National Weather Service United States Department of Commerce

Heat Across the Center of the Nation; Severe Thunderstorms Across the Great Lakes and Ohio Valley

Heat expands across the Desert Southwest, Plains, Mississippi Valley and Midwest into Monday. Fire weather concerns continue for portions of the Intermountain West. Active monsoonal moisture fuels thunderstorms over the Southwest with possible flash flooding. Tropical cyclone Fausto in the Pacific, should weaken as it approaches Hawaii; Dangerous surf, swells and rip currents are expected. Read More >

Click a location below for detailed forecast.

Last Map Update: Sun, Jul 26, 2026 at 1:26:34 pm MST

Similar to yesterday, expect scattered showers and thunderstorms to develop midday over higher terrain with only isolated activity in the valleys. Stronger storms have the potential to produce very localized flash flooding and gusty outflows.
Very hot temperatures are expected over the lower elevations of the Grand Canyon as well as Marble/Glen Canyons into the weekend. An Extreme Heat Warning has been issued from Friday through Sunday in these areas. Temperatures may reach as high as 114 degrees at Phantom Ranch!

 

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