Heat Wave in the Eastern US; Heavy Rain in the Ohio Valley

Dangerous, long-lasting heat is expected across portions of the Central and Southeast U.S. Showers and thunderstorms, some severe, may produce heavy rain and localized areas of flash flooding across parts of the Ohio/Tennessee Valleys into the Appalachians. Severe thunderstorms are possible across parts of the northern Great Plains. Fire weather conditions possible in the Great Basin. Read More >

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Last Map Update: Sun, Jul 20, 2025 at 8:16:31 pm PDT

Watches, Warnings & Advisories

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National Weather Service Salt Lake City, UT

National Weather Service San Joaquin Valley, CA

National Weather Service NWS Flagstaff, AZ

Red Flag Warning

Lake Wind Advisory

Elevated Fire Weather Conditions

Red Flag Warning

There is an elevated risk of wildfires in most of Northern and Central Nevada from 11 AM PDT this morning until 10 PM PDT this evening. The combination of critically dry fuels, very low relative humidity values, and gusty southwest winds can contribute to extreme fire behavior. Any fires that develop will likely spread rapidly. Outdoor burning is not recommended.

A Red Flag Warning is in effect for most of Northern and Central Nevada from 11 AM PDT Monday morning until 10 PM PDT Monday evening. The combination of critically dry fuels, very low relative humidity values, and strong, gusty southwest winds can contribute to extreme fire behavior. Any fires that develop will likely spread rapidly. Outdoor burning is not recommended.

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Heat Wave in the Eastern US; Heavy Rain in the Ohio Valley

NWS Forecast Office Elko, NV