Areas of Severe Thunderstorms, Critical Fire Weather, and HeatRisk for Monday

Isolated severe thunderstorms with locally damaging wind gusts and hail are possible Monday across parts of the Southeast U.S. Elevated to critical fire weather including gusty winds and low relative humidity is forecast Monday over much of the northern Great Plains. Above normal temperatures in the Southeast and Southwest U.S. will bring moderate to isolated major HeatRisk Monday. Read More >

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Last Map Update: Sun, May 10, 2026 at 10:28:31 pm 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 Today-Tuesday

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 today 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!