National Weather Service United States Department of Commerce

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 11:42:21 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.

 Current Weather Observations...
Location Time
(EST)
Weather Vsby.
(SM)
Temp.
(ºF)
Dewpt.
(ºF)
Hum.
(%)
Wind
(mph)
Wind Chill / Heat Index
(ºF)
Pres.
(in)
Abingdon VA23:15Overcast10282486W 2-30.14
Andrews-Murphy NC22:55Partly Cloudy10322474CALM-30.18
Chattanooga TN22:53Overcast10372869NW 930 [WC]30.25
Crossville TN22:53Overcast10302684NW 3-30.19
Dalton GA23:15Overcast10383483NNW 732 [WC]30.24
Knoxville TN (McGhee-Tyson)22:53Mostly Cloudy10352875N 629 [WC]30.20
Middlesboro KY23:15Overcast10322882CALM-30.21
Monroe Cnty TN23:15Overcast10353393NW 629 [WC]30.21
Morristown TN23:15Mostly Cloudy10333293NW 627 [WC]30.17
Oak Ridge TN22:53Overcast10362769CALM-30.23
Tazewell Cnty VA23:15Mist3242397CALM-30.13
Tri-Cities TN22:53Overcast10322885NE 3-30.18
Wise VA23:15Mist2262492CALM-30.13
Greeneville, TN23:15Overcast10333086CALM-30.15


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