Hazardous Coastal Conditions for the Mid-Atlantic; Storm System Approaching Southern Alaska

A Nor'easter will create hazardous marine and coastal conditions along the Mid-Atlantic coast through mid-week, with significant coastal flooding and beach erosion possible. Meanwhile, another strong storm system is forecast to bring high winds and heavy precipitation to portions of southern Alaska. Elsewhere, relatively benign weather is expected through the first half of the work week. Read More >

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Last Map Update: Tue, Oct 20, 2026 at 9:00:14 am 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

There are no watches, warnings, or advisories at this time.

Thunderstorm Outlook - Today

Precip Outlook - C. Nevada

Precip Outlook - N. Nevada

Excessive Rainfall Outlook - Wednesday

Thunderstorm Outlook - Wednesday

Isolated thunderstorms are expected in Eastern Nevada from 12 PM PDT Tuesday afternoon until 9 PM PDT Tuesday evening. A few of these thunderstorms could be strong. The primary thunderstorm hazards will be wind gusts near 45 mph and dangerous cloud to ground lightning strikes.

A storm system will impact Central Nevada through Friday, resulting in periods of valley rain and mountain snow. The majority of this precipitation will fall Thursday and Thursday night.

A storm system will impact Northern Nevada through Friday, resulting in periods of valley rain and mountain snow. The majority of this precipitation will fall Thursday and Thursday night.

There is a marginal risk (at least 5%) of excessive rainfall leading to flash flooding within portions of central Nevada Wednesday Oct 21st. Any flooding would primarily impact low-lying or poor drainage locations. Continue to monitor the forecast for updates and/or flooding alerts.

Isolated thunderstorms are expected across Nevada Wednesday afternoon through Wednesday evening. A few of these thunderstorms could be strong. The primary thunderstorm hazards will be wind gusts near 45 mph and dangerous cloud to ground lightning strikes.