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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: Tue, Dec 9, 2025 at 1:28:21 am 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.
Dry weather with warmer temperatures are expected today and Wednesday, before another cold front moves around mid-week.
Dry weather with warmer temperatures are expected today and Wednesday, before another cold front moves around mid-week.
Dry weather with warmer temperatures are expected today and Wednesday, before another cold front moves around mid-week.

 Current Weather Observations...
Location Time
(EST)
Weather Vsby.
(SM)
Temp.
(ºF)
Dewpt.
(ºF)
Hum.
(%)
Wind
(mph)
Wind Chill / Heat Index
(ºF)
Pres.
(in)
Abingdon VA01:15Overcast10262492NW 2-30.13
Andrews-Murphy NC00:55Clear10282486CALM-30.18
Chattanooga TN00:53Overcast10362872NNW 531 [WC]30.24
Crossville TN00:53Overcast10302684WSW 3-30.18
Dalton GA01:15Overcast10373383NNW 632 [WC]30.23
Knoxville TN (McGhee-Tyson)00:53Overcast10342672NW 3-30.20
Middlesboro KY01:15Overcast10322780CALM-30.20
Monroe Cnty TN01:15Overcast10333293N 528 [WC]30.20
Morristown TN01:15Overcast103232100CALM-30.17
Oak Ridge TN00:53Overcast10352771CALM-30.22
Tazewell Cnty VA01:15Mist1242397CALM-30.10
Tri-Cities TN00:53Overcast10302684NNW 3-30.17
Wise VA01:15Overcast10262492CALM-30.11
Greeneville, TN01:15Overcast10323092CALM-30.15


Local Weather History For December 9th...
In 2009, high winds hit mountains. Gusts up to 100 mph produced over $1 million damage.

 

 

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  
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