Thunderstorms in the Mid-Mississippi Valley and Florida; Fire Weather Concerns in the Northern Plains

Isolated severe storms capable of hail and gusty winds are possible mainly this evening across portions of the mid-Mississippi Valley. Clusters of thunderstorms may produce isolated flash flooding in the Florida peninsula. Elevated fire weather risk is possible in the Northern Plains into western Minnesota. Read More >

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Last Map Update: Mon, May 4, 2026 at 12:38:13 am PDT

Watches, Warnings & Advisories

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National Weather Service San Francisco Bay Area, CA

National Weather Service San Joaquin Valley, CA

There are no watches, warnings, or advisories at this time.

High Temperatures

Thunderstorms Today

High temperature forecast for the next 7 days across NorCal. Cooler temperatures today and Monday, then a warming trend begins Tuesday and continues into the weekend.

A look at the probabilities for thunderstorms today. Around 15-45% chance of t-storm development, with the highest chances in the mountains and foothills, along with portions of the northern Sacramento Valley. Primary threats will be brief heavy rain, small hail, gusty erratic winds, and lightning strikes.