National Weather Service United States Department of Commerce

Dangerous Heat in the Western U.S.; Heavy Rain and Flooding Potential in the Southern Rockies and Southwest

Widespread high temperatures in the 90s with heat indices exceeding 100 degrees will persist across the western U.S. this weekend into the week. There are fire weather concerns in the Pacific Northwest and the Great Basin. Monsoon conditions continue to linger across the Southern Rockies and Southwest posing a heavy rainfall threat which may lead to additional flash flooding concerns. Read More >

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The Experimental Graphical Hazardous Weather Outlook is an experimental product that will be posted to this page for evaluation. It is a decision support service that supports preparedness and response efforts prior to and during hazardous weather. This service provides decision makers with convenient access to potential weather hazard information by graphically depicting the risk of weather hazards out through seven days.

Product Description Document

If you have questions about this product, please contact:

Aaron Treadway
NWS Severe Weather Services Manager (acting)
aaron.treadway@noaa.gov