Extreme Heat and Excessive Rainfall Today

Dangerous and extreme heat will remain across portions of the southern U.S. this week. A heat wave over the Southwest U.S. will intensify this week, peaking and expanding into the Intermountain West and northern High Plains this weekend. Multiple rounds of thunderstorms will produce heavy to excessive rainfall with significant flash flooding across portions of southern New England today. Read More >

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Last Map Update: Wed, Jul 29, 2026 at 1:08:17 pm PDT

Watches, Warnings & Advisories

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National Weather Service Salt Lake City, UT

National Weather Service San Joaquin Valley, CA

National Weather Service NWS Flagstaff, AZ

Flash Flood Warning

Extreme Heat Warning

Red Flag Warning

Heat Advisory

Flood Advisory

Extreme Heat Watch

Air Quality Alert

Wednesday Thunderstorm Outlook

Temperatures Are Trending Warmer

Triple Digit Heat Probabilities

Smoke from the Secret Pass wildfire will impact Northeastern Nevada today, resulting in unhealthy air quality for sensitive groups. People with heart or lung disease, older adults, children, and teens, should reduce exposure by choosing less strenuous activities or shortening the amount of time you are active outdoors. An Air Quality Alert is in effect until 6 AM PDT Thursday morning.

Isolated to scattered thunderstorms are expected across mainly the Eastern portions of Elko and White Pine Counties from 12 PM PDT this afternoon until 8 PM PDT this evening. The primary thunderstorm hazards will be wind gusts near 50 mph and dangerous cloud to ground lightning strikes.

A warming trend is expected across Northern and Central Nevada through Saturday. By Saturday afternoon, high temperatures in Northern and Central Nevada will be around ten degrees above normal for this time of year. A Heat Advisory may be required Thursday through at least Saturday.

A warming trend is expected across Northern and Central Nevada Thursday through Saturday. By Saturday afternoon, high temperatures in Northern and Central Nevada will be around ten degrees above normal for this time of year. A Heat Advisory will likely be required. Here are triple digit heat probabilities for select locations in Northern and Central Nevada from Wednesday, July 29th, 2026 through Sunday, August 2nd, 2026.