National Weather Service United States Department of Commerce

Prolonged Atmospheric River in the Pacific Northwest; Snow and High Winds from the Upper Midwest into the Northeast

A prolonged atmospheric river will continue to impact the Pacific Northwest into the Northern Rockies with heavy rainfall, areas of urban and river flooding, landslides, heavy mountain snow, and gusty winds into Thursday. A strong clipper system will bring the threat of heavy snow and high winds across the Upper Midwest/Great Lakes as well as portions of the interior Northeast and Appalachians. Read More >

Click a location below for detailed forecast.

Last Map Update: Tue, Dec 9, 2025 at 10:20:54 pm EST

 

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.
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 VA21:55Clear10282486CALM-29.97
Andrews-Murphy NC21:34Clear10282692CALM-30.09
Chattanooga TN21:53Mostly Cloudy10383175CALM-30.04
Crossville TN21:53Clear10402862SSW 12G2032 [WC]29.95
Dalton GA21:55Clear9393587S 534 [WC]30.06
Knoxville TN (McGhee-Tyson)21:53Mostly Clear10402964WSW 1232 [WC]29.98
Middlesboro KY21:55Clear10423164SSW 837 [WC]29.96
Monroe Cnty TN21:55Clear10373386SW 632 [WC]30.00
Morristown TN13:1510413065SW 835 [WC]30.07
Oak Ridge TN21:53Clear10393275CALM-30.01
Tazewell Cnty VA21:55Clear10342467SW 529 [WC]29.93
Tri-Cities TN21:53Partly Cloudy10292688CALM-29.99
Wise VA21:55Clear10352669SW 16G2224 [WC]29.91
Greeneville, TN21:55Clear10372869SW 3-29.98


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

 

 

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