National Weather Service United States Department of Commerce

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 >

Click a location below for detailed forecast.

Last Map Update: Tue, Sep 8, 2026 at 11:20:23 pm MST

Expect mostly sunny to partly cloudy skies today and Wednesday. The highest chances for showers and thunderstorms will be along the Mogollon Rim and over the mountains of far eastern Arizona. Elsewhere, slight chances.
Building high pressure will deliver a warming trend starting today and continuing on Wednesday. Warmer temperatures will hold through Thursday before cooler weather settles in over the weekend.

 

Text Product Selector (Selected product opens in current window)