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Severe Thunderstorms in the Central Plains and Lower Missouri Valley; Heat Continues in the Southeast and Southwest

Severe thunderstorms capable of large hail and damaging wind gusts are forecast to impact the central Plains into the Lower Missouri Valley through this afternoon. Dangerous heat persists across the southern Plains, Southeast U.S. and Puerto Rico this week, and will return to the Southwest today. Read More >

Click a location below for detailed forecast.

Last Map Update: Tue, Aug 18, 2026 at 6:14:50 pm EDT

 

Heading into the rest of the week, expect a transition from mostly sunny skies to scattered storms before conditions clear up for the second half of the weekend. Temperatures remain seasonable.
Dry weather and near normal temperatures will continue for Wednesday. Rain chances return on Thursday afternoon, with showers and thunderstorms expected.
Dry weather and near normal temperatures will continue for Wednesday. Rain chances return on Thursday afternoon, with showers and thunderstorms expected.
Dry weather and near normal temperatures will continue for Wednesday. Rain chances return on Thursday afternoon, with showers and thunderstorms expected.

 Current Weather Observations...
Location Time
(EDT)
Weather Vsby.
(SM)
Temp.
(ºF)
Dewpt.
(ºF)
Hum.
(%)
Wind
(mph)
Wind Chill / Heat Index
(ºF)
Pres.
(in)
Abingdon VA17:55Mostly Cloudy10806457W 5-30.04
Andrews-Murphy NC17:35Partly Cloudy10846449N 8-30.04
Chattanooga TN17:53Partly Cloudy10916643NW 894 [HI]29.98
Crossville TN17:53Clear10826250NNW 7-30.08
Dalton GA17:55Clear10897055NNW 894 [HI]29.98
Knoxville TN (McGhee-Tyson)17:53Partly Cloudy10896748WSW 792 [HI]29.98
Middlesboro KY17:35Mostly Cloudy10866853WNW 7-30.01
Monroe Cnty TN17:35Clear10876955WNW 791 [HI]30.00
Morristown TN17:55Clear9867162VRB 791 [HI]30.00
Oak Ridge TN17:53Clear10906645VRB 593 [HI]30.01
Tazewell Cnty VA12:35Mostly Cloudy10746369NNW 7-30.11
Tri-Cities TN17:53Mostly Cloudy10866651W 7-30.01
Wise VA17:55Mostly Cloudy10776465NW 6-30.09
Greeneville, TN17:3510846962VRB 6-30.01


Local Weather History For August 18th...
Slow-moving storms continued for 2 more days in 2010 bringing more flooding.

 

 

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