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Dangerous Fire Conditions in the Southern High Plains; Severe Weather from the Great Lakes into Central/Southern Plains; Late-Season Mountain Snow

Dry and windy conditions will produce dangerous fire weather conditions across the southern High Plains into the Southwest. Severe storms, including very large hail, strong tornadoes, and winds, are expected from the Great Lakes into the central/southern Plains. Heavy late-season snow and cold temperatures are expected in the northern to central Rockies. Heat is spreading across the eastern U.S.. Read More >

Click a location below for detailed forecast.

Last Map Update: Thu, May 21, 2026 at 10:30:23 am EDT

 

Seasonable temperatures Thursday through Saturday, with numerous showers and thunderstorms around each day.
A wet and unsettled weather pattern will continue through the weekend. Periods of showers and afternoon thunderstorms are anticipated each day, especially during the afternoon and early evening hours. Lightning, heavy rain, and gusty winds can be expected during any thunderstorm.
A wet and unsettled weather pattern will continue through the weekend. Periods of showers and afternoon thunderstorms are anticipated each day, especially during the afternoon and early evening hours. Lightning, heavy rain, and gusty winds can be expected during any thunderstorm.
A wet and unsettled weather pattern will continue through the weekend. Periods of showers and afternoon thunderstorms are anticipated each day, especially during the afternoon and early evening hours. Lightning, heavy rain, and gusty winds can be expected during any thunderstorm.

 Current Weather Observations...
Location Time
(EDT)
Weather Vsby.
(SM)
Temp.
(ºF)
Dewpt.
(ºF)
Hum.
(%)
Wind
(mph)
Wind Chill / Heat Index
(ºF)
Pres.
(in)
Abingdon VA05:35Mostly Cloudy10646293CALM-30.11
Andrews-Murphy NC05:15Overcast10646292CALM-30.10
Chattanooga TN04:53Mostly Cloudy10696896CALM-30.04
Crossville TN04:53Mist56565100CALM-30.08
Dalton GA05:35Overcast106969100CALM-30.06
Knoxville TN (McGhee-Tyson)05:23Overcast10676696ESE 6-30.05
Middlesboro KY05:35Rain10CALM-30.09
Monroe Cnty TN05:15Mist56666100CALM-30.05
Morristown TN14:35Mostly Cloudy1824830WSW 8-
Oak Ridge TN04:53Light Rain10686589CALM-30.07
Tazewell Cnty VA05:35Clear7616198CALM-30.14
Tri-Cities TN05:00Mist66565100NNW 3-30.08
Wise VA05:35Overcast106262100CALM-30.14
Greeneville, TN05:15Mostly Cloudy10666493CALM-30.07


Local Weather History For May 21st...
In 1998, thunderstorms dropped baseball-size hail in Knoxville. No injuries.

 

 

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