Prolonged Atmospheric River in the Northwest; Snow in the North-Central US

A prolonged atmospheric river will bring heavy rainfall which may lead to widespread urban and river flooding, heavy mountain snow, along with gusty winds to the Pacific Northwest into the northern Rockies through much of the week. A clipper will bring a period of snow across the upper Midwest and the Great Lakes into Tuesday, before a stronger system bring more wintry impacts. Read More >

Click a location below for detailed forecast.

Last Map Update: Mon, Dec 8, 2025 at 9:04:38 pm PST

Watches, Warnings & Advisories

National Weather Service Seattle/Tacoma, WA

Zoom Out

Flood Warning

Gale Warning

Flood Advisory

Coastal Flood Advisory

Small Craft Advisory

Wind Advisory

Flood Watch

Special Weather Statement

Hydrologic Outlook

Flood Watch

Breezy Winds

Flooding Potential

A potent atmospheric river event will cause heavy rainfall Monday - Wednesday, leading to the potential for river flooding as well as flooding of urban areas and small streams into Thursday. Now is the time to prepare! Visit www.weather.gov/safety/flood for more info.