Tracking Atmospheric River in the Northwest U.S. and Clipper with Winter Weather in the Northeast U.S.

A prolonged atmospheric river will continue to bring gusty winds, heavy rainfall which may lead to urban and river flooding with possible landslides, and heavy inter-mountain snow over the Pacific Northwest into the northern Rockies through Thursday. A clipper will cross the Great Lakes and Northeast U.S. into Thursday with areas of moderate to heavy snow and mixed wintry precipitation. Read More >

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Last Map Update: Wed, Dec 10, 2025 at 7:50:52 pm PST

Watches, Warnings & Advisories

National Weather Service Seattle/Tacoma, WA

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High Wind Warning

Flood Warning

Flood Advisory

Wind Advisory

Flood Watch

Special Weather Statement

Air Stagnation Advisory

Hydrologic Outlook

Very Windy into Thursday AM

River Flooding This Week

Windy to very windy conditions will continue this evening, persisting into Thursday morning. Southwest winds of 25-35 mph with gusts up to 55 mph are expected, except 35-45 mph with gusts up to 70 mph in the lower Columbia Basin of Washington.

Runoff from rainfall will make for rises along area rivers. These rivers are expected to at least reach Minor and Moderate stage this week. Many rivers are expected to peak today through Friday, with a few exceptions like Yakima at Kiona continuing to peak through Saturday. Area Flooding is expected across portions Yakima and Kittitas counties. Flooding of rivers, creeks, streams, and other low-lying and flood-prone locations is imminent or occurring. The major concern will be river flooding along the Yakima and Naches rivers. Flooding along rivers will bring swift and cold waters, while bank erosion will also be possible. River flooding may also lead to debris being deposited over roadways/bridges as water moves over these areas. Practice safe driving habits if encountering a flooded road and remember the saying, "turn around and don't drown!" For more complete information, please visit the website for the Pendleton Weather Forecast Office: https://www.weather.gov/pdt/

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Tracking Atmospheric River in the Northwest U.S. and Clipper with Winter Weather in the Northeast U.S.

NWS Forecast Office Pendleton, OR