Weather Trivia by Month for Northern Illinois and Northwest Indiana

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 October Weather Trivia Statements

OCTOBER 1
OCTOBER 1, 1971:  IT WAS A WARM START TO OCTOBER WHICH PROVED TO BE ONE OF THE TOP THREE WARMEST OCTOBERS ON RECORD AT BOTH CHICAGO AND ROCKFORD. ON THIS DATE...THE HIGH CLIMBED TO 92 AT CHICAGO AND 90 DEGREES AT ROCKFORD...SETTING HIGH TEMPERATURE RECORDS AT BOTH STATIONS.


OCTOBER 2
...CHICAGO... OCTOBER 2, 1974:  THE LOW DROPPED TO 28 DEGREES ON THIS DATE MAKING IT THE EARLIEST KILLING FROST ON RECORD FOR THE CITY.

...ROCKFORD... OCTOBER 2, 1922:  THIS WAS THE FIRST IN A STRING OF FOUR DAYS WHERE HIGH TEMPERATURES REACHED TO AT LEAST 90 DEGREES. ALL FOUR DAYS ENDED UP SETTING NEW HIGH TEMPERATURE RECORDS INCLUDING THE 91 DEGREES RECORDED ON THIS DATE.


OCTOBER 3
...CHICAGO... OCTOBER 3, 1954:
  VERY WARM AND HUMID CONDITIONS HAD OCCURRED FOR THE PAST COUPLE OF DAYS...AHEAD OF A STRONG COLD FRONT THAT PRODUCED VERY HEAVY RAINS ACROSS MUCH OF CHICAGO. BY MIDNIGHT 3.95 INCHES OF RAIN FELL...THE 9TH ALL-TIME HIGHEST DAILY RAINFALL TOTAL ON RECORD. SERIOUS FLOODING OCCURRED AS UNDERPASSES AND BASEMENTS FILLED UP WITH ALL OF THE RUN-OFF. AROUND ONE MILLION DOLLARS IN DAMAGE OCCURRED.

...ROCKFORD... OCTOBER 3, 1997:   THIS WAS THE SECOND DAY IN A SEVEN DAY HEAT WAVE THAT SENT HIGH TEMPERATURES PAST THE 80 DEGREE MARK. ON THIS DATE...THE HIGH REACHED 90 DEGREES WHICH TIED THE RECORD PREVIOUSLY SET IN 1922. ALTHOUGH THIS WAS THE ONLY RECORD ESTABLISHED OVER THE SEVEN DAY PERIOD...TEMPERATURES WERE AROUND 15 TO 20 DEGREES ABOVE NORMAL.


OCTOBER 4
OCTOBER 4, 2002:
 A COLD FRONT MOVED ACROSS NORTHERN ILLINOIS DURING THE LATE MORNING AND EARLY AFTERNOON. STRONG WINDS OF 30 TO 45 MPH WITH SOME GUSTS BETWEEN 50 AND 60 MPH FOLLOWED THIS FRONT. TREES WERE BLOWN DOWN IN MACHESNEY PARK WHICH ALSO KNOCKED DOWN POWER LINES. A BARN AND GRAIN BINS WERE DESTROYED BY HIGH WINDS IN POPLAR GROVE. ONE DOWNED TREE IN ELGIN KNOCKED DOWN POWER LINES THAT FELL ONTO OCCUPIED VEHICLES. WHILE NO ONE WAS INJURED...THREE PEOPLE WERE TRAPPED IN THEIR CAR UNTIL THE POWER WAS TURNED OFF. LIGHT WEIGHT SCAFFOLDING WAS BLOWN OFF A BUILDING PRODUCING MINOR DAMAGE TO SIX CARS IN COOK COUNTY.


OCTOBER 5
OCTOBER 5, 1922:
  THIS WAS THE LAST OF A FOUR-DAY HEAT WAVE TO AFFECT NORTHERN ILLINOIS. THE HIGH TEMPERATURE ON THIS DATE CLIMBED TO 87 DEGREES AT CHICAGO AND 90 AT ROCKFORD. WHILE THE RECORD HAS SINCE BEEN BROKEN IN 1997 FOR CHICAGO...THE 90 DEGREES AT ROCKFORD SET A HIGH TEMPERATURE RECORD THAT STILL STANDS TODAY. RECORD-SETTING TEMPERATURES OCCURRED ON THREE OF THE PAST FOUR DAYS AT ROCKFORD...ALL 90 DEGREES OR HIGHER.


