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

A line of thunderstorms moved east across the area during the early morning hours of Sunday, August 18. Small hail and downed trees were seen in the Cedar Rapids area and in Cedar county. A brief spin-up tornado occurred near Grand Mound, IA around 5:30 am as the storms rolled through the region.

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