National Weather Service United States Department of Commerce

Severe Weather and Flooding Threats for the Central U.S.; Dangerous Heat in the Southern and Western U.S.

Severe weather and flooding threats will continue for portions of the central U.S. over the next couple of days, with multiple rounds of thunderstorms expected. Dangerous heat will persist across the southern and western U.S. through mid-week. Hot and dry conditions will fuel fire weather concerns for the Intermountain West, where dry thunderstorms may spark additional wildfires. Read More >

Click a location below for detailed forecast.

Last Map Update: Tue, Jun 23, 2026 at 3:28:32 pm MST

Windy and dry conditions are expected by Friday and the weekend, resulting in critical fire weather. Winds could gust from 35 to 55 mph, with afternoon humidity of 6-15%.
Hot temperatures continue through much of the week, along with increasing chances for showers and thunderstorms over the higher terrain. Drier and windier conditions return by the weekend, with critical fire weather conditions expected.
An Extreme Heat Warning is in effect through 7 PM MST Tuesday in the Grand Canyon below 4000 feet. Daytime temperatures as high as 101 at Havasupai Gardens and 112 at Phantom Ranch.

 

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