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 1:10:41 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 VA12:55Partly Cloudy10331955WSW 1323 [WC]29.92
Andrews-Murphy NC12:35Clear10441936SW 839 [WC]29.97
Chattanooga TN12:53Partly Cloudy10452239SW 542 [WC]30.04
Crossville TN12:53Clear10382150WNW 1030 [WC]29.98
Dalton GA12:55Clear10442239CALM-30.05
Knoxville TN (McGhee-Tyson)12:53Mostly Clear10422346SSW 737 [WC]29.99
Middlesboro KY12:55Partly Cloudy10392453WNW 734 [WC]30.00
Monroe Cnty TN12:55Clear10422448CALM-30.00
Morristown TN12:55Clear10392351WSW 1032 [WC]29.97
Oak Ridge TN12:53Clear10422346VRB 638 [WC]30.01
Tazewell Cnty VA12:55Overcast10282069WNW 919 [WC]29.90
Tri-Cities TN12:53Mostly Cloudy10382252WSW 1429 [WC]29.96
Wise VA12:55Overcast10302374NW 623 [WC]29.90
Greeneville, TN12:55Partly Cloudy10372151W 7G1531 [WC]29.95


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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