National Weather Service United States Department of Commerce

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 12:48:38 pm EST

 

Light snow accumulations are expected in southwest Virginia and far northeast Tennessee tonight, though, the majority of East Tennessee as well as southwest North Carolina will remain dry. More seasonable temperatures are expected alongside widespread dry conditions Friday into Saturday.
Additional snow showers will promote light snow accumulations in southwest Virginia and far northeast Tennessee overnight into early Friday morning. Otherwise, mostly dry conditions are expected for the majority of the forecast area through Saturday. Temperatures will trend more seasonable for Friday and Saturday as well.
Additional snow showers will promote light snow accumulations in southwest Virginia and far northeast Tennessee overnight into early Friday morning. Otherwise, mostly dry conditions are expected for the majority of the forecast area through Saturday. Temperatures will trend more seasonable for Friday and Saturday as well.
Additional snow showers will promote light snow accumulations in southwest Virginia and far northeast Tennessee overnight into early Friday morning. Otherwise, mostly dry conditions are expected for the majority of the forecast area through Saturday. Temperatures will trend more seasonable for Friday and Saturday as well.
Each observation point is apart of our COOP program (Cooperative Observer Program). Each site has a 24 hour observation period that ends and begins at 8 am local time. Each site records temperature, precipitation, and snowfall data. More information about the COOP program can be found here www.nws.noaa.gov/om/coop/ Data began being collected at: Cades Cover on 01/01/1999 || Mount LeConte on 07/01/1987 || Newfound Gap on 01/01/1991 || Sugarlands Visitor Center on 12/01/1921

 Current Weather Observations...
Location Time
(EST)
Weather Vsby.
(SM)
Temp.
(ºF)
Dewpt.
(ºF)
Hum.
(%)
Wind
(mph)
Wind Chill / Heat Index
(ºF)
Pres.
(in)
Abingdon VA12:35Mostly Cloudy10321959W 8G1624 [WC]29.92
Andrews-Murphy NC12:15Clear10421938SSE 638 [WC]29.98
Chattanooga TN11:53Partly Cloudy10432242E 539 [WC]30.06
Crossville TN11:53Clear10362461VRB 630 [WC]30.00
Dalton GA12:35Clear10442241CALM-30.05
Knoxville TN (McGhee-Tyson)11:53Mostly Clear10402350SSW 3-30.02
Middlesboro KY12:35Partly Cloudy10392453WNW 634 [WC]30.00
Monroe Cnty TN12:35Clear10412452CALM-30.01
Morristown TN12:35Mostly Clear10392351VRB 733 [WC]29.98
Oak Ridge TN11:53Clear10402350S 536 [WC]30.04
Tazewell Cnty VA12:35Mostly Cloudy10281971NW 719 [WC]29.90
Tri-Cities TN12:00Mostly Cloudy10362358VRB 630 [WC]29.97
Wise VA12:35Overcast10302168NNW 722 [WC]29.91
Greeneville, TN12:35Partly Cloudy10372151WSW 930 [WC]29.96


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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