Regional Weather Summary
Issued by NWS Chicago, IL

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AWUS83 KLOT 222109
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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
409 PM CDT TUE APR 22 2014 /509 PM EDT TUE APR 22 2014/

COOL HIGH PRESSURE SPREADING OVER THE REGION RESULTED IN MOSTLY
SUNNY SKIES AND NEAR SEASONABLE TEMPERATURES ON TUESDAY.
AFTERNOON TEMPERATURES REACHED THE UPPER 50S AND LOWER 60S AWAY
FROM LAKE MICHIGAN...BUT A LAKE BREEZE PUSHED INLAND AND KEPT
LAKEFRONT AREAS IN THE MID 40S TO AROUND 50 DEGREES. THE HIGH
PRESSURE WILL BE OVERHEAD TUESDAY NIGHT...PROVIDING CLEAR SKIES
AND LIGHT WINDS. THIS WILL SET THE STAGE FOR CHILLY LOW
TEMPERATURES ONLY IN THE LOWER AND MID 30S OUTSIDE OF DOWNTOWN
CHICAGO. AREAS OF FROST COULD DEVELOP AFTER MIDNIGHT.

THE HIGH PRESSURE AREA WILL MOVE OFF TO THE CENTRAL GREAT LAKES
DURING THE DAY ON WEDNESDAY AS LOW PRESSURE APPROACHES THE AREA
FROM THE CENTRAL PLAINS. CLOUDS WILL BE ON THE INCREASE THROUGH
THE DAY...AND SHOWERS WILL BE POSSIBLE DURING THE AFTERNOON FOR
PARTS OF NORTHERN ILLINOIS. AFTERNOON HIGHS WILL PRIMARILY BE IN
THE MID AND UPPER 50S INLAND...WITH ONSHORE WINDS THROUGH THE DAY
KEEPING AREAS NEAR LAKE MICHIGAN IN THE LOWER AND MID 40S. THE
CHANCE FOR RAIN SHOWERS WILL CONTINUE WEDNESDAY NIGHT...WITH
WIDESPREAD SHOWERS AND A FEW THUNDERSTORMS ON THURSDAY AS LOW
PRESSURE AND ITS ASSOCIATED COLD FRONT TRACK ACROSS THE REGION.
HIGHS THURSDAY WILL RANGE FROM THE UPPER 50S NEAR THE WISCONSIN
BORDER TO THE UPPER 60S SOUTH OF INTERSTATE 80. FRIDAY WILL SEE
PARTLY CLOUDY SKIES AND MILD CONDITIONS TO CLOSE OUT THE WORK WEEK
AS HIGHS REACH THE UPPER 60S AND LOWER 70S.

$$

RC

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