OCTOBER 6
OCTOBER 6, 1963:
  NORTHERN ILLINOIS GOT TO EXPERIENCE A LAST TASTE OF SUMMER AS THE TEMPERATURE REACHED 94 DEGREES IN CHICAGO. THIS IS THE WARMEST TEMPERATURE IN OCTOBER EVER RECORDED FOR THE CITY. ROCKFORD RECORDED A HIGH OF 90 DEGREES ON THIS DATE AS WELL. THIS SET A RECORD HIGH TEMPERATURE FOR THE 6TH.


OCTOBER 7
...CHICAGO... OCTOBER 7, 2001: CHILLY AUTUMN AIR MOVED INTO THE CHICAGO AREA CAUSING LOW TEMPERATURES TO BOTTOM OUT BELOW THE FREEZING MARK ON THE 6TH AND 7TH. ON THIS DATE...THE LOW FELL TO 29 DEGREES WHICH SET A LOW TEMPERATURE RECORD AND WAS THE COLDEST OF THE TWO NIGHTS.

...ROCKFORD... OCTOBER 7, 1942: THE MERCURY CLIMBED TO A RECORD BREAKING 88 DEGREES. EVEN MORE UNUSUAL WAS THE 40 DEGREE DROP IN TEMPERATURE TO A NIGHTLY LOW OF 48. THE NORMAL CHANGE IN DAILY TEMPERATURES IS 23 DEGREES FOR AN OCTOBER DAY IN ROCKFORD...AND THIS WAS NEARLY DOUBLE THE NORM.


OCTOBER 8
...CHICAGO... OCTOBER 8, 1959: A TORNADO STRUCK IN THE VICINITY OF MCHENRY AROUND 4 PM RESULTING IN EXTENSIVE PROPERTY DAMAGE. ABOUT THE SAME TIME...HAIL WAS REPORTED NORTHWEST OF CHICAGO.

...ROCKFORD... OCTOBER 8, 1916: THIS WAS THE SECOND DAY IN A ROW WHERE THE HIGH TEMPERATURE REACHED 88 DEGREES. THIS LED TO BOTH DAYS SETTING A HIGH TEMPERATURE RECORD. THIS BRIEF TASTE OF SUMMER WAS SHORT LIVED AS THE HIGH TEMPERATURE ONLY CLIMBED TO 64 DEGREES ON THE 8TH.


OCTOBER 9
...CHICAGO... OCTOBER 9, 1954: THIS WAS THE START OF A TWO DAY DELUGE ACROSS NORTHERN ILLINOIS. BY THE END OF THE DAY...2.27 INCHES OF PRECIPITATION WAS RECORDED IN CHICAGO. THIS SET A NEW GREATEST PRECIPITATION RECORD ON THIS DATE.

...ROCKFORD... OCTOBER 9, 1915: THE GROWING SEASON CAME TO AN ABRUPT END IN 1915 AS ROCKFORD RECORDED ITS FIRST FREEZE...WITH TEMPERATURES DROPPING TO 23 DEGREES. THIS TEMPERATURE WAS CHILLY ENOUGH TO BREAK MINIMUM
TEMPERATURE RECORDS...AND IS RIGHT AROUND THE SEASONAL AVERAGE FOR THE END OF THE GROWING SEASON.


