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Prolonged Atmospheric River in the Northwest; Snow in the North-Central US

A prolonged atmospheric river will bring heavy rainfall which may lead to widespread urban and river flooding, heavy mountain snow, along with gusty winds to the Pacific Northwest into the northern Rockies through much of the week. A clipper will bring a period of snow across the upper Midwest and the Great Lakes into Tuesday, before a stronger system bring more wintry impacts. Read More >

Click a location below for detailed forecast.

Last Map Update: Mon, Dec 8, 2025 at 11:10:49 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.
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 VA22:55Overcast10282486VRB 2-30.15
Andrews-Murphy NC22:35Partly Cloudy10332674N 528 [WC]30.17
Chattanooga TN22:53Overcast10372869NW 930 [WC]30.25
Crossville TN22:53Overcast10302684NW 3-30.19
Dalton GA22:55Overcast10383380NNW 932 [WC]30.24
Knoxville TN (McGhee-Tyson)22:53Mostly Cloudy10352875N 629 [WC]30.20
Middlesboro KY22:35Overcast10322883NNE 3-30.22
Monroe Cnty TN22:55Overcast10353393NNW 629 [WC]30.21
Morristown TN22:55Overcast10353080VRB 3-30.18
Oak Ridge TN22:53Overcast10362769CALM-30.23
Tazewell Cnty VA22:55Mist1 1/2242397CALM-30.13
Tri-Cities TN22:53Overcast10322885NE 3-30.18
Wise VA22:55Mist4262492CALM-30.14
Greeneville, TN22:55Overcast10333086CALM-30.16


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.

 

 

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