National Weather Service United States Department of Commerce

Excessive Heat in the Interior West; Monsoon Conditions in the Southwest

Dangerous heat is expected to be in place across portions of California, especially the Central Valley, and across the Interior Northwest into Friday. Heat Advisories will also be in place across the southern Plains into the Lower Mississippi River Valley. Monsoonal showers and thunderstorms may result in flash flooding and debris flows from the Four Corners region and Southwest through Friday. Read More >

Click a location below for detailed forecast.

Last Map Update: Tue, Aug. 16, 2022 at 3:54:40 am MST

National Weather Service Elko, NVNational Weather Service Salt Lake City, UTNational Weather Service Grand Junction, CO
National Weather Service Las Vegas, NVZoom

National Weather Service Albuquerque, NM
National Weather Service San Diego, CANational Weather Service NWS PhoenixNational Weather Service NWS Tucson Arizona

Showers and thunderstorms will continue through the work week with the greatest coverage of showers and thunderstorms arriving Thursday onward. There will be an enhanced flash flood risk, so be sure to check back for updates to the forecast.


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