals and Extremes for Chicago and Rockford
2010-2011 Winter Snowfall Totals for Chicago and Rockford
February Monthly Snowfall Rankings for Chicago and Rockford (Updated Feb 28 6:00 AM)
PRESS RELEASE: National Weather Service, Federal Aviation Administration, and Commercial Aviation Partners Gather to Discuss Effects of Weather on Air Travel
Blizzard Storm Total Snowfall Adjusted & In-Depth Look at Chicago's Big Snows
Climate Data for Valentine's Day
Record Low Temperature at Rockford This Morning
Interesting Lake Effect Snow (02-08-11)
February 1-2, 2011 Blizzard Summary
Record Four Consecutive 50+ Inch Seasonal Snowfalls for Chicago. Rockford Too?
Biggest Snowstorms in Chicago and Rockford
Official Snowfall Totals - Data Through 12 Noon
Daily Snowfall Records Set at Chicago and Rockford on February 1st
Getting through the Blizzard of 2011
Winter Weather Safety and Survival Tips
History of 10 Inch or Greater Snow Storms in Chicago
2010 Climate Reports for Chicago and Rockford
December 2010 Climate Data for Chicago OHare and Rockford
December 31st Marks the 22nd Anniversary of the Chicago Fog Bowl
Lake Effect Snowfall Totals December 25th-26th
December 24th-25th Snowfall Totals
Thundersnow 101…A Scientific Review of the December 20th Thunder-Snow Event
December 20th Snowfall
Above Average Temps End Abruptly This Month
Top Weather Events of 2010
Snowfall Total Roundup For Sunday through Tuesday
Snowfall Roundup for Sunday and Monday
24 Hr Snowfall Reports as of This Morning
Snow Reports from Around the Area
Peak Wind Gusts and Wind Damage Reports from Significant Winter Storm
Storm Reports via Twitter
December 3rd-4th Snowfall Totals - Updated with Map
Snowfall Records Set for 4th of December at Chicago and Rockford
Fall 2010 Climate Data for OHare and Rockford
November 2010 Climate Data for OHare and Rockford
Total Rainfall Amounts from Monday and Monday Night
Updated Tornado Information from 11/22/2010
Late Season Tornadoes in Northern Illinois
EF2 Tornado confirmed at Caledonia (Updated at 720 PM)
Skywarn Recognition Day 2010
Expansion of River Forecast Services on the Rock River at Dixon, IL
Wednesday, November 17th, 2010 is GIS Day
Eldon Gunia of Peru, IL receives NWS Holm Award
Four Tornadoes Confirmed Tuesday (funnel picture added Thu afternoon)
Was the October 26th storm record breaking??
Non-thunderstorm Wind Gusts and Damage Reports from 10/26-10/27
Thunderstorm Damage and Wind Gust Reports from 10/26
Peak Non-Thunderstorm Wind Gusts on Wednesday (Updated Noon Thursday)
Scientific Review Of Chi-clone 2010
Two Additional Tornadoes Confirmed in the Area Tuesday for a Total of 3
EF 2 Tornado Confirmed in Will County (Updated)
Severe Thunderstorms Brought Possible Tornadoes Tuesday Morning
How the upcoming cyclone ranks among other notable cyclones over the Great Lakes...UPDATED!
7th greatest number of 80 degree days in Chicago
Late Season Warmth Stats
Why Are Low Temperatures So Tricky To Forecast??
Summer-like Warmth Not Over Yet??
Severe Weather Reports Sept 22, 2010
Unseasonably Warm Lake Michigan Cooling Off!
