National Weather Service United States Department of Commerce

Dangerous Heat in the Central and Eastern U.S.; Severe Thunderstorms in the Plains to the Upper Midwest

A significant and dangerous heat wave will expand from the Central U.S. into the Eastern U.S and linger through much of the work week. Numerous daily record highs and warm lows are likely. Severe thunderstorms are possible from the southern Plains through the Upper Mississippi Valley. Fire weather concerns are expected to persist across the Four Corners region. Read More >

Overview

Numerous showers and thunderstorms tracked across eastern Iowa, northwest Illinois, and northeast Missouri during the afternoon and evening of Tuesday, August 28.  Very heavy rain, frequent lightning, damaging winds, and a tornado were reported with these storms.  A tornado touched down along the Scott/Clinton county border near Donahue, IA or south of Grand Mound, IA causing damage to trees, crops, and a home.  Winds between 50 and 90 mph caused several downed power lines, power outages, and tree damage.  Rainfall totals between 2 and 4 inches were common along and south of I-80.

Additional Information


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WPC Surface Fronts/Pressure Loop
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