NORTHEAST ILLINOIS AND NORTHWEST INDIANA.
.DAY ONE...THIS AFTERNOON AND TONIGHT.
WEATHER HAZARDS EXPECTED:
THUNDERSTORMS...THE STRONGEST MAY PRODUCE:
WIND GUSTS TO 50 MPH.
PEA SIZE HAIL.
OCCASIONAL LIGHTNING.
AREAS AFFECTED AND TIMING:
THUNDERSTORMS ARE EXPECTED TO DEVELOP ACROSS PORTIONS OF
NORTHEASTERN ILLINOIS DURING THE EARLY AFTERNOON HOURS. THESE
STORMS ARE THEN EXPECTED TO MOVE SOUTHEASTWARD ACROSS EAST
CENTRAL ILLINOIS AND NORTHWESTERN INDIANA DURING THE AFTERNOON.
THUNDERSTORMS SHOULD EXIT THE OUTLOOK AREA TO THE SOUTHEAST
BEFORE EVENING.
DISCUSSION:
A COLD FRONT WAS PUSHING SOUTHEAST ACROSS FAR NORTHERN ILLINOIS
LATE THIS MORNING. THIS FRONT WILL CONTINUE TO MOVE SOUTHEAST
INTO EAST CENTRAL ILLINOIS AND NORTHWEST INDIANA THIS AFTERNOON.
DAYTIME HEATING...COMBINED WITH LOW LEVEL MOISTURE CONVERGENCE
AHEAD OF THE FRONT AND A WEAK MID LEVEL DISTURBANCE...WILL
LIKELY LEAD TO THE DEVELOPMENT OF ISOLATED TO SCATTERED
THUNDERSTORMS THIS AFTERNOON ALONG THE FRONTAL BOUNDARY.
THUNDERSTORMS WILL LIKELY MOVE SOUTHEAST OF THE OUTLOOK AREA BY
LATE AFTERNOON AS THE FRONT CONTINUES ITS SOUTHEASTWARD PUSH.
WHILE THERE WILL LIKELY BE SUFFICIENT INSTABILITY AND SHEAR TO
PRODUCE A FEW LOCALLY STRONG THUNDERSTORMS...WIDESPREAD SEVERE
WEATHER IS NOT ANTICIPATED.
THERE IS A MODERATE RISK FOR RIP CURRENTS FOR THE PORTER COUNTY
INDIANA SHORES THIS AFTERNOON.
THERE IS A HIGH RISK FOR RIP CURRENTS TONIGHT...FOR THE INDIANA
SHORES OF LAKE MICHIGAN.
.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY.
THERE IS A CHANCE OF THUNDERSTORMS AGAIN FRIDAY THROUGH SATURDAY.
THERE IS A HIGH RISK FOR RIP CURRENTS WEDNESDAY...FOR THE INDIANA
SHORES OF LAKE MICHIGAN.
.SPOTTER INFORMATION STATEMENT...
SPOTTER ACTIVATION WILL NOT BE NECESSARY THROUGH TONIGHT.
&&
COMPLETE FORECAST INFORMATION IS AVAILABLE ON THE NWS CHICAGO
WEBPAGE: WEATHER.GOV/CHICAGO
