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Heavy Rain in the Southern Appalachians; Fire Weather and Heat in the West; Monitoring Tropical Storm Erin

Heavy to excessive rainfall over the southern Appalachians may bring areas of flooding today. Gusty winds and low relative humidity will bring critical fire weather conditions to parts of the Great Basin and northern Rockies today and Thursday. Hot to extremely hot temperatures are in place through today across parts of the western U.S. Read More >

Click a location below for detailed forecast.

Last Map Update: Wed, Aug 13, 2025 at 7:44:18 pm EDT

 

Localized flash flooding potential for much of East Tennessee, southwest North Carolina and southwest Virginia through Wednesday. Heavy rainfall rates are expected.
Scattered showers and thunderstorms Thursday then decreasing chances for Friday and Saturday. Hot and muggy conditions return.
A drier weather pattern will develop over the weekend. Scattered showers and storms will return on Thursday afternoon, lowering to isolated coverage for Friday and the rest of the weekend. Temperatures will begin to rise again, with highs in the 90s over the weekend and next week.
A drier weather pattern will develop over the weekend. Scattered showers and storms will return on Thursday afternoon, lowering to isolated coverage for Friday and the rest of the weekend. Temperatures will begin to rise again, with highs in the 90s over the weekend and next week.
A drier weather pattern will develop over the weekend. Scattered showers and storms will return on Thursday afternoon, lowering to isolated coverage for Friday and the rest of the weekend. Temperatures will begin to rise again, with highs in the 90s over the weekend and next week.
Daily climate data (normals and records) for today for the sites plotted. The current normals period is 1991-2020.
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 VA19:35Clear10736988WSW 3-30.02
Andrews-Murphy NC19:23Partly Cloudy10716788ENE 3-30.02
Chattanooga TN18:53Mostly Cloudy10787281CALM-29.94
Crossville TN18:53Clear10757084CALM-30.01
Dalton GA19:35Overcast97777100CALM-29.94
Knoxville TN (McGhee-Tyson)18:53Cumulonimbus Clouds Observed10797279WSW 6-29.94
Middlesboro KY19:35Clear10807174CALM-29.97
Monroe Cnty TN19:15Clear10787588CALM-29.96
Morristown TN10:30VRB 5-30.10
Oak Ridge TN18:53Clear10797176VRB 3-29.96
Tazewell Cnty VA19:35Clear10736886SW 5-30.05
Tri-Cities TN18:53Mostly Cloudy10797279NNW 3-29.98
Wise VA19:35Partly Cloudy10716994WSW 3-30.06
Greeneville, TN19:15Clear10787178CALM-29.98


Local Weather History For August 13th...
In 2001, heavy rain hit Greene and Cocke Counties. Wet ground aided in $1.1 million flood damage.

 

 

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