National Weather Service United States Department of Commerce

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 >

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Last Map Update: Tue, Dec 9, 2025 at 12:28:12 am CST

Expect clear skies and light winds tonight with lows for most in the low to upper 30s across the region. Isolated locations, especially in lower valleys, could briefly drop to freezing which may result in damage to sensitive plants.
We'll see a brief warm period mid week and then temperatures will fall to below normal over the weekend. No rain is expected.