National Weather Service United States Department of Commerce

Severe Weather Possible from the Central Plains to the Northeast; Building Heat in the West; Fire Weather Concerns for the Southwest

Severe thunderstorms will be possible from the central Plains to the Mid-Atlantic and Northeast on Monday. Hazardous heat will linger across the southern U.S. and build across the West through mid-week. Hot and dry conditions will fuel fire weather concerns for Interior Alaska and the Four Corners region through Monday. Read More >

Click a location below for detailed forecast.

Last Map Update: Mon, Jun 22, 2026 at 12:34:13 am 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.
The week starts with a warming trend and hot daytime temperatures reaching 5-10 degrees above normal. Moisture builds back into the region by midweek, with daily shower and thunderstorm returning as early as Tuesday-Wednesday.

 

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