NORTHEAST ILLINOIS AND NORTHWEST INDIANA.
.DAY ONE...TODAY AND TONIGHT.
WEATHER HAZARDS EXPECTED:
INTENSE HEAT.
CHANCE OF THUNDERSTORMS...POSSIBLY SEVERE WITH:
DAMAGING WINDS OVER 60 MPH.
HAIL TO THE SIZE OF HALF DOLLARS.
FREQUENT LIGHTNING.
AND HEAVY RAIN.
AREAS AFFECTED AND TIMING:
INTENSE HEAT IS EXPECTED THIS AFTERNOON AWAY FROM LAKE MICHIGAN.
THERE IS A CHANCE OF THUNDERSTORM TODAY AND TONIGHT...HOWEVER IT
APPEARS THAT THE GREATEST THREAT OF STORMS AND SEVERE WEATHER
WILL BE THIS AFTERNOON AND EVENING WEST OF A HARVARD ILLINOIS TO
FOWLER INDIANA LINE.
DISCUSSION:
A WEAK COOL FRONT WILL MOVE SOUTHWEST OFF OF LAKE MICHIGAN THIS
MORNING STALLING OUT THIS AFTERNOON FROM NORTH CENTRAL ILLINOIS
SOUTHEAST TO NORTHWEST INDIANA. WHILE THE CHANCE OF
THUNDERSTORMS ALONG THIS FRONT IS NOT PARTICULARLY
HIGH...SHOULD THEY OCCUR THEN THE POTENTIAL WOULD EXIST FOR
EXPLOSIVE SEVERE THUNDERSTORM DEVELOPMENT THIS AFTERNOON AND
EVENING. DAMAGING WINDS AND LARGE HAIL WOULD BE THE PRIMARY
SEVERE THREATS.
IT WILL BE VERY HOT AND HUMID ALONG AND AHEAD OF THE FRONT WITH
HEAT INDEX READINGS ONCE AGAIN CLIMBING ABOVE 105 DEGREES.
.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY.
INTENSE HEAT WILL CONTINUE WEDNESDAY AND THURSDAY WITH HEAT
INDEX READINGS OF 105 TO POSSIBLY AS HIGH AS 115 LIKELY BOTH
AFTERNOONS.
A PERIOD OR TWO OF THUNDERSTORMS COULD OCCUR FRIDAY THROUGH THE
THE WEEKEND.
.SPOTTER INFORMATION STATEMENT...
SPOTTERS MAY BE NEEDED THIS AFTERNOON AND EVENING.
&&
COMPLETE FORECAST INFORMATION IS AVAILABLE ON THE NWS CHICAGO
WEBPAGE: WEATHER.GOV/CHICAGO
