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 >

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Last Map Update: Tue, Sep 8, 2026 at 11:26:27 pm PDT

There are no watches, warnings, or advisories at this time.

Northern sheltered valleys in Washington and sheltered valleys in the ID Panhandle have a chance at fog bringing visibilities down Wednesday morning through 9am PDT. Some specific cities that could be impacted are: Colville, Deer Park, Spokane, Newport, and Sandpoint. If you encounter fog on your morning commute, please slow down and use your low beams. Stay safe.
Winds will increase out of the west to southwest Thursday afternoon. Gusts 25-40 mph will result in stronger crosswinds on north to south highways, reduced visibility from blowing dust, and choppy lakes.

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