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Storms, heat sweep through Midwest

Here is an eyewitness report of storms that moved across southern Minnesota and eastern Iowa last evening: "The biggest storm in a while rolled through here about 5:00 pm. Straight-line winds estimated at 85 mph or more. Seven or 8 big electric power poles broke all in a row laying wire on the edge of highway. 3.5 inches of rain, lots of water standing now. The few good looking fields of corn now are decimated with lots of ponding. We still don't have a forecast of a dry open stretch to plant in decent conditions."

Very heavy rains and severe weather were spotty across southern Minnesota, eastern Iowa, northern Illinois, Indiana and northern Ohio overnight. A possible tornado was reported near Custer, Ohio, early this morning. The storms are rapidly moving eastward across Indiana and Ohio early today. Yesterday, Springfield, Illinois, tied its record high temperature of 95. It was hot in St. Louis at 96 F.

The warm weather is helping speed germination and early vegetative growth, but cooler temperatures are on the way. Sunshine returns for today across the Midwest with near normal June temperatures as a cold front spreads eastward behind a line of severe thunderstorms. The break from precipitation will be brief, with showers and thunderstorms expected to arrive again on Friday in the western Corn Belt to the northern and central Corn Belt states on Saturday.

Some of the storms could be strong from west into south central Minnesota on Friday, and from south central Minnesota into west central Wisconsin on Saturday.

There is a chance of severe storms and heavy rainfall early Saturday across eastern Iowa and northern Illinois by Saturday night, the heavier storms develop further south and continue on Sunday and Monday across the southern corn belt into the Delta region.

A drying weather period should develop across the Corn Belt states from Monday through Thursday or Friday with more rain forecast late next week or weekend. Teleconnections such as the Madden Julian Oscillation or MJO, suggest a normal to cool weather outlook later in June and/or July for parts of the Midwest.

Freese-Notis Weather/Weather Trades, Inc. Des Moines, Iowa Copyright 2010 - All Rights Reserved

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