2010 Warmest Global Temperature on Record So Far
Fourth Warmest U.S. Summer on Record
September is National Preparedness Month
Chicago 80 Degree Weather Trivia - Updated 8/31
Streak of 79F+ Days Continues (update Aug 30th)
Record Stretch of Warmth & Record Stretch of No Real Heat
New Record of Days At or Above 80 Degrees for Chicagoland
NWS Chicago Newsletter - Weather Currents - Plainfield Tornado 20th Anniversary
NOAA: Second Warmest July and Warmest Year-to-Date Global Temperature on Record
Chicago County Warning Area Strong-Violent Tornadoes: 1880-2010
Plainfield Tornado 20th Anniversary - Digital Map - Tornado Path & Roads
Lake Michigan Water Temperatures Unusually Warm
July's Climate Summary for Chicago and Rockford
Flooding Continues on Portions of the Rock and Pecatonica Rivers
South Dakota Storm Produces Record Hailstone
Past Decade Warmest on Record
Severe Weather and Flooding from the 23rd through 24th
72 Hour Rainfall Totals as of 700 am Sunday
Rip Currents: Awareness and Safety Information
Summary of Hourly Heat Index Values Friday Afternoon
So How Do The Number of 90F Days in 2010 Stack Up??
June, April to June, and Year-to-Date Global Temperatures are Warmest On Record
Stay Cool (and safe) in the Heat
Fatality Confirmed from the June 5th Dwight Tornado
June 2010 Precipitation - A Wet Month
Wet June in Northern Illinois
Climate Data for 4th of July for OHare and Rockford
Lee Trevino Struck by Lightning – 35 Years Ago
June 23 Damage Surveys - Oak Brook and Matteson
Difference Between a Tornado and Downburst
23 June 2010 Severe Thunderstorms
June 18th Bow Echoes (UPDATED June 21)
Radar Loops From June 18 Derecho
Benton County Supercell of June 14 2010 Radar Imagery
Benton County Supercell of June 14 2010
Summary of June 5 Tornadoes (UPDATED 6/10/2010...Added 2 tornadoes)
Overview Map of June 5th Tornadoes
Explanation of the Enhanced Fujita Scale
Radar Loop from June 5th, 2010 Storm
June 1st to 2nd Rainfall Totals
Safe Boating Week May 22-28th
Safe Boating Week May 22-28th
Safe Boating Week May 22nd-28th
Safe Boating Week May 22-28th, 2010
Safe Boating Week May 22-28th
Safe Boating Week May 22-28th
Safe Boating Week May 22-28th
Record Precipitation Set for May 13
Past 24 Hour Rainfall Reports across Northern Illinois and Northwest Indiana
Tennessee Flooding On Visible Satellite
This Week is Air Quality Awareness Week
Think April 2010 was warm? You're right!
Redesigned Web Page for Chicago Area CWSU in Support of Enhanced Aviation Weather Services
Gusty Winds Thursday April 29th
A Look Ahead at May Climatological Data
New Weather Satellite Captures its First Thermal Images of Earth
Send Storm Reports to NWS via Twitter
Significant Changes to Aviation Portion of Area Forecast Discussion (AFD)
New links for Advanced Hydrologic Prediction Service pages
Fireball Reported Across the Region Wednesday Night
Average Last Freeze Dates in Northern Illinois
The December 25-26th "Surprise" Snowstorm
Snowfall Totals From December 25-26th
Record Rainfalls Measured Thursday
April 5th Severe Weather
50th Anniversary of the Satellite that “Forever Changed Weather Forecasting”
Expanded River Forecast Services Effective April - updated March 16
St. Patrick's Day Climate Data for Chicago OHare and Rockford
Indiana Severe Weather Preparedness Week March 14-20
Flood Safety Awareness Week March 15-19, 2010
Winter 2009-10 Climate Summary for Chicago OHare and Rockford
February 2010 climate data for OHare and Rockford
Seasonal Snowfall Rankings for Chicago and Rockford
More Interesting Stats On Dismal Winter
Unusual Lack of Warmth This Winter
Illinois Severe Weather Preparedness Week February 28 - March 6
Maximum Wind-Hail Size Tag To Be Appended To Severe Thunderstorm Warnings
Wrap-Up on February 8th-10th Winter Storm
Chicago Snowstorm Shatters Records!!
