Argo Weather - Special Cases

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTH CENTRAL
ILLINOIS...NORTHEAST ILLINOIS AND NORTHWEST INDIANA.

.DAY ONE...TONIGHT.

WEATHER HAZARDS EXPECTED:

THUNDERSTORMS.
LOCALLY STRONG WINDS TO 60 MPH.
SMALL HAIL.

AREAS AFFECTED AND TIMING:

ALL OF THE OUTLOOK AREA. STORMS ARE MOST LIKELY TO DEVELOP
OVERNIGHT.

DISCUSSION:

A COLD FRONT DROPPING DOWN THROUGH SOUTHERN MINNESOTA AND EASTERN
IOWA WILL MOVE THROUGH THE REGION OVERNIGHT. SHOWERS AND
THUNDERSTORMS ARE EXPECTED TO DEVELOP OUT AHEAD OF THIS FRONT AND
MOVE THROUGH OVERNIGHT. ANY STORMS THAT DO DEVELOP WILL LIKELY NOT
BE SEVERE...BUT A FEW COULD BRIEFLY BECOME MARGINALLY SEVERE WITH
STRONG WINDS AND SMALL HAIL POSSIBLE.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY.

THUNDERSTORMS ARE POSSIBLE ON SUNDAY WHICH MAY BECOME SEVERE WITH
THE BEST CHANCES MAINLY ALONG AND SOUTH OF INTERSTATE 80 IN THE
FORM OF A MESOSCALE CONVECTIVE SYSTEM. THERE IS ALSO A CHANCE FOR
THUNDERSTORMS TUESDAY NIGHT INTO VERY EARLY THURSDAY MORNING.

.SPOTTER INFORMATION STATEMENT...

SPOTTERS MAY BE NEEDED TONIGHT.

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COMPLETE FORECAST INFORMATION IS AVAILABLE ON THE NWS CHICAGO
WEBPAGE: WEATHER.GOV/CHICAGO