OCTOBER 10
OCTOBER 10, 1954: HEAVY RAIN CONTINUED FOR A SECOND DAY ACROSS NORTHERN ILLINOIS. CHICAGO RECEIVED ANOTHER 3.94 INCHES OF RAIN ON THIS DATE...ESTABLISHING A NEW GREATEST PRECIPITATION RECORD. THIS LEAD TO A MONTHLY PRECIPITATION TOTAL OF 12.06 INCHES...THE WETTEST OCTOBER IN THE CITY'S HISTORY. ROCKFORD RECEIVED 4.78 INCHES OF RAIN ON THIS DATE ALONE...ALSO SETTING A RECORD FOR GREATEST PRECIPITATION ON THE 10TH. THIS LEAD TO A MONTHLY TOTAL OF 7.92 INCHES...
WHICH IS THE SECOND WETTEST OCTOBER IN ROCKFORD'S HISTORY. FLOOD DAMAGE FROM THE TWO DAYS OF HEAVY RAIN WAS ESTIMATED AT 25 MILLION DOLLARS IN THE CHICAGO AREA WITH AT LEAST TEN MILLION DOLLARS OF DAMAGE IN CHICAGO ITSELF. TRAFFIC WAS CUT OFF BY FLOODED UNDERPASSES AND
COMMUNICATIONS AND POWER FACILITIES WERE SERIOUSLY AFFECTED. MANY HAD TO BE EVACUATED FROM FLOODED HOMES IN SUBURBAN AREAS. TO MAKE MATTERS WORSE...A SMALL TORNADO STRUCK HOMEWOOD ON THE SOUTH SIDE ON THIS DATE... PRODUCING TEN THOUSAND DOLLARS IN DAMAGE.


OCTOBER 11
...CHICAGO... OCTOBER 11, 1897: LIGHT RAIN FELL ACROSS CHICAGO, WITH 0.18 INCHES RECORDED FOR THE DAY. UNFORTUNATELY THIS WAS THE ONLY DAY THAT MONTH WHICH HAD MEASURABLE PRECIPITATION...MAKING IT THE DRIEST OCTOBER ON RECORD.

...ROCKFORD... OCTOBER 11, 1920: THE HIGH TEMPERATURE REACHED 88 DEGREES ON THIS DATE...SETTING A HIGH TEMPERATURE RECORD THAT STILL STANDS TODAY. THIS WAS ONE OF ELEVEN DAYS WHERE THE HIGH SHOT UP INTO THE 80S...AND WAS THE WARMEST TEMPERATURE RECORDED DURING THE MONTH. THIS LED TO OCTOBER 1920 RANKING AS THE 4TH WARMEST OCTOBER IN ROCKFORD'S HISTORY.


OCTOBER 12
...CHICAGO... OCTOBER 12, 1988: THIS WAS THE SECOND YEAR IN A ROW WHERE THE LOW DIPPED TO 28 DEGREES...RESULTING IN TYING THE RECORD LOW TEMPERATURE THAT WAS ESTABLISHED IN 1987.

...ROCKFORD... OCTOBER 12, 1909: ON THIS DATE...THE LOW TEMPERATURE DROPPED TO 29 DEGREES. ALTHOUGH THIS IS NO LONGER A LOW TEMPERATURE RECORD... THIS SUB FREEZING READING ALLOWED FOR 0.2 INCHES OF SNOW TO FALL. THIS IS THE EARLIEST MEASURABLE SNOWFALL TO OCCUR FOR THE CITY.


OCTOBER 13
...CHICAGO... OCTOBER 13, 2001: HEAVY RAIN BEGAN FALLING ACROSS NORTHEAST ILLINOIS DURING THE AFTERNOON HOURS ON THE 13TH AND CONTINUED INTO THE EVENING HOURS. BASEMENT AND STREET FLOODING OCCURRED IN MT. PROSPECT WHILE IN PLAINFIELD...TWO SUBDIVISIONS HAD STREET FLOODING AND SANDBAGS WERE NEEDED TO CONTAIN A CREEK. HOWEVER THE WORST FLOODING OCCURRED ACROSS MOST OF DUPAGE COUNTY
WHERE NUMEROUS STREETS AND MAJOR ROADS WERE FLOODED AND CLOSED. SEVERAL MOTORISTS IN WHEATON WERE TRAPPED IN THEIR CARS ON ROUTE 53 AND HAD TO BE RESCUED. IN ADDITION TO THE FLOODING...SEVERAL TREES WERE BLOWN DOWN IN NILES AND MORTON GROVE. A TREE LIMB FELL ON A THREE YEAR OLD GIRL CAUSING SEVERE BRAIN DAMAGE. UNFORTUNATELY SHE
DIED TWO DAYS LATER. STRONG WINDS ALSO BROKE SKYLIGHT WINDOWS AT GOLF VIEW SHOPPING MALL WHERE SIX PEOPLE SUFFERED MINOR INJURIES FROM FLYING DEBRIS. CARS WERE ALSO DAMAGED IN THE MALL PARKING LOT.

