Heavy Rainfall for Portions of the West and Southern Plains; Dangerous Heat for the Northwest

Monsoonal flow coinciding with a frontal boundary will focus more showers and thunderstorms across the central Great Basin, central Rockies, Southwest into the Southern Plains. Heavy rainfall may bring about instances of flash flooding. Meanwhile, record setting heat continues for the Pacific Northwest through Monday. Heat combining with dry conditions could allow for any fires to quickly spread. Read More >

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Last Map Update: Sun, Aug 24, 2025 at 2:10:56 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

Red Flag Warning

Flood Advisory

Flood Watch

Special Weather Statement

Hydrologic Outlook

Excessive Rainfall Outlook Today

Thunderstorm Outlook

Excessive Rainfall Outlook Monday

Projected Rainfall Amounts

Cooling Trend

There is a marginal risk of excessive rainfall in most of Northern and Central Nevada from 12 PM PDT this afternoon until 10 PM PDT this evening. Heavy rainfall may result in minor flooding of recent burn scars, streams, creeks, and low-lying areas. Ditches could become clogged with debris.

Scattered thunderstorms are expected throughout Northern and Central Nevada from 12 PM PDT this afternoon until 10 PM PDT this evening. A few of these thunderstorms could be strong. The primary thunderstorm hazards will be wind gusts near 50 mph, dangerous cloud to ground lightning strikes, localized flooding, and small hail.

There is a marginal risk of excessive rainfall in most of Northern and Central Nevada from 12 PM PDT Monday afternoon until 9 PM PDT Monday evening. Heavy rainfall may result in minor flooding of recent burn scars, streams, creeks, and low-lying areas. Ditches could become clogged with debris.

Monsoonal moisture will surge northward into most of Northern and Central Nevada this afternoon through Wednesday evening, resulting in wetting thunderstorms each afternoon and evening. The majority of this rain will fall Tuesday.

A cooling trend is expected across Northern and Central Nevada today through Wednesday. By Wednesday afternoon, maximum temperatures throughout Northern and Central Nevada will be around five degrees below normal for this time of year. High temperatures will remain below seasonal values each afternoon Thursday through Saturday.