Winter Road Conditions
January 2010 climate data for OHare and Rockford
NOAA, Google Join Forces to Visualize Scientific Data
Coldest Day in Chicago History - 25 Years Ago
Ice Jams on Area Streams - updated 1/13/2010
Snowfall Totals for Northern IL and Northwest IN Jan 6-9
Snow Storm Totals for January 7-8, 2010 event
History of 10 Inch Snowstorms in Chicago
2009 Climate Report for Chicago OHare and Rockford
This Weekend Marks the 11th Anniversary since the January 1-3, 1999 Snowstorm
Top Ten Snowiest Decembers (Updated)
WFO Chicago Winter 2009 Newsletter
Chicago Area Weather Roundup Now Available
12/22/09 Snowfall Totals as of 800AM
What’s a Solstice?
Top Weather Stories of 2009 for Northern IL and Northwest IN
Snowfall and Rainfall Reports from December 7-9 Storm -updated with pictures
NOAA: 2009 Global Temperatures Well Above Average
Get Wind, Temperature, and Precipitation Type Forecasts Hour by Hour, and 6 Hour Precipitation Amounts for this Storm - Use the Hourly Weather Graph
How Much Snow Fell? Overnight Snowfall Reports Ending this Morning
Snow Trivia for Chicago and Rockford
WFO Chicago/Romeoville Now Providing 3-hourly TAF Service
November 2009 Climate Information For Chicago and Rockford
Fall 2009 Climate Information For Chicago and Rockford
Winter Weather Preparedness Week
Is Your Workplace or School Ready for a Severe Storm? Become StormReady®!
Gloomy October - Updated!
A Look Back at the Climate for October for Chicago and Rockford
Unusually Cool Year Continues...
NWS Chicago Open House
Weather Currents Fall 2009 Newsletter
Peak Wind Gusts from Monday
NOAA’s Powerful New Supercomputers Boost U.S. Weather Forecasts
Tornado Confirmed in Chesterton - updated with tornado photo!
Morning fog seen on visible satellite
Record Weather for Rockford, IL for both August 2009 and Summer 2009!
Tornado Confirmed in Iroquois County
Two Tornadoes Confirmed in Kane County
Lake Effect... In August???
Recent Tornadoes Underscore Our Area's Vulnerability to Such Storms
Learn About the Enhanced Fujita (EF) Scale Meteorologists Use to Rate Tornadoes
Rainfall Running Below Normal
Coldest July On Record In Illinois
New NOAA Weather Satellite (GOES 14) Takes Its First Image from 22,336 Miles in Space
Get NWS Weather Warnings Sent to your Mobile Device!
Weather Workshop a hit with the kids
New Report Provides Authoritative Assessment of National, Regional Impacts of Global Climate Change
Putting the Chilly July 2009 into Perspective - #1 Coldest at Rockford since 1906, #7 Coldest at Chicago since 1872
One Year Anniversary of the August 4, 2008 Tornadoes and Damaging Winds - Looking Back at That Event
End of Month Climate Information for July 2009
El Nino is coming back...what does that mean for Winter?
Know your Haines Index from your Significant Wave Height and your Gage Datum? Look up any weather term in the NWS Weather Glossary!
Mineral Dust and Climate
Global Ocean Surface Temperature Warmest on Record for June
2009...The Year Without A Summer?
Cool Weather During June in Chicago Offset by Warmer Weather Elsewhere Yields Average Temperatures Nationwide for the Month
A Very Cool July
Large Hail Strikes DuPage County Early Saturday Morning
El Niño Arrives; Expected to Persist through Winter 2009-10
Left Hand Menu Changes to our Web Site
When Thunder Roars, Go Indoors!
Funnel Cloud at Steward Illinois
June 2009 - 7th Wettest at Chicago - 12th Wettest at Rockford
June Climate Review for Chicago and Rockford
New NOAA Satellite Reaches Orbit
Weather Currents Summer 2009 Newsletter
EF 1 Tornado Confirmed in Woodstock, IL
Lightning Safety Week June 21-27!
June 19th, 2009 Severe Weather Reports
Another Wet Year In Progress
33rd Anniversary of the Lemont Tornado
Summer Missing In Action
Congratulations Wood Dale - Chicago Area's Latest StormReady Community
Rip Currents Awareness Week June 7-13
An Interesting Satellite Image
Just How Cool Was It Tuesday?
