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: Mon, Dec 8, 2025 at 5:24:46 am 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.
Rain will spread across the area Monday morning, with a change to snow in the mountains of East Tennessee and portions of southwest Virginia. Light snow accumulations are expected in these areas, which may impact driving. Dry weather with warmer temperatures are expected Tuesday and Wednesday.
Rain will spread across the area Monday morning, with a change to snow in the mountains of East Tennessee and portions of southwest Virginia. Light snow accumulations are expected in these areas, which may impact driving. Dry weather with warmer temperatures are expected Tuesday and Wednesday.
Rain will spread across the area Monday morning, with a change to snow in the mountains of East Tennessee and portions of southwest Virginia. Light snow accumulations are expected in these areas, which may impact driving. 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 VA05:15Light Rain10393586CALM-29.98
Andrews-Murphy NC04:58Drizzle10373593CALM-30.01
Chattanooga TN04:53Light Rain \ Mist6424195NW 3-30.04
Crossville TN05:09Mist5403996NW 536 [WC]30.02
Dalton GA05:15Light Rain \ Mist34141100N 3-30.03
Knoxville TN (McGhee-Tyson)04:53Light Rain \ Mist6414095WSW 537 [WC]30.01
Middlesboro KY04:55Rain10413993CALM-30.02
Monroe Cnty TN05:15Mist34141100SSW 3-30.02
Morristown TN05:15Mist34141100CALM-29.99
Oak Ridge TN04:53Light Rain \ Mist6414095CALM-30.02
Tazewell Cnty VA05:15Light Snow7353185CALM-29.97
Tri-Cities TN04:53Light Rain10393688CALM-29.99
Wise VA05:15Rain103333100N 3-30.00
Greeneville, TN05:15Mist43939100CALM-29.98


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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