National Weather Service United States Department of Commerce

Prolonged Atmospheric River Will Impact the Northwest Early this Week

A weather system in the Pacific Northwest will produce rain throughout the day, before a potent atmospheric river produces a prolonged round of heavy rainfall, widespread urban and river flooding, and high elevation snow to the region Monday through Wednesday. Showers and thunderstorms may produce isolated damaging winds, a brief tornado, and locally heavy rainfall across parts of Florida today. Read More >

Click a location below for detailed forecast.

Last Map Update: Sun, Dec 7, 2025 at 11:40:46 pm EST

 

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 northeastern 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.
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 northeastern 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.
Clouds will increase through the day, followed by rain arriving in the evening, with a change to snow possible in the mountains of East Tennessee and portions of southwest Virginia Monday morning. Impacts and amounts should be minimal. Dry weather with warmer temperatures are expected Tuesday and Wednesday.
Clouds will increase through the day, followed by rain arriving in the evening, with a change to snow possible in the mountains of East Tennessee and portions of southwest Virginia Monday morning. Impacts and amounts should be minimal. Dry weather with warmer temperatures are expected Tuesday and Wednesday.

 Current Weather Observations...
Location Time
(EST)
Weather Vsby.
(SM)
Temp.
(ºF)
Dewpt.
(ºF)
Hum.
(%)
Wind
(mph)
Wind Chill / Heat Index
(ºF)
Pres.
(in)
Abingdon VA23:15Overcast10413270E 2-29.99
Andrews-Murphy NC22:55Overcast10373386CALM-30.01
Chattanooga TN22:53Mostly Cloudy8413888S 3-30.05
Crossville TN22:53Overcast10423678N 3-30.02
Dalton GA23:15Overcast104242100CALM-30.06
Knoxville TN (McGhee-Tyson)22:53Mostly Cloudy10423678W 538 [WC]30.01
Middlesboro KY23:15Overcast10423883CALM-30.04
Monroe Cnty TN23:15Overcast103939100CALM-30.02
Morristown TN23:15Overcast10423986CALM-30.01
Oak Ridge TN22:53Overcast10423885CALM-30.03
Tazewell Cnty VA23:15Overcast10393070CALM-30.00
Tri-Cities TN22:53Overcast10403582CALM-30.00
Wise VA23:15Overcast10413065N 3-30.01
Greeneville, TN23:15Overcast10413580CALM-30.00


Local Weather History For December 7th...
Ice storm glazed roads in parts of AR and TN in 1989. 40,000 homes in Nashville lost power.

 

 

Briefing Hydrology Past Weather Events Graphical Hazardous Weather Outlook for East Tennessee East Tennessee Observations
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Daily Climate for Middle Tennessee Local East Tennessee Climate Tornado Database Tropical Weather Information NOAA Weather Radio
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