Heavy Rain and Flash Flooding in the West; Heat Expands in the Central U.S.

Monsoonal moisture will produce showers and thunderstorms with heavy rain over parts of the Southwest, Great Basin, and Central Rockies through Monday. Flash flooding is possible, especially in and around burn scars and in areas of steep terrain. Heat will persist across the Central U.S. early this week, spreading into the Ohio Valley and Mid-Atlantic later this week. Read More >

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Last Map Update: Mon, Aug 31, 2026 at 1:32:26 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

Severe Thunderstorm Warning

Flash Flood Warning

Red Flag Warning

Flood Advisory

Lake Wind Advisory

Frost Advisory

Flood Watch

Special Weather Statement

Thunderstorm Outlook Today

Thunderstorm Outlook Tuesday

Isolated to scattered showers and thunderstorms are expected across much of northern and central Nevada from 11 AM PDT this morning until 9 PM PDT this evening. A few of these thunderstorms could be strong. These thunderstorms may produce wind gusts up to 55 mph, along with small hail and dangerous cloud to ground lightning.

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Heavy Rain and Flash Flooding in the West; Heat Expands in the Central U.S.

NWS Forecast Office Elko, NV