...ROCKFORD... OCTOBER 13, 1952: A MEAGER ONE HUNDREDTH OF AN INCH OF PRECIPITATION FELL. WHEREAS THIS NORMALLY WOULD NOT BE A SIGNIFICANT EVENT...IT WAS THE ONLY RAIN TO FALL FOR THE ENTIRE MONTH. THE MONTHLY TOTAL OF 0.01 INCHES IS THE DRIEST OCTOBER AND DRIEST MONTH EVER OBSERVED
IN ROCKFORD'S HISTORY. NOT A DROP OF RAIN FELL UNTIL THE 16TH OF NOVEMBER...AND THE RAIN ON THIS DATE WAS THE ONLY MEASURABLE PRECIPITATION SINCE SEPTEMBER 24TH. FIFTY-TWO DAYS WENT BY WITH ONLY 0.01 INCHES OF RAIN.


OCTOBER 14
OCTOBER 14, 1925: IT WAS AN UNUSUALLY COOL OCTOBER FOR NORTHERN ILLINOIS THIS YEAR. CHICAGO'S DAILY HIGH TEMPERATURE WAS BELOW NORMAL FOR 30 CONSECUTIVE DAYS. THE CITY SET EIGHT DIFFERENT TEMPERATURE RECORDS...INCLUDING THE COOLEST OCTOBER ON RECORD. ROCKFORD WAS JUST AS COOL...WITH ELEVEN DIFFERENT TEMPERATURE RECORDS BEING SET. THIS WAS ALSO ROCKFORD'S COOLEST OCTOBER ON RECORD.


OCTOBER 15
OCTOBER 15, 1953: AN EIGHT-DAY WARM SPELL BEGAN ACROSS CHICAGOLAND AS THE HIGH REACHED 81 DEGREES. IN FACT HIGH TEMPERATURES OVER THIS PERIOD CLIMBED INTO THE 80S...SOME 18 TO 26 DEGREES ABOVE NORMAL. DAILY HIGH TEMPERATURE RECORDS WERE SET ON FOUR CONSECUTIVE DAYS IN CHICAGO. SIMILARLY AT ROCKFORD...THE HIGH CLIMBED TO 80 DEGREES ON THIS DATE WHICH ALSO LED TO A NEARLY CONTINUOUS EIGHT-DAY STRING OF HIGH TEMPERATURES IN THE 80'S. THREE DAILY HIGH TEMPERATURE RECORDS WERE ESTABLISHED DURING THIS PERIOD.


OCTOBER 16
OCTOBER 16, 1991: A QUICK SHOT OF CHILLY AIR DESCENDED ON
NORTHERN ILLINOIS...CAUSING LOW TEMPERATURES TO FALL BELOW FREEZING. ON THIS DATE...THE LOW FELL TO 28 DEGREES AT CHICAGO AND 27 DEGREES AT ROCKFORD. THIS LED TO A NEW LOW TEMPERATURE RECORD AT CHICAGO AND TIED WITH THE RECORD LOW PREVIOUSLY SET IN 1944 AT ROCKFORD.


OCTOBER 17
OCTOBER 17, 1950: THIS WAS IN THE MIDST OF A THREE-DAY WARM SPELL WHERE HIGH TEMPERATURES SOARED INTO THE 80S IN NORTHERN ILLINOIS. ON THIS DATE...THE HIGH CLIMBED TO 86 DEGREES AT CHICAGO AND 87 DEGREES AT ROCKFORD...LEADING TO BOTH STATIONS EITHER TYING OR SETTING HIGH TEMPERATURE RECORDS. ANOTHER RECORD WAS ESTABLISHED ON THE NEXT DAY IN CHICAGO AS WELL.