June 1-2 Rainfall
2009 Spring Climate Review
Spring 2009 in the top 10 Wettest Springs - Updated
Summertime is Beach Time - Check the Forecast for the Beach
What You May Not Notice On Satellite
Rainfall from May 15-16
Damage Survey Results from May 13 2009
Stay informed 24/7 with the NOAA All Hazards Weather Radio
Rainfall from May 12-14
A Wet Start to 2009
Survey on Training Needs for National Weather Service (NWS) Partners on the Dual-Polarization Radar Upgrade to the WSR-88D
Does the number of below 0 days in winter forecast the summer?
Four Hurricane Names Retired from List of Storms
Tornado Scientists Take to the Field
April Climate Review for Chicago and Rockford
Rain, Rain, Go Away! - updated 5/1
National Tornado Experiment to Begin in May
Smoke Plume Detected by Radar Tuesday Afternoon
April 5th Snowfall Totals
Snowfall Climate for the Month of April
Weekend Late Snow Storm Summary (Updated 3/29/09)
Regional Total Snowfall Amounts from Saturday and Sunday's Early Spring Storm
History of Spring Heavy Snows in Northern Illinois
Weather Currents Spring 2009 Newsletter
High Wind Speeds for Area Airports
Change to Severe Thunderstorm Warning Criterion for Hail
Strong Winds Tuesday Night into Wednesday
March 8 2009 Tornadoes
Storm reports from March 7-8th
March 1-2 Lake Effect Snow Snowfall Reports
Need Help Programing Your Weather Radio?
February 21 Storm Total Snowfall
Lake Michigan Fish Populations Threatened by Decline of Tiny Creature
NWS Fire Weather Experts Assisting in Australia
February 11 Rainfall Amounts through this Morning
Record Temperatures February 10th
What is La Niña ?
Expanded River Forecast Services on the Fox and Illinois Rivers
February 3-4 Snowfall Reports
How Accurate Is That Prognosticating Rodent Anyway?
What is Lake Effect Snow, and How Does it Form?
New! A Local Aviation Climatology
No 40 Degree Temperatures For ChicagoThis January!
Chicago and Rockford now in Top 10 for Consecutive Days of 6" Snow Depth!
Snowfall Totals Tuesday Night to Wednesday Morning
The Comings and Goings of Ice on the Lake
Student Opportunities at NWS Chicago
Cold and Snowy Winter Continues
NOAA Prepares to Launch New Polar-Orbiting Satellite for Climate & Weather
December 2008 in Illinois: 10th wettest and 26th coldest in 114 years
January 19-20 Snowfall Reports
Quantifying The Recent Cold Snap
So How Low Did The Wind Chills Get?
Low Temperatures from Friday Morning
January 14th Snowstorm Summary
Are Those Clouds On Satellite??
How Does This Seasons Snow Pile Up?
January 12-13 Snowfall Reports
Snowfall Totals for January 9-10 2009
Recent Daily Snowall Amounts
January 9-10 Snowfall Totals
New NOAA Great Lakes Laboratory Opens
History of Weather on Presidential Inauguration Day
One of the Coldest, Snowiest Starts to Winter on Record...UPDATED!
Top 10 Weather Events for 2008 for Northern Illinois and Northwest Indiana (pdf)
End of Year Climate Summaries for Chicago OHare and Rockford (pdf)
Is Weather Really Causing Potholes?
River Flooding FAQ
2008: Now the Wettest Year on Record in Chicago - and More Coming (Updated 6 AM Dec 27)
Flash Flood Safety Rules
December 23-24 Snowfall
Snowy start to the winter season...Updated
December 18-19 Observed Snowfall and Weather Summary
10 inch Snowfall Climate Data
What Causes Freezing Rain?
