Dangerous Heat in the Central and Eastern U.S.; Severe Thunderstorms in the Great Lakes

Thunderstorms with strong wind gusts and hail will be possible today from Michigan into the Lower Great Lakes region. A significant and dangerous heat wave will expand from the Central U.S. into the Eastern U.S this weekend through much of next week. Numerous daily record highs and warm lows are likely. Read More >

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Last Map Update: Sat, Jun 21, 2025 at 4:42:35 pm PDT

Watches, Warnings & Advisories

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National Weather Service Salt Lake City, UT

National Weather Service San Joaquin Valley, CA

National Weather Service NWS Flagstaff, AZ

Freeze Warning

Red Flag Warning

Lake Wind Advisory

Wind Advisory

Frost Advisory

Freeze Hazards Saturday Night

Frost Advisory Sunday night

Cold overnight lows have prompted Frost Advisories and Freeze Warnings in various locations across the area. Lows tonight will be around or below freezing threatening crops, outdoor plants, and pets. Take action now to protect sensitive plants and bring pets inside!