Hot Weather in the West; Heavy Rainfall and Flooding in the Southwest

Hot to extremely hot temperatures are in place much of this week across parts of California and the interior Northwest U.S, with the Pacific Northwest carrying the potential for record-breaking high temperatures. Monsoonal moisture over the Southwest U.S. may lead to heavy rainfall and instances of flash flooding through Wednesday. Read More >

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Last Map Update: Tue, Sep 2, 2025 at 9:50:54 am PDT

Watches, Warnings & Advisories

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National Weather Service San Francisco Bay Area, CA

Red Flag Warning

Small Craft Advisory

Air Quality Alert

Red Flag Warning

A Red Flag Warning has been issued for portions of Trinity, Humboldt, and Del Norte Counties for isolated dry thunderstorms Tuesday afternoon and evening. New fire starts are possible and may spread quickly with gusty and erratic outflow winds. Outside these areas, fire danger remains high for much of the interior as conditions are forecast to be hot, dry, and breezy.