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 9:00:23 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 VA20:35Clear10302480CALM-29.99
Andrews-Murphy NC20:18Clear10302686CALM-30.10
Chattanooga TN19:53Clear10412961SE 3-30.07
Crossville TN19:53Clear10392966S 634 [WC]30.00
Dalton GA20:35Clear10393586CALM-30.10
Knoxville TN (McGhee-Tyson)19:53Clear10413064SW 1433 [WC]30.01
Middlesboro KY20:35Clear10423163S 538 [WC]29.99
Monroe Cnty TN20:35Clear10393380SW 634 [WC]30.04
Morristown TN13:1510413065SW 835 [WC]30.07
Oak Ridge TN19:53Clear10423164W 638 [WC]30.05
Tazewell Cnty VA20:35Clear10322265W 725 [WC]29.95
Tri-Cities TN19:53Partly Cloudy10312681CALM-30.00
Wise VA20:35Clear10332880SW 14G2422 [WC]29.94
Greeneville, TN20:35Partly Cloudy10372869SSW 6G1232 [WC]30.00


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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