Observed Snowfall Map - December 16
Advancements in Forecasting for Flight: Aviation Weather History
Northern Illinois and Northwest Indiana Observed Snowfall December 9
Friday Night/Saturday Morning Snowfall Totals
Historic September Flooding - Lessons Learned
Observed Snowfall from December 3-4, 2008
Snowfall Totals for 11/30/08 to 12/01/08
Need A Holiday Gift Idea? How About a NOAA All-Hazards Weather Radio!
Migrating birds seen on radar
November 17-18 Lake Effect Snowfall Reports from Northwest Indiana
October 2008: Second Warmest on Record Globally
First Measurable Snow at Chicago
Have You Seen Our Hourly Weather Graphs?
Unseasonably Warm Early November Weather Coming to an End
NWS Chicago Tornado Warning Service
Election Day Climatology at Chicago and Rockford
Pilots: New Terminal Aerodrome Forecast Format Begins November 4 5:30 pm CST
Snowfall Statistics for the First Snowfall of the Season
Wind Reports From Sunday
New Google Earth Maps
Frost and Freeze information
Weather Currents Newsletter - Fall 2008
Rainfall Totals From the Storm September 12-15 2008
Pictures of September 2008 flood event!
River Crests for Select Locations for Recent Flood Event
Interested in measuring precipitation? Join CoCoRaHS!!!
September 13th to 14th Flood Event
Heaviest calendar day rainfall on record!
September 12th-14th flooding
Latest Info on Hurricane Ike
September Rainfall - What a Difference a Month Makes
Jasper County IN Tornado September 4 2008
Rockford Finally Reaches 90 Degrees
Summer 2008 Climate Data for Chicago and Rockford
August 2008 Climate Data for Chicago and Rockford
New Weather Safety Guide for Schools - Now Available!
Unusual Sunset Shadows
NOAA Weather Radio - All Hazards distribution to non-public schools
Really cool record set for Rockford
August 4th Tornadoes and Damaging Winds (Updated Information)
Get NWS Forecasts and Radar Images on Your Cell Phone or PDA
Beachgoers: Rip Currents Have Claimed the Lives of Several Chicagoland Residents - Do You Know What to Do?
NWS Doppler Radar Detecting Cars
Storm surveys from Kankakee and Watseka Aug 4/5th
Fifth Tornado from Monday Confirmed - Orland Park
Summertime Heat and Car Safety
NEW! Guide to NWS Hydrologic Information on the Web (10 MB)
Hazy Skies Caused by Canadian Fires
Beachgoers: Rip Currents Can Be a Threat
Weather Currents Summer 2008 Newsletter
Seiche Strikes Chicago Lakeshore
The Hottest Week in Rockford's History
New products for Air Quality, Drought. New Heat Criteria
Non-Thunderstorm Wind Gusts Reported Friday June 6th
Damage Surveys of June 7 Tornadoes
Tornadoes of June 7th
Interesting Cook County Tornado Statistics
What’s a Solstice?
Boone County Tornado June 13
Results from Storm Surveys of June 7th Tornadoes
June 4th Severe Weather Event
Storm Reports-June 4th/5th
Storm Reports from Friday morning event
May 30th-Wind, Hail and Flooding Events
Wake Low Produces Strong Winds Tuesday Evening
April Climatic Data for Chicago and Rockford
Changes to Local Hazardous Weather Outlook
Warmest Temperatures of 2008
Spring Storm Readiness
Unusually White and Wet Winter
Fermilab Severe Storm Seminar Info - A Sure Sign of Spring!
Seasonal Snowfall Rankings for Rockford and Chicago
Highest Snowfall Season to Date For Rockford
Current Snowfall Season in Top 10 for Chicago...Will it stay there?
Chicago Climate Stations are now "Threaded"
Storm Reports for February 5th and 6th Snow Storm
Chicago’s Top Ten Snowstorms and 2007 to 2008 Snowstorms
January 31 - February 1 Snow Storm
Tuesday’s Wild Weather
Illinois Tornado Tally for 2007 - a Quiet Year
Ice Jam Flooding Information
Pictures from Flood Survey of Kankakee and Iroquois Rivers
NWS Chicago Flood Survey and Pictures from Pontiac
Precipitation Totals for Heavy Rainfall Event
Damage Survey Photos Available from Monday’s EF3 Tornado
2007 Climatic Year In Review for
Another Chicagoland Winter Tornado Documented - 56 Years Later
Skywarn Severe Storm and Tornado Spotter Training
Dec 28th Snowfall Summary
Unusually White December In Rockford
Dreaming of a White Christmas?
