Major Winter Storm to Impact the Mid-Atlantic and Northeast; Inclement Weather in the Pacific Northwest

A major winter storm is expected to bring heavy snow, strong winds, and coastal flooding across the Mid-Atlantic and Northeast that may cause impossible travel conditions and power outages. Blizzard conditions are possible along the Northeastern Seaboard. Wet weather and strong winds return to the Pacific Northwest and north-central California. Read More >

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Last Map Update: Mon, Feb 23, 2026 at 12:50:21 pm PST

Watches, Warnings & Advisories

National Weather Service Seattle/Tacoma, WA

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Avalanche Warning

Winter Weather Advisory

Avalanche Watch

Monday PM - Tuesday AM Valley Snow

Avalanche Watch - North Idaho

A challenging and dynamic forecast tonight into Tuesday morning as cooler air slides in from the north with rain transitioning to snow for some areas. Many factors will come into play for where slushy lowland snow accumulations develop overnight. Highest probabilities will be in the Idaho Panhandle toward the Palouse with lower probabilities extending into the Columbia Basin. Please give yourself extra time Tuesday morning to check conditions and reach your destination safely.

An Avalanche Watch is in effect from Sunday 7 PM PST to Monday 4 PM PST. Very dangerous avalanche conditions are likely to develop by Monday afternoon and raise the danger to High (Level 4 of 5). Areas included are: the Selkirk, West and East Cabinet, Purcell, and Bitterroot Mountains - Silver Valley above 4,000 feet. A warm, wet storm will deliver moderate to heavy snowfall to the snowpack. The new snowfall may add enough weight to the snowpack to overload fragile weak snow layers and cause a widespread cycle of avalanches large enough to bury, injure, or kill a person. Some of these avalanches could release naturally, propagate widely across terrain features like ridges, and run long distances into mature forests, valley floors, or flat terrain. It will become very easy for backcountry travelers to trigger them. Travel in or below avalanche terrain is not recommended during this period.