Regional Weather Summary
Issued by NWS Chicago, IL

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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
639 AM CDT THU JUL 17 2014 /739 AM EDT THU JUL 17 2014/

EXPANSIVE HIGH PRESSURE IS CENTERED OVER NORTHERN INDIANA THIS
MORNING...RESULTING IN QUIET WEATHER CONDITIONS...WITH CLEAR TO
PARTLY CLOUDY SKIES AND CALM WINDS. TEMPERATURES AS OF 6 AM RANGED
FROM CHILLY MID 40S IN PORTIONS OF NORTHWEST INDIANA TO AROUND 60
IN CHICAGO. FAIR WEATHER CUMULUS CLOUDS WILL DEVELOP THIS
AFTERNOON AS TEMPERATURES REACH THE UPPER 70S FOR MOST INLAND
LOCATIONS. A LAKE BREEZE WILL KEEP AREAS NEAR LAKE MICHIGAN IN THE
LOWER AND MID 70S. SKIES WILL CLEAR TONIGHT...WITH LOWS BY EARLY
FRIDAY IN THE MID AND UPPER 50S FOR RURAL AND SUBURBAN AREAS AND
LOWER 60S IN CHICAGO.

HIGH PRESSURE WILL REMAIN ANCHORED TO OUR EAST THROUGH THE
WEEKEND...KEEPING THE WEATHER DRY. SOUTHEASTERLY WINDS WILL
CONTRIBUTE TO A GRADUAL WARMING TREND FROM AROUND 80 ON FRIDAY TO
THE LOW 80S ON SATURDAY AND THE MID 80S ON SUNDAY. THE PRESSURE
GRADIENT WILL REMAIN WEAK ENOUGH TO ENABLE A LAKE BREEZE TO PUSH
INLAND EACH DAY...KEEPING LAKEFRONT LOCATIONS SEVERAL DEGREES
COOLER...ESPECIALLY ALONG THE ILLINOIS SHORE. THE AIR MASS WILL
ALSO GRADUALLY BECOME MORE HUMID. VERY WARM AND HUMID CONDITIONS
ARE IN STORE EARLY TO MID NEXT WEEK...WITH THE NEXT CHANCE FOR
SHOWERS AND THUNDERSTORMS NOT UNTIL TUESDAY NIGHT AND WEDNESDAY.

$$

RC

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