National Weather Service United States Department of Commerce

Hot Temperatures in the West; Heavy Rainfall and Flooding Potential in the Southwest

Hot to extremely hot temperatures are in place across coastal southern California again today and the interior Northwest U.S into Thursday, with the Pacific Northwest carrying the potential for record-breaking high temperatures. A combination of monsoonal moisture and tropical moisture ahead of tropical cyclone Lorena will bring heavy rainfall and the potential for flooding through the week. Read More >

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Last Map Update: Wed, Sep 3, 2025 at 9:54:18 am CDT

Following the previous few days of near or below normal temperatures, summertime heat with highs in the mid or upper 90s will return for the end of the workweek.
A cold front and incoming tropical moisture will bring increasing chances for showers and storms this upcoming weekend. The highest rain chances are on Sunday, and scattered showers and storms may linger into early next week. The cold front will be capable of holding highs in the 70s and 80s for a few days.
Did you notice how tolerable the August heat was this year? Take a look at how August 2025 high temperatures matched up against normal August high temperatures!

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