Above Normal Temperatures, Strong Thunderstorms, Tropical Development Being Monitored

Well above normal temperatures are forecast to shift from the northern Plains through the Northeast U.S. over the long holiday weekend. A few strong to severe thunderstorm will be possible as well along with a potential for excessive rainfall. A tropical or subtropical depression could form off the Southeast U.S. coast over the weekend while drifting northward to northeastward. Read More >

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Last Map Update: Fri, Jul 4, 2025 at 12:06:32 am PDT

Watches, Warnings & Advisories

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National Weather Service San Joaquin Valley, CA

National Weather Service Los Angeles, CA

Gale Warning

Small Craft Advisory

Elevated Fire Weather Threat

Contra Costa NWR off air

Elevated to near critical fire weather concerns are expected today and Friday in the Diablo and Santa Cruz ranges, due to an increased risk for quickly spreading grass and brush fires stemming from breezy westerly wind gusts of 30-55 mph, afternoon humidities of 15-45%, and poor night time recoveries in higher terrain. Secure tow chains, extinguish cigarette butts, watch and store water near open flames, and avoid using equipment that creates sparks.

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Above Normal Temperatures, Strong Thunderstorms, Tropical Development Being Monitored

NWS Forecast Office San Francisco, CA