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Mercury rising this week

Through yesterday, the month of July is off to a cool start with most of the Corn Belt anywhere from 3 to 8 degrees below average for the first four days of July.

St. Louis, Missouri, is 8 degrees below average for one of the highest departures from normal. Both Chicago and Kansas City are 7 degrees below average. Indianapolis is 5.4 degrees below average so far this month, and Omaha and Des Moines are 4.5 and 4.2 degrees cooler than normal, respectively. Last year around this time, the Midwest was dealing with triple-digit heat with most places 100 degrees or higher on July 4, 2012, including 105 at St. Louis, 102 in Chicago and Indianapolis, 101 in Des Moines, and an even 100 degrees for Omaha.

Yesterday was a more typical 4th of July in the western Corn Belt as highs warmed into the mid- to upper-80s but cooler than normal in the eastern Corn Belt with highs mostly from 75 to 80 degrees. Indianapolis was 77 yesterday, 25 degrees cooler than last year on the 4th of July.

The cool departures so far this month will start to diminish some over the next four to five days as warmer air moves into the region. Highs will be mostly in the 80s, but some places in the west will top 90 degrees today through the weekend and in the far southern Corn Belt early next week. Much of the Midwest will be dry through the weekend with widely scattered showers in the northwest and southeast corners of the region then more widespread showers and thunderstorms for the Midwest early to mid- next week.

Freese-Notis Weather/Weather Trades, Inc. Des Moines, Iowa Copyright 2012 - All Rights Reserved

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