National Weather Service United States Department of Commerce

Strong Atmospheric River Bringing Heavy Rain to the Pacific Northwest; Areas of Snow in the North-Central and Eastern U.S.

A strong atmospheric river will bring prolonged heavy rainfall along with gusty winds to the Pacific Northwest through much of this week. The heavy rainfall may lead to widespread urban and river flooding. Accumulating snow is expected over parts of the central Appalachians and Mid-Atlantic today as well as the Upper Midwest and the Upper Great Lakes this evening into Tuesday. Read More >

Click a location below for detailed forecast.

Last Map Update: Mon, Dec 8, 2025 at 3:04:43 pm EST

 

Behind this departing system, clearing conditions return with cold air sticking around this week. No major impacts for our area, but there will be a chance of rain on Wednesday night with a quick moving cold front.
A light snow event is likely to occur late overnight through tomorrow across northeastern Tennessee, southwestern Virginia, and the higher elevations of the East TN mountains. Valley snow in the aforementioned areas will run 0 to 1 inches, with higher elevations of the Virginian and East Tennessee ridges and mountains to accumulate 1 to 3 inches. The highest elevations of the Smokies may pick up 1 to 3 inches of snow as well. Isolated mountain snow to 4 inches possible. Snow showers will decrease in intensity into the evening and will become flurries by the conclusion of the advisory at 7 PM EST.
Light snow accumulations are expected in the east Tennessee Mountains, which may impact driving through Monday evening. Dry weather with warmer temperatures are expected Tuesday and Wednesday, before another cold front moves through towards the weekend.
Light snow accumulations are expected in the east Tennessee Mountains, which may impact driving through Monday evening. Dry weather with warmer temperatures are expected Tuesday and Wednesday, before another cold front moves through towards the weekend.
Light snow accumulations are expected in the east Tennessee Mountains, which may impact driving through Monday evening. Dry weather with warmer temperatures are expected Tuesday and Wednesday, before another cold front moves through towards the weekend.
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 VA14:55Light Rain10333293VRB 2-30.02
Andrews-Murphy NC14:35Overcast10423370CALM-30.07
Chattanooga TN14:53Mostly Cloudy10453465N 1039 [WC]30.14
Crossville TN14:53Overcast8343292NNW 1225 [WC]30.13
Dalton GA14:55Overcast10453875NNW 1438 [WC]30.13
Knoxville TN (McGhee-Tyson)14:53Overcast10433676W 937 [WC]30.10
Middlesboro KY14:55Overcast10363285NNW 729 [WC]30.14
Monroe Cnty TN14:55Mostly Cloudy10423986NW 1534 [WC]30.11
Morristown TN14:55Overcast103939100VRB 535 [WC]30.08
Oak Ridge TN14:53Overcast10423472VRB 3-30.13
Tazewell Cnty VA14:55Snow1/23030100NW 3-30.02
Tri-Cities TN14:53Light Rain8373592NNW 731 [WC]30.05
Wise VA14:55Light Snow1 1/2302892NNW 722 [WC]30.04
Greeneville, TN14:55Overcast10393793W 5G1335 [WC]30.05


Local Weather History For December 8th...
Snow and ice fell across eastern US in 1989. 7" of snow fell in parts of VA, rain fell in east
TN.

 

 

Briefing Hydrology Past Weather Events Graphical Hazardous Weather Outlook for East Tennessee East Tennessee Observations
Decision Support Hydrology Past Weather Events GHWO Observations Gridded Forecast
Daily Climate for Middle Tennessee Local East Tennessee Climate Tornado Database Tropical Weather Information NOAA Weather Radio
IDSS Point Forecasts Daily Climate Local Climate Tornado Database Tropical Weather Radio
Daily Climate for Middle Tennessee Probabilistic Data for East Tennessee Virtual Tour of the NWS Morristown Office Skywarn Spotter Training for East Tennessee  
Being Prepared Estar Perparado Probabilistic Virtual Tour Spotter Training