Dangerous Heat and Possible Flooding

Dangerous heat will persist across the Southwest U.S. through Saturday with daytime highs of 110-115°F. Extreme Heat Warnings remain in effect. Dangerous heat will build across the southern Plains again beginning this weekend. Heavy to excessive rain over the Carolinas Friday may lead to isolated areas of flash flooding. Read More >

Click a location below for detailed forecast.

Last Map Update: Fri, Aug 28, 2026 at 7:34:34 am PDT

Watches, Warnings & Advisories

Zoom Out

National Weather Service Salt Lake City, UT

National Weather Service San Joaquin Valley, CA

National Weather Service NWS Flagstaff, AZ

Extreme Heat Warning

Air Quality Alert

Thunderstorm Outlook Today

Severe Weather Outlook Saturday

Excessive Rainfall Outlook Today

Saturday's Excessive Rainfall Outlook

Thunderstorm Probabilities Today and Saturday

Isolated to scattered thunderstorms are expected in most of Northern and Central Nevada until 9 PM PDT this evening. A few of these thunderstorms could be strong to severe. The most intense thunderstorms may produce damaging wind gusts up to 60 mph. These damaging wind gusts may blow down tree branches and power lines. Power outages are possible.

Isolated to scattered thunderstorms are expected in most of Northern and Central Nevada from 12 PM PDT Saturday afternoon until 9 PM PDT Saturday evening. A few of these thunderstorms could be strong to severe. The most intense thunderstorms may produce damaging wind gusts of 60 to 65 mph. These damaging wind gusts may blow down tree branches and power lines. Power outages are possible.

Isolated to scattered showers and thunderstorms will develop across northern and central Nevada from 12 PM PDT Friday afternoon until 9 PM PDT Friday evening. Small hail and wind gusts near 60 miles per hour are a couple of hazards associated with strong thunderstorms. In addition to dangerous cloud to ground lightning strikes, any thunderstorm can produce intense rainfall rates, leading to localized flooding and debris flows.

Isolated to scattered showers and thunderstorms will develop across northern and central Nevada from 1 PM PDT Saturday afternoon until 8 PM PDT Saturday evening. Small hail and wind gusts near 65 miles per hour are a couple of hazards associated with strong thunderstorms. In addition to dangerous cloud to ground lightning strikes, any thunderstorm can produce intense rainfall rates, leading to localized flooding and debris flows.

A much more moist air mass will be pushing into northern and central Nevada today and Saturday. As a result, the best chances for thunderstorms will be centered across central and eastern Nevada on both days. These storms could bring strong to severe with wind gusts up to 65 mph along with brief moderate to heavy rain and dangerous cloud to ground lightning.