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 3:36:31 pm PDT

Watches, Warnings & Advisories

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National Weather Service San Francisco Bay Area, CA

Gale Warning

Red Flag Warning

Small Craft Advisory

Temperature Outlook

Weekend temperatures are expected to be below normal. Cold mornings and cool days will last through Saturday. A warming trend will begin Sunday through the end of the coming work week. Inland areas can expect to be at, or around, 90-95F by Wednesday through Friday next week.