National Weather Service United States Department of Commerce

Dangerous Heat Continues; Monitoring Excessive Rainfall and Flash Flooding

The heat continues along and east of the Mississippi River. The most significant cumulative heat impacts are expected across the Mid-Atlantic through today and eastern Ohio Valley through Friday. Severe weather and heavy rainfall potential from the Southwest, Plains, upper Midwest, Great Lakes, mid-Atlantic and Northeast the next couple of days. A disturbance near the Marianas may bring flooding. Read More >

Overview

Showers and thunderstorms developed early Thursday morning, ahead of a cold front that pushed east into central Iowa. Some of these storms produced damaging winds over 70 mph across Benton, Linn, Buchanan, and Delware counties in Iowa. Golf ball sized hail also fell west of Millersburg in Iowa county just before 5 am. Torrential rains also accompanied the storms, as they quickly rolled through the area. Rain amounts between a inch and one and a half inches were common for those that saw the storms. Elsewhere, rain amounts were between a trace to a tenth of an inch.

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