Excessive Heat for the East; Excessive Rainfall for the Southwest; Severe Weather for the Center of the Nation

Extreme HeatRisk impacts will expand from the Midwest into the Mid-Atlantic and Northeast today. This level of HeatRisk is known for being rare and/or long duration with little to no overnight relief, and affects anyone without effective cooling and/or adequate hydration. Severe weather potential continues from the Great Lakes to the Central Plains today. Heavy rainfall for Southwest on Tuesday. Read More >

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Last Map Update: Mon, Jun 23, 2025 at 3:30:11 pm PDT

Watches, Warnings & Advisories

National Weather Service San Francisco Bay Area, CA

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National Weather Service Los Angeles, CA

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

Sierra T'Storms Possible Monday

Cold Rivers and Streams Will Be Swift

There is a 10-20 percent chance of afternoon and evening thunderstorms in the Sierra Nevada from Yosemite NP to Fresno County. Dangerous lightning, brief heavy rain, gusty erratic winds, and small hail are all possible with any thunderstorms. Take shelter immediately if thunder is heard. When thunder roars, go indoors!

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Excessive Heat for the East; Excessive Rainfall for the Southwest; Severe Weather for the Center of the Nation

NWS Forecast Office Hanford, CA