Regional Weather Summary
Issued by NWS Des Moines, IA

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IAZ004>007-015>017-023>028-033>039-044>050-057>062-070>075-081>086-
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WEATHER SUMMARY FOR IOWA
NATIONAL WEATHER SERVICE DES MOINES IA
1108 AM CDT TUE JUL 7 2015

IT HAS BEEN A SMOKY MORNING FOR SOME...BUT DRY MORNING FOR ALL
ACROSS THE REGION THIS MORNING. OVER 175 WILDFIRES ARE CURRENTLY
BURNING IN BRITISH COLUMBIA...CANADA. THE UPPER LEVEL WINDS HAVE
TRANSPORTED THIS SMOKE TO THE UPPER MIDWEST. A COLD FRONT PASS
SOUTHEASTWARD THROUGH IOWA INTO ILLINOIS AND MISSOURI OVERNIGHT.
BEHIND THIS FRONT...THERE HAS BEEN SINKING AIR...OR SUBSIDENCE.
THIS SUBSIDENCE HAS BROUGHT SOME OF THE SMOKE DOWN TO THE LOWER
LEVELS OF THE ATMOSPHERE WHERE IT HAS HAD ADVERSE IMPACTS TO AIR
QUALITY OVER EASTERN IOWA AND INTO WISCONSIN AND PARTS OF
ILLINOIS. AS THIS FRONT CONTINUES TO MOVE OUT OF THE REGION...THE
STRONGER SUBSIDENCE SHOULD MOVE WITH IT...MEANING THE AIR QUALITY
SHOULD GRADUALLY IMPROVE OVER IOWA.

HIGH PRESSURE HAS BEEN BUILDING ITS WAY INTO THE MIDWEST THIS
MORNING. WITH THE HIGH OVER THE DAKOTAS...COOLER...DRIER AIR HAS
BEEN BROUGHT INTO THE UPPER MIDWEST. TEMPERATURES ACROSS THE
REGION THIS MORNING WERE IN THE MID 40S TO MID 50S. THESE VALUES
ARE AROUND 10 TO 15 DEGREES BELOW NORMAL. WINDS OVERNIGHT WERE
FROM THE NORTH AT AROUND 10 TO 15 MPH.

FOR THE REST OF TODAY AND TOMORROW...EXPECT SKIES TO BE PARTLY
CLOUDY TO MOSTLY CLEAR. HIGH TEMPERATURES WILL BE VERY COOL FOR
THIS TIME OF YEAR...TOPPING OUT AROUND 15 TO 20 DEGREES BELOW
NORMAL IN THE UPPER 60S TO MID 70S. OVERNIGHT LOWS WILL BE IN THE
UPPER 40S TO MID 50S.

THE NEXT BEST CHANCES FOR MORE WIDESPREAD RAIN WILL BE THURSDAY
INTO THIS WEEKEND. WARMER...MORE HUMID AIR...WILL BE RETURNING TO
THE REGION THIS WEEKEND AS WELL. HIGHS ARE EXPECTED TO BE IN THE
80S TO 90S.

$$



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