National Oceanic and Atmospheric Administration 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 >

Hazardous Weather Conditions

Current conditions at

Jacksboro Campbell County Airport (KJAU)

Lat: 36.33°NLon: 84.16°WElev: 1180ft.

Fair

63°F

17°C

Humidity 64%
Wind Speed E 6 mph
Barometer 29.95 in
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Last update 21 Mar 9:10 am EDT
Extended Forecast for

3 Miles ESE Duff TN

  • Today

    Today: Partly sunny, with a high near 78. Calm wind becoming southwest around 5 mph.

    High: 78 °F

    Partly Sunny

  • Tonight

    Tonight: A 40 percent chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 56. Calm wind.

    Low: 56 °F

    Chance
    T-storms

  • Sunday

    Sunday: Mostly sunny, with a high near 82. Calm wind becoming southwest around 5 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 82 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A 40 percent chance of showers and thunderstorms after 2am. Increasing clouds, with a low around 54. Southwest wind around 5 mph.

    Low: 54 °F

    Partly Cloudy
    then Chance
    Showers

  • Monday

    Monday: A 30 percent chance of showers before 8am. Mostly sunny, with a high near 63. North wind around 5 mph, with gusts as high as 20 mph.

    High: 63 °F

    Chance
    Showers then
    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 39. North wind around 5 mph becoming calm.

    Low: 39 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 66. Calm wind.

    High: 66 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers, mainly after 2am. Mostly cloudy, with a low around 46.

    Low: 46 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A 30 percent chance of showers. Mostly cloudy, with a high near 63.

    High: 63 °F

    Chance
    Showers

Detailed Forecast

Today
Partly sunny, with a high near 78. Calm wind becoming southwest around 5 mph.
Tonight
A 40 percent chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 56. Calm wind.
Sunday
Mostly sunny, with a high near 82. Calm wind becoming southwest around 5 mph in the afternoon. Winds could gust as high as 20 mph.
Sunday Night
A 40 percent chance of showers and thunderstorms after 2am. Increasing clouds, with a low around 54. Southwest wind around 5 mph.
Monday
A 30 percent chance of showers before 8am. Mostly sunny, with a high near 63. North wind around 5 mph, with gusts as high as 20 mph.
Monday Night
Partly cloudy, with a low around 39. North wind around 5 mph becoming calm.
Tuesday
Partly sunny, with a high near 66. Calm wind.
Tuesday Night
A 30 percent chance of showers, mainly after 2am. Mostly cloudy, with a low around 46.
Wednesday
A 30 percent chance of showers. Mostly cloudy, with a high near 63.
Wednesday Night
A 30 percent chance of showers, mainly before 2am. Mostly cloudy, with a low around 49.
Thursday
A 20 percent chance of showers. Partly sunny, with a high near 74.
Thursday Night
A 30 percent chance of showers. Partly cloudy, with a low around 54.
Friday
A 40 percent chance of showers. Partly sunny, with a high near 70.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ESE Duff TN
 36.41°N 83.95°W (Elev. 1299 ft)
Last Update:
7:06 am EDT Mar 21, 2026
Forecast Valid:
9am EDT Mar 21, 2026-6pm EDT Mar 27, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation