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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 5:16:26 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 VA16:55Partly Cloudy10806254NW 7-30.03
Andrews-Murphy NC16:35Clear10856550NE 3-30.03
Chattanooga TN16:53Mostly Clear10916643CALM94 [HI]29.99
Crossville TN16:53Mostly Clear10816354W 7-30.08
Dalton GA16:55Partly Cloudy10907051N 795 [HI]29.99
Knoxville TN (McGhee-Tyson)16:53Partly Cloudy10896748SW 992 [HI]29.98
Middlesboro KY16:55Clear10886851NW 891 [HI]30.01
Monroe Cnty TN16:35Mostly Clear10877158WNW 793 [HI]30.00
Morristown TN16:55Mostly Cloudy8847370W 7-30.00
Oak Ridge TN16:53Mostly Clear10916643-30.00
Tazewell Cnty VA12:35Mostly Cloudy10746369NNW 7-30.11
Tri-Cities TN16:53Mostly Cloudy10866855VRB 5-30.00
Wise VA16:55Mostly Cloudy10776465NW 7-30.08
Greeneville, TN16:3510846962WNW 9-30.01


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

 

 

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