NORTHEAST ILLINOIS AND NORTHWEST INDIANA.
.DAY ONE...THIS AFTERNOON AND TONIGHT.
WEATHER HAZARDS EXPECTED:
* WIND GUSTS TO 40 MPH
* PEA SIZED HAIL
* OCCASIONAL LIGHTNING
* HEAVY DOWNPOURS/EXCESSIVE RAINFALL
AREAS AFFECTED AND TIMING:
* THUNDERSTORMS ARE EXPECTED OVERNIGHT ACROSS NORTHERN ILLINOIS
AND NORTHWESTERN INDIANA. THESE STORMS WILL MOVE ACROSS THE
MISSISSIPPI RIVER THIS EVENING...REACHING THE ROCKFORD AREA BY
LATE EVENING AND SPREADING EAST TO THE CHICAGO METRO AREA BY
AROUND MIDNIGHT. THUNDERSTORMS SHOULD MOVE INT0 NORTHWESTERN
INDIANA AND EAST-CENTRAL ILLINOIS DURING THE EARLY MORNING
HOURS.
DISCUSSION:
* AN UPPER LEVEL DISTURBANCE WILL MOVE THROUGH THE REGION
OVERNIGHT. INSTABILITY IS EXPECTED TO INCREASE ACROSS THE
PLAINS AND SHIFT EAST...ACROSS WESTERN ILLINOIS LATER TODAY.
WHILE THERE WILL LIKELY BE SUFFICIENT INSTABILITY AND SHEAR TO
PRODUCE A FEW LOCALLY STRONG THUNDERSTORMS...WIDESPREAD
SEVERE WEATHER IS NOT ANTICIPATED.
.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY.
THUNDERSTORMS ARE AGAIN POSSIBLE SATURDAY AFTERNOON ACROSS
NORTHERN ILLINOIS AND NORTHWESTERN INDIANA. THERE IS A CHANCE
THAT SOME OF THESE STORMS MAY BECOME SEVERE.
THERE IS AN INCREASED RISK FOR RIP CURRENTS ALONG THE INDIANA
SHORE OF LAKE MICHIGAN SUNDAY MORNING. THERE IS THEN AN INCREASED
RISK FOR RIP CURRENTS ALONG THE ILLINOIS AND INDIANA SHORES
SUNDAY AFTERNOON THROUGH MONDAY MORNING.
THERE WILL BE PERIODIC CHANCES FOR THUNDERSTORMS TUESDAY THROUGH
THURSDAY.
.SPOTTER INFORMATION STATEMENT...
SPOTTER ACTIVATION MAY BE NECESSARY LATE TONIGHT FOR NORTHWESTERN
ILLINOIS.
&&
COMPLETE FORECAST INFORMATION IS AVAILABLE ON THE NWS CHICAGO
WEBPAGE: WEATHER.GOV/CHICAGO
