National Weather Service United States Department of Commerce
Click a location below for detailed forecast.

Last Map Update: Fri, Sep 18, 2026 at 2:28:24 pm EDT

 

Hot temperatures continue through the weekend with highs in the 90s in the Valley. Rain chances become more widespread this weekend with the greatest chances near the East Tennessee Mountains.
Rain chances will gradually increase through the weekend into early next week with a slight decrease in heat. A few storms may be strong to severe. A Marginal risk for strong wind gusts up to 60 mph.
Abnormally hot temperatures can be expected into the weekend as a large high pressure ridge slowly moves west over the region. Shower and thunderstorm chances, while low, will gradually expand in areal coverage over the weekend in the afternoon hours to include the whole area.
Abnormally hot temperatures can be expected into the weekend as a large high pressure ridge slowly moves west over the region. Shower and thunderstorm chances, while low, will gradually expand in areal coverage over the weekend in the afternoon hours to include the whole area.
Abnormally hot temperatures can be expected into the weekend as a large high pressure ridge slowly moves west over the region. Shower and thunderstorm chances, while low, will gradually expand in areal coverage over the weekend in the afternoon hours to include the whole area.
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 VA13:55Mostly Clear10826965VRB 5-30.23
Andrews-Murphy NC13:55Clear10886647NE 391 [HI]30.20
Chattanooga TN13:53Partly Cloudy10966637NNW 13100 [HI]30.15
Crossville TN13:53Lightning Observed10906543NNW 992 [HI]30.24
Dalton GA13:55Clear10956943NNE 8100 [HI]30.15
Knoxville TN (McGhee-Tyson)13:53Cumulonimbus Clouds, Lightning Observed10916846NW 995 [HI]30.16
Middlesboro KY14:15Clear10917049N 596 [HI]30.18
Monroe Cnty TN13:55Mostly Cloudy10916846N 6G1395 [HI]30.16
Morristown TN13:55Partly Cloudy10877362NW 594 [HI]30.18
Oak Ridge TN13:53Clear10937047VRB 399 [HI]30.18
Tazewell Cnty VA13:55Overcast10776874CALM-30.28
Tri-Cities TN13:53Partly Cloudy10896951VRB 394 [HI]30.20
Wise VA13:55Partly Cloudy10806865NW 6-30.28
Greeneville, TN13:55Mostly Clear10866958W 3-30.20


Local Weather History For September 18th...
In 2012, 3-6" rain soaked the area flooding roads. Cars were stranded in Knoxville.

 

 

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