National Weather Service United States Department of Commerce

Catastrophic Flooding in the Pacific Northwest; Very Cold Temperatures in the Northern Plains

Catastrophic flooding and landslides will continue to bring a significant risk to life and property in Washington and northwest Oregon. Arctic air will bring near record cold temperatures and dangerous wind chills from the Northern High Plains into the Mid-South and Mid-Atlantic through the weekend. A narrow band of snow is likely from the Mid-West, Upper Ohio Valley into the Central Appalachians. Read More >

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Last Map Update: Thu, Dec 11, 2025 at 6:06:36 pm MST

An Air Stagnation Advisory is in effect from Friday AM to Monday AM for area valleys due to poor ventilation and limited mixing. Patchy to dense fog may form and linger throughout the weekend, reducing visibility and leading to degraded air quality at times.

 

 

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