National Weather Service United States Department of Commerce

Heat the Southwest; Fire Weather in the Central U.S.; Kona Low Impacting Hawaii

A rare March heat wave is ongoing with much above-normal temperatures over the Southwest U.S. through this weekend. Periods of critical fire weather will persist from the central Rockies to the central and southern Plains through the weekend as gusty winds and low relative humidity continue. A Kona low will continue to bring several rounds of moderate to heavy rainfall to Hawaii through Sunday. Read More >

Click a location below for detailed forecast.

Last Map Update: Fri, Mar 20, 2026 at 9:30:20 am EDT

 

5 Day Outlook.
Warming trend will continue into the weekend with spring-like temperatures. There's a chance of showers and possibly a thunderstorm for Saturday, Sunday night, and Monday morning. Cool temperatures are anticipated for early next week.
Warming trend will continue into the weekend with spring-like temperatures. There's a chance of showers and possibly a thunderstorm for Saturday, Sunday night, and Monday morning. Cool temperatures are anticipated for early next week.
Warming trend will continue into the weekend with spring-like temperatures. There's a chance of showers and possibly a thunderstorm for Saturday, Sunday night, and Monday morning. Cool temperatures are anticipated for early next week.

 Current Weather Observations...
Location Time
(EDT)
Weather Vsby.
(SM)
Temp.
(ºF)
Dewpt.
(ºF)
Hum.
(%)
Wind
(mph)
Wind Chill / Heat Index
(ºF)
Pres.
(in)
Abingdon VA09:15Clear10443570ENE 640 [WC]30.18
Andrews-Murphy NC15:58Overcast10371540W 930 [WC]30.14
Chattanooga TN08:53Partly Cloudy9474179ESE 3-30.19
Crossville TN08:53Clear10524063SSW 5-30.17
Dalton GA09:15Clear10464284CALM-30.21
Knoxville TN (McGhee-Tyson)08:53Mostly Clear10443776CALM-30.17
Middlesboro KY08:55Clear10363593CALM-30.18
Monroe Cnty TN09:15Clear10484487CALM-30.18
Morristown TN09:15-
Oak Ridge TN08:53Clear10453670CALM-30.19
Tazewell Cnty VA09:15Clear10493251SW 6-30.16
Tri-Cities TN08:53Partly Cloudy9373488CALM-30.19
Wise VA09:15Clear10503557SSW 8-30.15
Greeneville, TN09:15Clear10503557CALM-30.16


Local Weather History For March 20th...
In 1998, storms hit the TN valley with $138,000 wind damage. 4 injured in Dayton.

 

 

Briefing Hydrology Past Weather Events Graphical Hazardous Weather Outlook for East Tennessee East Tennessee Observations
Decision Support Hydrology Past Weather Events GHWO Observations Gridded Forecast
Daily Climate for Middle Tennessee Local East Tennessee Climate Tornado Database Tropical Weather Information NOAA Weather Radio
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Daily Climate for Middle Tennessee Probabilistic Data for East Tennessee Virtual Tour of the NWS Morristown Office Skywarn Spotter Training for East Tennessee  
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