Regional Weather Summary
Issued by NWS Chicago, IL

Home | Current Version | Previous Version | Text Only | Print | Product List | Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33
000
AWUS83 KLOT 181433
RWSLOT
ILZ003>006-008-010>014-019>023-032-033-039-INZ001-002-010-011-019-
182245-

WEATHER SUMMARY FOR NORTHERN ILLINOIS AND NORTHWEST INDIANA
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
933 AM CDT SAT APR 18 2015

A LAKE ENHANCED COLD FRONT BOUNDARY WAS SINKING SOUTH SATURDAY
MORNING...WITH GUSTY NORTHEAST WINDS AND COOLER TEMPERATURES
BEHIND THE BOUNDARY. TEMPERATURES AS OF 9 AM WERE IN THE LOWER TO
MID 50S IN LAKE COUNTY ILLINOIS AND NORTHEASTERN COOK COUNTY...AND
IN THE LOWER TO UPPER 60S ELSEWHERE. THIS WAS OCCURRING DUE TO
HIGH PRESSURE NOSING IN FROM NORTH OF LAKE SUPERIOR. TEMPERATURES
WILL REMAIN IN THE 50S NEAR THE LAKE THE REST OF THE DAY...WHILE
REACHING THE 70S WELL INLAND AND RECOVERING BACK TO THE 60S FOR
INLAND AREAS CLOSER TO LAKE MICHIGAN. SKIES WILL BE MOSTLY TO
PARTLY SUNNY. LOW PRESSURE WILL DEVELOP OVER THE LOWER MISSISSIPPI
VALLEY TONIGHT AND TRACK NORTHWARD...RESULTING IN SKIES BECOMING
MOSTLY CLOUDY. LOW TEMPERATURES WILL RANGE FROM THE MID TO UPPER
40S TO THE MID 50S...COOLEST NEAR THE FAR NORTHEAST ILLINOIS
SHORE.

THE LOW PRESSURE WILL TRACK INTO NORTHERN INDIANA ON
SUNDAY...BRINGING PERIODS OF RAIN SHOWERS AND A SLIGHT CHANCE FOR
THUNDERSTORMS. THE HEAVIEST RAIN IS EXPECTED TO FALL ACROSS
EASTERN ILLINOIS AND NORTHWEST INDIANA. HIGH TEMPERATURES WILL BE
COOLER IN THE LOWER TO MID 60S...WITH LOWER 50S ALONG THE
ILLINOIS SHORE. BEHIND THE LOW PRESSURE SYSTEM ON MONDAY..HIGHS
WILL ONLY REACH THE MID TO UPPER 50S AREA WIDE ALONG WITH A CHANCE
FOR RAIN SHOWERS. THE REST OF THE NEXT WORK WEEK WILL BE COOLER
THAN AVERAGE...WITH PERIODIC LOW CHANCES FOR LIGHT RAIN.

$$

RC



USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.