NORTHEAST ILLINOIS AND NORTHWEST INDIANA.
.DAY ONE...THIS AFTERNOON AND TONIGHT.
WEATHER HAZARDS EXPECTED:
THUNDERSTORMS...SOME MAY PRODUCE:
HEAVY RAINFALL...WHICH MAY CAUSE LOCALIZED FLOODING.
CLOUD TO GROUND LIGHTNING.
AND PEA SIZED HAIL.
AREAS AFFECTED AND TIMING:
THUNDERSTORM CHANCES WILL BE ON THE INCREASE LATE TONIGHT FROM
WEST TO EAST...WITH THE HIGHEST PROBABILITIES WEST OF A
ROCKFORD TO PAXTON LINE AFTER MIDNIGHT.
DISCUSSION:
A WARM FRONT AND UPPER LEVEL DISTURBANCE WILL APPROACH THE
REGION FROM THE WEST TONIGHT. SHOWERS AND THUNDERSTORMS
ARE FORECAST TO DEVELOP OVER IOWA AND NORTHERN MISSOURI THIS
AFTERNOON. THESE STORMS WILL DRIFT EAST ACROSS NORTHERN
ILLINOIS TONIGHT...POSSIBLY REACHING NORTHWEST INDIANA
BY DAYBREAK WEDNESDAY. PRIMARY THREAT FROM THUNDERSTORMS
WILL BE TORRENTIAL DOWNPOURS WHICH COULD RESULT IN
LOCALLY HEAVY RAINFALL TOTALS.
PORTIONS OF THE KANKAKEE RIVER IN NORTHWEST INDIANA AND
ILLINOIS RIVER IN LA SALLE COUNTY WILL REMAIN IN FLOOD.
.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY.
SOME THUNDERSTORMS ARE LIKELY WEDNESDAY...ESPECIALLY IN THE
MORNING. LOCALLY HEAVY RAINFALL WILL BE POSSIBLE WITH
THE STRONGER STORMS.
SOILS REMAIN NEARLY SATURATED ACROSS THE OUTLOOK AREA...
WHICH COMBINED WITH LOCALLY HEAVY RAINFALL MAY RESULT
IN LOCALIZED FLOODING.
THERE WILL LIKELY BE A PERIOD OR TWO OF THUNDERSTORMS THURSDAY
THROUGH THE WEEKEND.
PORTIONS OF THE KANKAKEE RIVER IN NORTHWEST INDIANA AND ILLINOIS
RIVER IN LA SALLE COUNTY WILL REMAIN IN FLOOD.
.SPOTTER INFORMATION STATEMENT...
SPOTTER ACTIVATION WILL NOT BE NECESSARY THROUGH TONIGHT.
&&
COMPLETE FORECAST INFORMATION IS AVAILABLE ON THE NWS CHICAGO
WEBPAGE: WEATHER.GOV/CHICAGO
