National Weather Service United States Department of Commerce

Thunderstorms from the Plains into the Central Appalachians; Heavy Rain in the Central Gulf Coast; Heat Across Portions of the East

Widespread showers and thunderstorms are likely from from northeast New Mexico/Southeast Colorado, eastward into the Central Plains through the Central Appalachians. Slow moving low to bring heavy rainfall to the Central Gulf Coast into the weekend. Dangerous heat is expected from the Lower Mississippi Valley, Tennessee Valley, Ohio Valley into the Mid-Atlantic and Northeast. Read More >

Click a location below for detailed forecast.

Last Map Update: Thu, Jul 17, 2025 at 2:16:43 am EDT

 

Hot and muggy conditions will continue throughout much of the week. Heat indices from 100 to 105 degrees is expected over the Tennessee valley.
A summer pattern will continue through the week with hot and muggy afternoons and evening. An increase in coverage of storms is anticipated this weekend into early next week. Hot and humid conditions will also continue with highs in the 90s and heat index values near 100, mainly in Valley locations.
A summer pattern will continue through the week with hot and muggy afternoons and evening. An increase in coverage of storms is anticipated this weekend into early next week. Hot and humid conditions will also continue with highs in the 90s and heat index values near 100, mainly in Valley locations.
A summer pattern will continue through the week with hot and muggy afternoons and evening. An increase in coverage of storms is anticipated this weekend into early next week. Hot and humid conditions will also continue with highs in the 90s and heat index values near 100, mainly in Valley locations.
Daily climate data (normals and records) for today for the sites plotted. The current normals period is 1991-2020.

 Current Weather Observations...
Location Time
(EDT)
Weather Vsby.
(SM)
Temp.
(ºF)
Dewpt.
(ºF)
Hum.
(%)
Wind
(mph)
Wind Chill / Heat Index
(ºF)
Pres.
(in)
Abingdon VA01:55Partly Cloudy106969100W 2-30.14
Andrews-Murphy NC01:45Overcast10716995CALM-30.16
Chattanooga TN01:53Clear10817171SW 3-30.06
Crossville TN01:53Light Rain \ Lightning Observed9717096W 6-30.13
Dalton GA01:55Mostly Cloudy10767494CALM-30.05
Knoxville TN (McGhee-Tyson)01:53Cumulonimbus Clouds, Lightning Observed10816967S 8-30.06
Middlesboro KY01:55Light Rain With Thunder In The Vicinity \ Lightning Observed10737296NNE 3-30.09
Monroe Cnty TN01:35Overcast107575100CALM-30.08
Morristown TN10:30VRB 5-30.10
Oak Ridge TN01:53Overcast10817376VRB 3-30.08
Tazewell Cnty VA01:55Light Drizzle \ Lightning Observed10696793SW 5-30.17
Tri-Cities TN01:53Light Rain With Thunder \ Mist \ Cumulonimbus Clouds, Lightning Observed47070100N 3-30.12
Wise VA01:55Light Rain With Thunder In The Vicinity \ Lightning Observed106868100WSW 10-30.17
Greeneville, TN01:35Mostly Cloudy10776978VRB 5-30.10


Local Weather History For July 17th...
In 2013, storms hit on 5 straight days with damaging wind, quarter-size hail and flooding.

 

 

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