OCTOBER 18
...CHICAGO... OCTOBER 18, 1975: STRONG WINDS CHURNED LAKE MICHIGAN AND SENT VIOLENT WAVES CRASHING INTO THE EXTREME SOUTHWEST SHORE. AT LEAST 16 BOATS RANGING FROM JOHNBOATS TO CABIN CRUISERS WERE SMASHED INTO KINDLING WOOD.

...ROCKFORD... OCTOBER 18, 1953: MORE SUMMER-LIKE TEMPERATURES RETURNED TO ROCKFORD AS HIGH TEMPERATURES CLIMBED INTO THE 80S FOR SIX DAYS STRAIGHT. THE HIGH CLIMBED TO 86 DEGREES ON THIS DATE... TYING THE HIGH TEMPERATURE RECORD PREVIOUSLY SET IN 1950. NEW RECORDS WERE ALSO SET OR TIED ON THE FOLLOWING TWO DAYS.


OCTOBER 19
...CHICAGO... OCTOBER 19, 1989: ON THIS DATE...CHICAGO RECEIVED 3.8 INCHES OF SNOW...MAKING IT THE EARLIEST TIME THE CITY RECEIVED ONE INCH OR MORE OF SNOW FOR THE SEASON. ANOTHER 1.8 INCHES FELL THE NEXT DAY...WITH A 3 DAY TOTAL OF 6.3 INCHES...MAKING IT THE SNOWIEST OCTOBER ON RECORD.

...ROCKFORD... OCTOBER 19, 1969: IT WAS A SOGGY OCTOBER IN ROCKFORD AS IT RAINED NINE OF THE PREVIOUS ELEVEN DAYS...WITH FOUR DAYS DUMPING OVER AN INCH OF RAIN. ON THIS DATE...1.46 INCHES FELL...WHICH SET A GREATEST DAILY PRECIPITATION RECORD.


OCTOBER 20
OCTOBER 20, 1930: UNSEASONABLY COLD AIR MOVED IN NORTHERN ILLINOIS...CAUSING TEMPERATURES TO TUMBLE AT OR BELOW THE FREEZING MARK FROM THE 18TH THROUGH THE 22ND. ON THIS DATE... THE LOW FELL TO 24 AT CHICAGO AND 19 AT ROCKFORD RESULTING IN LOW TEMPERATURE RECORDS EITHER BEING SET OR TIED. FOUR RECORDS IN TOTAL WERE SET DURING THIS COLD SNAP AT BOTH CHICAGO AND ROCKFORD.


OCTOBER 21
OCTOBER 21, 1979: UNSEASONABLY WARM AIR MOVED INTO NORTHERN ILLINOIS ON THE 19TH AND CONTINUED ITS HOLD THROUGH THE 21ST. THIS RESULTED IN CHICAGO AND ROCKFORD SEEING LOW TEMPERATURES IN THE LOWER 60S TO 70 DEGREES. BOTH STATIONS ESTABLISHED HIGH MINIMUM TEMPERATURE RECORDS OVER THREE CONSECUTIVE DAYS. THIS IS SOME 25 TO 30 DEGREES ABOVE THE NORMAL MORNING LOW.


OCTOBER 22
...CHICAGO... OCTOBER 22, 1913: CHILLY FALL WEATHER DESCENDED ON CHICAGO AS HIGH TEMPERATURES ONLY CLIMBED INTO THE UPPER 30S TO THE UPPER 40S FROM THE 20TH THROUGH THE 22ND. ON THIS DATE... THE HIGH CLIMBED TO 41 DEGREES WHICH SET A LOW MAXIMUM TEMPERATURE RECORD. ANOTHER RECORD WAS ESTABLISHED ON THE 21ST WHEN TEMPERATURES ONLY REACHED 39 DEGREES.

...ROCKFORD... OCTOBER 22, 1947: THE HIGH TEMPERATURE SHOT UP TO 85 DEGREES ON THIS DATE. BESIDES SETTING A HIGH TEMPERATURE RECORD...THIS WAS JUST ONE OF THIRTEEN DAYS WHERE A HIGH OF AT LEAST 80 DEGREES WAS RECORDED. NORMALLY THERE ARE FOUR DAYS. THE MONTHLY AVERAGE TEMPERATURE WAS JUST OVER ELEVEN DEGREES ABOVE NORMAL...MAKING OCTOBER OF 1947 THE WARMEST OCTOBER IN THE CITY'S HISTORY.


