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: Sat, May 9, 2026 at 9:55:08 am PDT

Watches, Warnings & Advisories

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National Weather Service San Francisco Bay Area, CA

National Weather Service San Joaquin Valley, CA

Heat Advisory

Small Craft Advisory

Heat Advisory

Moderate HeatRisk Returns

Forecast High Temperatures

Stay Safe in the Heat!

Cold Water Safety

A Heat Advisory goes into effect from 11 am Monday, May 11 through 8 pm Tuesday, May 12 for portions of the central Sacramento Valley and northern San Joaquin Valley.

Moderate HeatRisk is in the forecast Sunday through Tuesday as high temperatures trend well above normal.

Well above normal temperatures are expected across interior NorCal over the next several days. Hottest temperatures are anticipated on Monday and Tuesday.

With well above normal high temperatures in the forecast this weekend into early next week, take a few moments to review some of the Heat Safety tips posted!

Temperatures are on track to trend well above-normal into next week. Area waterways are running fast and cold, so if you have plans to head to the water, be sure to practice cold water safety!