NORTHEAST ILLINOIS AND NORTHWEST INDIANA.
.DAY ONE...THIS AFTERNOON AND TONIGHT.
WEATHER HAZARDS EXPECTED:
HEAVY RAINFALL...WHICH MAY LEAD TO LOCALIZED FLOODING
CLOUD TO GROUND LIGHTNING
MARBLE SIZED HAIL
DAMAGING WIND GUSTS IN EXCESS OF 60 MPH.
AREAS AFFECTED AND TIMING:
NORTHEAST ILLINOIS AND NORTHWEST INDIANA ALONG AND SOUTH OF A
ROCKFORD ILLINOIS TO RENSSELAER INDIANA LINE THIS
AFTERNOON...AND ALL OF THE OUTLOOK AREA LATE THIS EVENING INTO
THE EARLY MORNING HOURS.
DISCUSSION:
A WARM FRONT WILL LIFT THROUGH THE OUTLOOK AREA LATE THIS
AFTERNOON AND INTO THE EARLY MORNING HOURS ON SATURDAY AS AN
UPPER LEVEL DISTURBANCE MOVES ACROSS THE MIDWEST. THIS WILL
ALLOW THUNDERSTORMS TO DEVELOP AND LIKELY FORM A CLUSTER OF
THUNDERSTORMS WHICH WILL MOVE ALONG THE FRONT EAST THROUGH THE
AREA.
PORTIONS OF THE KANKAKEE RIVER IN NORTHWEST INDIANA AND THE
ILLINOIS RIVER IN LA SALLE COUNTY WILL REMAIN IN FLOOD.
.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY.
THERE WILL BE PERIODIC CHANCES FOR SHOWERS AND THUNDERSTORMS
THROUGH THE WEEKEND AND INTO THE MIDDLE OF NEXT WEEK.
PORTIONS OF THE KANKAKEE RIVER IN NORTHWEST INDIANA AND THE
ILLINOIS RIVER IN LA SALLE COUNTY WILL REMAIN IN FLOOD. IN
ADDITION...THE POTENTIAL FOR HEAVY RAINFALL OVER THE NEXT SEVERAL
DAYS MAY RESULT IN FURTHER INCREASES IN STREAM FLOWS AND MAY
INCREASE THE POSSIBILITY OF FLOODING ALONG OTHER AREA RIVERS.
.SPOTTER INFORMATION STATEMENT...
SPOTTERS MAY BE NEEDED LATE THIS AFTERNOON AND THROUGH THE
NIGHT TONIGHT.
&&
COMPLETE FORECAST INFORMATION IS AVAILABLE ON THE NWS CHICAGO
WEBPAGE: WEATHER.GOV/CHICAGO