OCTOBER 23
OCTOBER 23, 1981: IT FELT MORE LIKE WINTER THAN FALL ON THE 23RD AND 24TH AS BOTH CHICAGO AND ROCKFORD HAD HIGH TEMPERATURES THAT FAILED TO CLIMB ABOVE 40 DEGREES WITH BELOW FREEZING OVERNIGHT LOWS. BOTH STATIONS SET FOUR LOW MAXIMUM AND MINIMUM TEMPERATURE RECORDS OVER THE TWO DAYS.


OCTOBER 24
OCTOBER 24, 2001: A LONG LIVED SUPERCELL MOVED ACROSS NORTHERN ILLINOIS DURING THE EARLY MORNING HOURS. THIS STORM DROPPED HAIL THE SIZE OF HALF DOLLARS IN WINNEBAGO COUNTY AND DROPPED QUARTER SIZE HAIL IN BOONE AND MCHENRY COUNTIES. LATER ON IN THE MORNING...ISOLATED SEVERE THUNDERSTORMS DEVELOPED ACROSS NORTHERN ILLINOIS AHEAD OF A STRONG COLD FRONT. AS THIS COLD FRONT MOVED EAST...THE THUNDERSTORMS FORMED A SQUALL LINE AND BEGAN TO PRODUCE WIDESPREAD WIND DAMAGE ACROSS NORTHEAST AND EASTERN ILLINOIS. TREES AND POWER LINES WERE BLOWN DOWN IN CRETE AND A SEMI WAS OVERTURNED IN PEOTONE. TREES AND POWER LINES WERE BLOWN DOWN ACROSS SOUTHERN COOK COUNTY.


OCTOBER 25
...CHICAGO... OCTOBER 25, 1995: SUSTAINED WINDS OF 20 TO 30 MPH WITH GUSTS TO NEAR 50 MPH BROKE TREE LIMBS AND CAUSED SCATTERED POWER OUTAGES THROUGHOUT NORTHERN ILLINOIS. THE STRONGEST WIND GUST RECORDED AT O'HARE AIRPORT WAS 45 MPH AT 4 AM. TWO CONSTRUCTION WORKERS WERE KILLED WHEN A CINDER BLOCK WALL COLLAPSED AT THE CONSTRUCTION SITE OF A BOYS AND GIRLS CLUB IN CHICAGO AROUND 12:45 PM.

...ROCKFORD... OCTOBER 25, 2001: A STRONG LOW PRESSURE SYSTEM MOVED ACROSS THE GREAT LAKES REGION EARLY ON THE 25TH RESULTING IN A STRONG PRESSURE GRADIENT ACROSS NORTHERN ILLINOIS. NUMEROUS TREES AND POWERLINES WERE BLOWN DOWN IN DIXON AND ROCKFORD. STRONG WINDS ALSO BATTERED THE CHICAGO AREA RESULTING IN STRUCTURAL DAMAGE. AN ESTIMATED 30,000 CUSTOMERS LOST POWER THROUGHOUT THE REGION.


OCTOBER 26
...CHICAGO... OCTOBER 26, 1997. AN INTENSE STORM BROUGHT STRONG NORTHEAST WINDS TO CHICAGO'S LAKEFRONT. WINDS BLEW DOWN A LARGE TREE ONTO TWO PARKED CARS. OTHER TREES AND LIGHT POLES WERE TOPPLED BY THE WINDS. FIFTEEN FOOT WAVES WASHED OVER LAKE SHORE DRIVE AND MEIGS FIELD. THE AIRPORT WAS CLOSED WHEN WINDS GUSTED TO 58 MPH AND WATER AND SAND COVERED THE RUNWAY.

...ROCKFORD... OCTOBER 26, 1962: THIS WAS THE FOURTH OUT OF A FOUR CONSECUTIVE DAY STRING WHERE LOW TEMPERATURES FELL BELOW THE FREEZING MARK. ON THIS DATE...THE LOW FELL TO 18 DEGREES...WHICH NOT ONLY SET A LOW TEMPERATURE RECORD...BUT WAS THE COLDEST TEMPERATURE RECORDED DURING THE MONTH.


