National Weather Service United States Department of Commerce

Severe Thunderstorms and Heavy Rainfall for the Southwest; Heat Spreads Across the Center of the Nation

Moisture will continue to move into areas of the West. This will increase showers and thunderstorms coverage and intensity, with the risk of flash flooding and damaging wind gusts. Meanwhile, heat across the Southwest will expand into the center of the nation this weekend into early next week. Trends favor this heat will spread across the Ohio Valley, mid-Atlantic next week. Read More >

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Last Map Update: Sun, Aug 30, 2026 at 8:40:34 am MST

Expect scattered to widespread chances for showers/thunderstorms today, and activity looks to continue overnight as well. Storms will be capable of producing heavy rain, hail, frequent lightning, and gusty/erratic winds. Be sure to have a way to receive warnings.
There is an increasing threat of heavy rainfall Sunday through Monday as an approaching trough interacts with deep monsoon moisture. Storms producing heavy rainfall and flash flooding will be possible, including the overnight period.

 

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