National Weather Service United States Department of Commerce

Tropical Depression Nine Forms; Heavy Rainfall in the Southwest and Southeast this Weekend

Tropical Depression Nine has formed and will continue to slowly move to the north-northwest in the coming days. As the storm passes close to the east coast of Florida, tropical storm conditions are possible Sunday through Monday. Tropical Storm Watches have been issued. Significant uncertainty remains in the track and intensity, but chances for impacts to the Southeast are increasing. Read More >

Click a location below for detailed forecast.

Last Map Update: Sat, Sep 27, 2025 at 1:02:57 pm EDT

 

Above normal temperatures and chances for afternoon showers and thunderstorms will continue through the weekend and into early next week. Best rain chances will be near the mountains and areas around and north of the Tri-Cities region. Temperatures will continue to run 3-5 degrees above normal.
Scattered showers and a few thunderstorms are expected again today, mainly in the afternoon and early evening. Sunday will be drier, but a few locations especially over the eastern mountains may see an isolated shower or storm in the afternoon.
Scattered showers and a few thunderstorms are expected again today, mainly in the afternoon and early evening. Sunday will be drier, but a few locations especially over the eastern mountains may see an isolated shower or storm in the afternoon.
Scattered showers and a few thunderstorms are expected again today, mainly in the afternoon and early evening. Sunday will be drier, but a few locations especially over the eastern mountains may see an isolated shower or storm in the afternoon.
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
(EDT)
Weather Vsby.
(SM)
Temp.
(ºF)
Dewpt.
(ºF)
Hum.
(%)
Wind
(mph)
Wind Chill / Heat Index
(ºF)
Pres.
(in)
Abingdon VA12:35Clear10736064VRB 3-29.97
Andrews-Murphy NC15:49Clear10826047S 3-29.88
Chattanooga TN12:26Thunder \ Cumulonimbus Clouds, Lightning Observed10806662SW 3-29.94
Crossville TN12:30Overcast10766568NNW 6-29.99
Dalton GA12:35Mostly Cloudy10787179W 5-29.93
Knoxville TN (McGhee-Tyson)12:23Lightning Observed10696586E 6-29.96
Middlesboro KY12:35Lightning Observed10686588CALM-29.98
Monroe Cnty TN12:15Mostly Cloudy10757188VRB 6-29.95
Morristown TN12:15Mist66666100WNW 7G13-29.95
Oak Ridge TN11:53Mostly Cloudy10696586CALM-29.98
Tazewell Cnty VA12:35Lightning Observed10715966CALM-30.01
Tri-Cities TN11:53Thunder \ Cumulonimbus Clouds, Lightning Observed10736370CALM-29.96
Wise VA12:35Heavy Rain \ Lightning Observed3686282CALM-30.02
Greeneville, TN12:15Mist2 1/2686693VRB 3-29.96


Local Weather History For September 27th...
In 2002, high winds hit area from remnants of T.S. Isadore, $20,000 damage in Knox County.

 

 

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