Extreme Heat Across the Southern U.S.; Severe Thunderstorms and Heavy Rain in the Northern Plains and Upper Midwest

Dangerous heat will remain across portions of the southern U.S. through the weekend. A heat wave over the Southwest will intensify this week, peaking and expanding into the Intermountain West and northern High Plains this weekend. Severe thunderstorms will produce damaging winds and heavy rainfall over portions of the northern/central Plains into the mid/upper-Mississippi Valleys today. Read More >

Click a location below for detailed forecast.

Last Map Update: Thu, Jul 30, 2026 at 3:36:35 pm PDT

Watches, Warnings & Advisories

National Weather Service Salt Lake City, UT

National Weather Service San Joaquin Valley, CA

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National Weather Service NWS Flagstaff, AZ

National Weather Service Los Angeles, CA

Extreme Heat Warning

Heat Advisory

Coastal Flood Advisory

High Surf Advisory

Air Quality Alert

Dangerous Heat Returns

Thursday's Temps

Above-normal temperatures continue, returning to dangerous levels Thursday through Sunday. Daily and monthly temperature records will be challenged.

Sunny skies and hotter than normal temperatures will make for beautiful weather today, if you are a lizard. For our warm blooded friends, today will be the first day of Extreme Heat Warnings & Heat Advisories across the Mojave Desert and Southern Great Basin as temperatures climb through the weekend.

Extreme Heat Across the Southern U.S.; Severe Thunderstorms and Heavy Rain in the Northern Plains and Upper Midwest

NWS Forecast Office Las Vegas, NV