Heat Persists in the South Central U.S. and Southwest; Heavy rains in the Desert Southwest and Central Plains

Sweltering heat remains across the South-Central Plains, Lower/Middle Mississippi Valley, and the Southwest this week with limited nighttime relief. Thunderstorms will bring heavy rainfall leading to localized flash flooding in portions of the Desert Southwest and central Plains. Isolated strong to severe thunderstorms are possible across portions of the central Plains into the Northeast. Read More >

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Last Map Update: Wed, Sep 9, 2026 at 4:18:21 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

Extreme Heat Warning

Heat Advisory

Beach Hazards Statement

Fire Weather Watch

Extreme Heat Warning

Today's Weather

Temperatures will continue to climb through the week, peaking on Thursday, with afternoon highs within 3 degrees of daily records. Late-season heat can be dangerous, as your body is exhausted from fighting heat all summer. Remember to hydrate and save recreation to the cooler parts of the day on Thursday!

Heat Persists in the South Central U.S. and Southwest; Heavy rains in the Desert Southwest and Central Plains

NWS Forecast Office Las Vegas, NV