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 >

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Last Map Update: Sun, Jun 22, 2025 at 11:30:09 pm MDT

Frost is possible on Monday morning. Temperatures are expected to dip into the low to mid 30s across parts of western Montana and higher valleys of north-central Idaho early Monday morning. Tips: Cover outdoor plants overnight, and move potted plants indoors if possible.

 

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