National Weather Service United States Department of Commerce

Extreme Heat and Severe Thunderstorms Today

Extreme heat continues today from the central Plains to the lower Mississippi River Valley, over southeast Montana, and from southern California into the Southwest Deserts. Extreme Heat Warnings remain in effect. Severe thunderstorms capable of strong to severe wind gusts and large hail are possible across the Great Lakes into the Ohio Valley today into tonight. Read More >

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Last Map Update: Mon, Jul 27, 2026 at 3:10:34 pm MDT

Dry conditions are expected to persist across the Northern Rockies for the foreseeable future. With deep southwesterly flow transporting smoke from active fires in Washington and Oregon, air quality will likely remain poor, and it may get worse before it gets better. We remain locked into a synoptic setup featuring elevated fire weather conditions. Specifically hot, dry, and breezy weather. This pattern continues to stream smoke into the region, degrading air quality and reducing visibility. - Stay cool and limit outdoor exposure when smoke is thickest. - Check in on vulnerable neighbors, friends, and family, especially those without air conditioning or with respiratory ailments. - Always check the back seat for pets or children.

 

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