OCTOBER 27
OCTOBER 27, 1927: NORTHERN ILLINOIS GOT A LAST TASTE OF SUMMER AS HIGH TEMPERATURES CLIMBED TO 83 DEGREES AT CHICAGO AND 84 AT ROCKFORD. THIS LED TO BOTH STATIONS ESTABLISHING HIGH TEMPERATURE RECORDS THAT STILL STAND TODAY.


OCTOBER 28
OCTOBER 28, 1925: A LATE OCTOBER COLD SNAP HAD SETTLED ACROSS MUCH OF NORTHERN ILLINOIS. THIS WAS THE SECOND OF THREE DAYS WHERE LOW MAXIMUM TEMPERATURE RECORDS WERE SET IN CHICAGO AND ROCKFORD. LOW TEMPERATURES ON THE 28TH AND 29TH FELL TO 19 DEGREES AT CHICAGO AND TO 8 AND 9 ABOVE RESPECTIVELY AT ROCKFORD...WHICH ALSO LED TO NEW RECORDS FOR BOTH DATES.


OCTOBER 29
OCTOBER 29, 1996: THUNDERSTORMS WITH A FAST MOVING COLD FRONT PRODUCED WIND GUSTS OF 50 TO 80 MPH ACROSS PORTIONS OF NORTHERN ILLINOIS. THE STORMS DOWNED NUMEROUS TREES AND POWER LINES AND DAMAGED SEVERAL BUILDINGS. AS MANY AS 90,000 CUSTOMERS WERE WITHOUT POWER. FIVE HUNDRED REPAIR CREWS WERE SENT OUT AND ELECTRICITY WAS OUT FOR AS LONG AS 30 HOURS IN SOME LOCATIONS. THESE WINDS CAUSED A TRUCK TO OVERTURN ON I-88 IN NORTHEAST LEE COUNTY AND A 300 FOOT TOWER WAS TOPPLED NEAR ROCKFORD. THE HIGHEST WIND GUSTS WERE RECORDED IN NORTHEAST ILLINOIS...WITH A READING OF 80 MPH IN MCHENRY...79 MPH IN CARPENTERSVILLE...65 MPH IN PLANO... 60 MPH GUST AT YORKVILLE...68 MPH GUSTS ON THE WEST SIDE OF CHICAGO ...60 MPH AT ORLAND PARK...80 MPH AT CHICAGO HEIGHTS...AND 61 MPH AT O'HARE.


OCTOBER 30
...CHICAGO... OCTOBER 30, 1974: ALTHOUGH OCTOBER WAS NEAR ITS END...IT FELT MORE LIKE EARLY SUMMER AS THE HIGH CLIMBED TO 76 DEGREES WHILE THE LOW ONLY FELL TO 62. THIS LED TO A NEW HIGH MINIMUM TEMPERATURE RECORD ON THIS DATE. SIMILAR CONDITIONS OCCURRED ON HALLOWEEN AS ANOTHER HIGH MINIMUM TEMPERATURE WAS ESTABLISHED WHEN A LOW OF
65 DEGREES WAS RECORDED.

...ROCKFORD... OCTOBER 30, 1925: THE COLD SNAP IN 1925 WAS COMING TO AN END AS THE LOW TEMPERATURE PLUMMETED TO 7 ABOVE. THIS NOT ONLY SET A RECORD LOW ON THE 30TH...BUT IS ALSO THE COLDEST TEMPERATURE EVER RECORDED IN OCTOBER IN STATION HISTORY. AS A RESULT OF THIS EARLY WINTER BLAST...OCTOBER 1925 IS THE COLDEST OCTOBER SINCE RECORDS BEGAN IN 1893.


OCTOBER 31
OCTOBER 31, 1950: UNSEASONABLY WARM WEATHER SETTLED OVER NORTHERN ILLINOIS FOR THE END OF OCTOBER. HIGH TEMPERATURES CLIMBED TO 84 DEGREES AT CHICAGO AND ROCKFORD WHICH IS THE WARMEST TEMPERATURE EVER RECORDED ON HALLOWEEN FOR BOTH STATIONS.


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