Subtropical Storm Josephine Impacts the Eastern Seaboard; Pacific Storm Impacting the Southwest U.S.

Subtropical Storm Josephine will continue to bring significant coastal flooding impacts, dangerous marine conditions, and beach erosion along portions of the Eastern Seaboard. A Pacific storm will interact with tropical moisture and bring excessive rainfall, severe thunderstorms, and high elevation snow to California, the Southwest, and Four Corners region. Read More >

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Last Map Update: Thu, Oct 22, 2026 at 1:50:23 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

Flood Warning

Flash Flood Watch

Winter Weather Advisory

Flood Advisory

Flood Watch

Special Weather Statement

Thunderstorm Outlook - Today

Excessive Rainfall Outlook - Today

Precip. Forecast

Snowfall Forecast

Daily Rainfall Record

Increased shower and thunderstorm activity is expected today and tonight. The main area of concern will be eastern Nevada where the Storm Prediction Center has issued a marginal risk for severe thunderstorms. A severe thunderstorm is capable of producing hail that is one inch or larger, or wind gusts stronger than 58 mph. Dangerous and frequent cloud to ground lightning will also be present.

There is a marginal risk (at least 5%) of excessive rainfall leading to flash flooding for the entire forecast area today and tonight. Any flooding would primarily impact low-lying or poor drainage locations. Continue to monitor the forecast for updates and/or flooding alerts.

Here are the latest precipitation forecasts for today through tonight, as well as Friday through Friday night. The majority of new precip accumulation will occur today as an upper level system continues to move into the Great Basin from the west.

A colder air mass will begin to move into Nevada from the northwest late tonight and thru Friday morning. Snow levels across northern Nevada will lower to between 6,000 and 7,000 feet. As precipitation exits the forecast area to the east Friday, it is likely that the cold air moving in behind the outgoing system will transition lingering rain to snow. Light accumulations will be possible across the foothills and higher elevation valleys, primarily across northern Nevada.

A daily rainfall record was tied at Tonopah, Nevada yesterday, October 21st with 0.15 inches of rain recorded. This ties the old record of 0.15 inches set in 1985.