Regional Weather Summary
Issued by NWS Chicago, IL

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WEATHER SUMMARY FOR NORTHERN ILLINOIS AND NORTHWEST INDIANA
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
657 AM CDT THU JUL 24 2014 /757 AM EDT THU JUL 24 2014/

HIGH PRESSURE IS OVER THE WESTERN GREAT LAKES TODAY. CLEAR SKIES
AND LIGHT WINDS RESULTED IN CHILLY LOWS IN THE LOWER AND MID
50S...EXCEPT AROUND 60 IN DOWNTOWN CHICAGO. AFTERNOON TEMPERATURES
WILL REACH THE MID AND UPPER 70S AWAY FROM LAKE MICHIGAN AND UPPER
60S AND LOW 70S ALONG THE LAKEFRONT UNDER CONTINUED SUNNY SKIES.
NORTHEAST WINDS WILL INCREASE A BIT ONTO AREAS NEAR THE LAKE THIS
AFTERNOON AS A LAKE BREEZE DEVELOPS. CLOUDS WILL GRADUALLY
INCREASE TONIGHT AFTER A CLEAR START...WITH LOWS PRIMARILY IN THE
MID 50S AWAY FROM CHICAGO AND LOW 60S IN THE CITY.

SOMEWHAT UNSETTLED WEATHER WILL RETURN ON FRIDAY AS A LOW
PRESSURE SYSTEM OVER THE CENTRAL PLAINS MOVES EAST. THERE IS A
CHANCE FOR SHOWERS AND POSSIBLY A FEW THUNDERSTORMS MOVING IN FROM
THE WEST. DESPITE SOUTHERLY WINDS...CLOUDS WILL LIMIT HIGHS TO THE
MID AND UPPER 70S. MORE WIDESPREAD COVERAGE OF SHOWERS AND STORMS
IS POSSIBLE FRIDAY EVENING AND NIGHT. WARMER AND MORE HUMID
CONDITIONS WILL RETURN OVER THE WEEKEND...WITH CONTINUED PERIODIC
CHANCES FOR THUNDERSTORMS. HIGHS WILL BE IN THE LOWER AND MID 80S
ON SATURDAY AND LOW 80S ON SUNDAY. A DEEP UPPER LEVEL LOW PRESSURE
SYSTEM NORTH OF THE GREAT LAKES WILL RESULT IN UNSEASONABLY COOL
CONDITIONS EARLY NEXT WEEK...THOUGH SURFACE HIGH PRESSURE WILL
PROVIDE DRY CONDITIONS.

$$

RC

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