National Weather Service United States Department of Commerce

Severe Weather and Heavy Rain from the Mid-South to the Mid-Atlantic; Building Heat in the West

Severe thunderstorms may bring damaging winds, a couple of tornadoes, and heavy rain across portions of the Mid-Atlantic into the Mid-South. Severe storms may produce hail across the northern/central High Plains. Hazardous heat will linger across the southern U.S. and build across the West through mid-week. Fire weather concerns continue for Interior Alaska and the Four Corners region. Read More >

Click a location below for detailed forecast.

Last Map Update: Mon, Jun 22, 2026 at 2:34:15 pm MST

An Extreme Heat Warning is in effect from 10 am Monday through 7 PM Tuesday (MST) in the Grand Canyon below 4000 feet. Daytime temperatures as high as 101 at Havasupai Gardens and 112 at Phantom Ranch.
Today starts a warming trend with hot daytime temperatures reaching 5-10 degrees above normal, as high as 110° for the inner Grand Canyon. Moisture starts to return as early as tomorrow with slight chances for an afternoon thunderstorm over the high country.

 

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