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

A unique day of weather unfolded across all of eastern Iowa, northwest Illinois and far northeast Missouri. Strong low pressure developed over the Plains and quickly traversed into the Upper Mississippi River Valley, producing very strong winds and record warmth across the Midwest. All climate sites in our area set new record high temperatures, and either broke or tied all-time record December highs.
 

In addition to the warmth, severe thunderstorms occurred across the area during the evening. Winds were the primary concern, with gusts of 60-80 MPH measured from Benton county into the Quad Cities metro. Several reports of damage were also received, with numerous power outages.

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Surface Analysis: Weather Prediction Center (WPC)
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