Regional Weather Summary
Issued by NWS Chicago, IL

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AWUS83 KLOT 101552
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ILZ003>006-008-010>014-019>023-032-033-039-INZ001-002-010-011-019-
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WEATHER SUMMARY FOR NORTHERN ILLINOIS AND NORTHWEST INDIANA
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1052 AM CDT WED SEP 10 2014 /1152 AM EDT WED SEP 10 2014/

A STRONG AREA OF LOW PRESSURE BROUGHT MODERATE TO HEAVY RAINFALL
AND A FEW EMBEDDED THUNDERSTORMS INTO WEDNESDAY MORNING...WITH THE
HIGHEST AMOUNTS BETWEEN THREE AND THREE AND A HALF INCHES IN
NORTHERN LA SALLE COUNTY. THE AREA OF STEADY RAIN OVER NORTHEAST
ILLINOIS AND NORTHWEST INDIANA AS OF MID MORNING SLID EAST BY LATE
MORNING...THOUGH SCATTERED SHOWERS AND A FEW STORMS DEVELOPED
MAINLY INTO EASTERN ILLINOIS AND PORTIONS OF NORTHWEST INDIANA
DURING THE LATE MORNING. ADDITIONAL SHOWERS AND SCATTERED STORMS
ARE EXPECTED AHEAD OF A COLD FRONT EARLY TO MID THIS
AFTERNOON...MAINLY EAST OF INTERSTATE 55. SOUTH SOUTHWEST WINDS
GUSTING UP TO 25 TO 35 MPH AHEAD OF THE FRONT WILL SHIFT WEST
NORTHWEST LATE THIS AFTERNOON INTO EARLY THIS EVENING AND
DIMINISH. HIGH TEMPERATURES WILL REACH THE MID AND UPPER 70S.

AN UNSEASONABLY COOL AIR MASS WILL POUR INTO THE REGION TONIGHT
BEHIND THE FRONT AS EXPANSIVE CANADIAN HIGH PRESSURE DROPS INTO
THE NORTHERN PLAINS AND BEGINS TO SPREAD SOUTHEAST. LOWS BY EARLY
THURSDAY WILL RANGE FROM THE UPPER 40S TO MID 50S...COOLEST WEST
OF THE FOX RIVER VALLEY. THE BIG STORY THROUGH THE WEEKEND INTO
EARLY NEXT WORK WEEK WILL BE THE OCTOBER LIKE TEMPERATURES.
THURSDAY WILL BE DRY...BUT EXPECT HIGHS ONLY AROUND 60 NEAR THE
WISCONSIN BORDER TO THE MID 60S IN CENTRAL ILLINOIS AND INDIANA
SOUTH OF THE KANKAKEE RIVER. AN UPPER LEVEL DISTURBANCE AND
REINFORCING SHOT OF COOL AIR WILL BRING PERIODIC RAIN SHOWERS
FRIDAY AND FRIDAY NIGHT. HIGHS WILL ONLY RANGE FROM THE MID 50S TO
THE MID 60S. SATURDAY WILL BE IN THE LOWER 60S...ONLY MODERATING
SLIGHTLY TO THE MID AND UPPER 60S ON SUNDAY AND MONDAY.

$$

RC

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