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

The atmospheric river over the Pacific Northwest will begin to subside today, but lingering rainfall will exacerbate ongoing catastrophic major river flooding, and landslides will continue across portions of western Washington and northwest Oregon for several days. Arctic air will plummet southward into the Northern Plains today, bringing cold air in the single digits to the region by Friday. Read More >

Click a location below for detailed forecast.

Last Map Update: Thu, Dec 11, 2025 at 9:56:58 am EST

 

Light snow accumulations are expected in parts of southwest Virginia and the East TN mountains today, mainly for elevations at or above 2500 ft. 1 to 3 inches are possible, with higher amounts on the highest mountain peaks.
Accumulating snow will continue mainly across the higher elevations in east Tennessee and southwest Virginia. The snow showers and flurries will end around mid-day today, with mostly dry conditions expected Friday with the exception of light snow across the northern tier of the forecast area.
Accumulating snow will continue mainly across the higher elevations in east Tennessee and southwest Virginia. The snow showers and flurries will end around mid-day today, with mostly dry conditions expected Friday with the exception of light snow across the northern tier of the forecast area.
Accumulating snow will continue mainly across the higher elevations in east Tennessee and southwest Virginia. The snow showers and flurries will end around mid-day today, with mostly dry conditions expected Friday with the exception of light snow across the northern tier of the forecast area.

 Current Weather Observations...
Location Time
(EST)
Weather Vsby.
(SM)
Temp.
(ºF)
Dewpt.
(ºF)
Hum.
(%)
Wind
(mph)
Wind Chill / Heat Index
(ºF)
Pres.
(in)
Abingdon VA09:35Overcast10302168WNW 14G2119 [WC]29.95
Andrews-Murphy NC09:17Partly Cloudy10351951CALM-30.01
Chattanooga TN08:53Mostly Clear10362461NNW 929 [WC]30.09
Crossville TN08:53Clear10272281W 620 [WC]30.02
Dalton GA09:35Clear9372663NNW 1229 [WC]30.09
Knoxville TN (McGhee-Tyson)08:53Mostly Clear10352566CALM-30.03
Middlesboro KY09:35Overcast10332365WNW 528 [WC]30.05
Monroe Cnty TN09:35Clear10352669NNW 728 [WC]30.05
Morristown TN09:35Mostly Clear10332469NW 726 [WC]30.02
Oak Ridge TN08:53Clear10352463CALM-30.05
Tazewell Cnty VA09:35Overcast10262079NW 816 [WC]29.92
Tri-Cities TN08:53Mostly Cloudy10322472W 1222 [WC]29.97
Wise VA09:35Overcast10262179W 817 [WC]29.93
Greeneville, TN09:35Mostly Cloudy10322474WSW 526 [WC]29.99


Local Weather History For December 11th...
In 1982, snowstorms hit the area. Tri-Cities reported 5.9" of snow while Knoxville had 3".

 

 

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