NORTHEAST ILLINOIS AND NORTHWEST INDIANA.
.DAY ONE...THIS AFTERNOON AND TONIGHT.
WEATHER HAZARDS EXPECTED:
HEAVY DOWNPOURS...WHICH MAY LEAD TO LOCALIZED FLOODING.
CLOUD TO GROUND LIGHTNING.
PEA SIZED HAIL.
WIND GUSTS IN EXCESS OF 35 MPH.
AREAS AFFECTED AND TIMING:
NORTHERN ILLINOIS AND NORTHWESTERN INDIANA GENERALLY SOUTH OF A
ROCKFORD ILLINOIS TO RENSSELAER INDIANA LINE THIS AFTERNOON AND
TONIGHT.
DISCUSSION:
AS A MID LEVEL DISTURBANCE MOVES ACROSS THE REGION TODAY...IT
WILL ENCOUNTER A STATIONARY BOUNDARY DRAPED ACROSS THE REGION.
MODERATE INSTABILITY IN PLACE MAY LEAD TO A FEW THUNDERSTORMS
THIS AFTERNOON AND EARLY EVENING. ALTHOUGH THE THREAT FOR AN
ISOLATED THUNDERSTORM TO PRODUCE DAMAGING WIND GUSTS OR LARGER
HAIL IS THERE...THE OVERALL COVERAGE OF THIS THREAT REMAINS LOW.
RENEWED CHANCES FOR THUNDERSTORMS WILL OCCUR LATER TONIGHT AS
YET ANOTHER MID LEVEL DISTURBANCE MOVES 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...SUNDAY THROUGH FRIDAY.
THERE WILL BE PERIODIC CHANCES FOR SHOWERS AND THUNDERSTORMS
THROUGH THE WEEKEND AND INTO THE MIDDLE OF NEXT WEEK...WITH THE
POSSIBILITY OF SEVERE WEATHER INTO TUESDAY.
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...
SPOTTER ACTIVATION WILL NOT BE NECESSARY.
&&
COMPLETE FORECAST INFORMATION IS AVAILABLE ON THE NWS CHICAGO
WEBPAGE: WEATHER.GOV/CHICAGO
