Hot in Parts of the West; Cold Blast Coming to the Central U.S.

Hot to extremely hot temperatures are in place much of this week across parts of California and the interior Northwest U.S. A blast of cold air will drop across the central and eastern U.S. later this week bringing below to well below normal temperatures. Read More >

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Last Map Update: Mon, Sep 1, 2025 at 9:12:18 pm PDT

Watches, Warnings & Advisories

National Weather Service Salt Lake City, UT

National Weather Service San Joaquin Valley, CA

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National Weather Service NWS Flagstaff, AZ

National Weather Service Los Angeles, CA

Heat Advisory

Beach Hazards Statement

Flood Watch

Marine Weather Statement

Air Quality Alert

Today, then Looking Ahead

Today will be the hottest day of the forecast period, before monsoon moisture returns, bringing a return of shower and thunderstorm chances and a drop in temperatures. Chances of widespread showers and thunderstorms peak on Tuesday and Wednesday, with decreasing chances through the remainder of the week.

Hot in Parts of the West; Cold Blast Coming to the Central U.S.

NWS Forecast Office Las Vegas, NV