Severe Weather and Heavy Rainfall in the Midwest and Desert Southwest; Mid-Summer Heat Continues

Severe thunderstorm and heavy rainfall are possible in the Midwest into the Central Appalachians and the Desert Southwest early this week. Storms are also expected in parts of the northern Plains today. Fire weather and air quality concerns will persist across portions of the West. Mid-summer heat will continue across much of the CONUS this week, especially in the the south-central High Plains. Read More >

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Last Map Update: Mon, Aug 10, 2026 at 2:44:50 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

Special Weather Statement

Air Quality Alert

Thunderstorm Outlook Today

Elevated Fire Danger

Thunderstorm Outlook Tuesday

Thunderstorm Probabilities

Cooling Trend

A mix of wet and dry thunderstorms are expected in parts of Northern and Central Nevada from 12 PM PDT this afternoon until 8 PM PDT this evening. A few of these thunderstorms could be strong. The primary thunderstorm hazards will be wind gusts near 55 mph and dangerous cloud to ground lightning strikes.

There is an elevated risk of wildfires in Northern Nevada today and Tuesday. The combination of critically dry fuels, very low relative humidity values, and gusty west winds can contribute to extreme fire behavior. Any fires that develop will likely spread rapidly. Outdoor burning is not recommended.

Isolated to scattered thunderstorms are expected in parts of Central Nevada from 12 PM PDT Tuesday afternoon until 8 PM PDT Tuesday evening. A few of these thunderstorms could be strong. The primary thunderstorm hazards will be wind gusts near 50 mph and dangerous cloud to ground lightning strikes.

A mix of wet and dry thunderstorms are expected in parts of Northern and Central Nevada (pink, shaded areas) both this afternoon and Tuesday afternoon. A few of these thunderstorms could be strong. The primary thunderstorm hazards will be wind gusts near 55 mph and dangerous cloud to ground lightning strikes.

High temperatures throughout Northern and Central Nevada this afternoon will be around five degrees above normal for this time of year. A cooling trend is expected Tuesday through Friday. By Friday afternoon, maximum temperatures across Northern and Central Nevada will be seven to nine degrees below seasonal values.