Storm Total Snowfall Report Summary for Dec 15-16th
How Do Freezing Rain and Sleet Form?
November and Fall Climate In Review
Volunteer Weather Observing Program Marks First Year
New Great Lakes Marine Web Portal
November 11-17 is Winter Weather Preparedness Week for Illinois and Indiana
October 2007 Climate Review
Thursday Oct 18th’s Severe Weather Outbreak (Update 10/20)
Record Warmth for the First Week of October
Weather Currents Winter 2007 Newsletter
Kankakee County and Evergreen Park StormReady
Voluntary Recall of Some Oregon Scientific Weather Radios
Take Personal Responsibility to Be Prepared for Dangerous Storms
August 2007 is the Wettest Month Ever at Rockford
August 23rd 2007 Severe Weather Damage Survey/Radar Images (Updated 8/26)
Tornado in Winfield, IL Thursday August 23rd
Minor Seiche on Lake Michigan Wednesday Morning
Intense Wind Storm Rakes NW Indiana (Updated!)
Tornado in Bolingbrook Sunday evening
Heavy Rain and Flash Flooding Aug 7, 2007 (Updated 8/14)
Smoke From Western Wildfires In Area
Hot Weather Information
Localized Wind Damage Wednesday Morning
Microburst Causes Damage South of O’Hare Airport Tuesday Afternoon
Sunday’s Hot Weather
How Hot Can it Get in a Closed Vehicle?
New Daily Graphical Weather Story Available
Weather Currents Summer 2007 Newsletter
Doppler Radar Detecting Cars!?!?
New "Point and Click" forecasts for the Great Lakes
Lightning Safety Awareness Week - updated with lightning fatalaties!
Severe Thunderstorms Strike Northern Illinois Friday
Fire in Harvey Illinois seen on National Weather Service Radar
Downburst and small tornado at Streamwood-Schaumburg May 16
Severe Weather in northwest Indiana May 15, 2007
April Climate Review for Chicago and Rockford
Tornado in Plainfield and Bolingbrook April 26
April Snowfall Climate Statistics
Carol Stream-Glendale Heights Microburst Storm Survey
Spring 2007 Weather Currents Newsletter!
Climate Statistics for the 2006-2007 Winter
Total Snowfall from the Feb 13-14 2007 Snowstorm
Climate Data for January 2007
Improved Tornado Rating System Operational
Looking for Snow Amounts?
2nd Least Amount of Freezing or Below High Temperatures in 2006
2006 Climate Summaries for
Top Weather Events of 2006
Dreaming of a White Christmas?
Record Number of Tornadoes in Illinois in 2006
El Nino vs. Snowfall-Updated
Table listing of total snowfall measurements from December 1 storm
Earliest Measurable Snowfall in Chicago and DeKalb’s History
Damage Survey from Monday’s Severe Weather-UPDATED
NW Indiana Flood Survey
Rockford Labor Day Flood
July 27 Funnel Clouds and Wall Clouds - update
New Automated Weather Station in Waukegan is online!
Lightning Safety Awareness Week June 18-24
Low Flow Graphics for Area Rivers Now Available
Woodridge is StormReady
Rip Current Week June 4-10!
Analysis and Views of the April 14, 2006 Large Hail Event
2005-2006 Drought Ends for Northern Illinois and Indiana
NOWData now available!
NOAA All Hazards Weather Radio Changes
Was January 2006 the Warmest January Ever for Chicago and Rockford?
December 8, 2005 Midway Airport Snow Event
Top 10 Weather Events for Northern Illinois and Northwest Indiana!
Looking for Snowfall Totals?
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