Dangerous Heat over the South-Central and Southwest U.S. Through Next Week

Dangerous heat persists across the Desert Southwest through this weekend and across the Southern Plains and Lower Mississippi Valley through at least the middle of next week. Numerous daily record high temperatures are expected through at least Tuesday for much of Texas and Oklahoma as well as portions of Louisiana, New Mexico, and Arizona. Read More >

Current conditions at

Jacksboro Campbell County Airport (KJAU)

Lat: 36.33°NLon: 84.16°WElev: 1180ft.

Partly Cloudy

81°F

27°C

Humidity 79%
Wind Speed Vrbl 3 mph
Barometer 30.03 in
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index86°F (30°C)
Last update 21 Aug 1:10 pm EDT
Extended Forecast for

2 Miles NNW Maynardville TN

  • This Afternoon

    This Afternoon: A 50 percent chance of showers and thunderstorms, mainly after 2pm.  Mostly sunny, with a high near 86. Calm wind.  New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 86 °F

    Chance
    T-storms

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly before 8pm.  Partly cloudy, with a low around 68. Calm wind.

    Low: 68 °F

    Chance
    T-storms then
    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 87. Calm wind becoming west around 5 mph in the afternoon.

    High: 87 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 66. Calm wind.

    Low: 66 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 85. Calm wind becoming northwest around 5 mph in the afternoon.

    High: 85 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 61. Calm wind.

    Low: 61 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 85. Calm wind.

    High: 85 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A 20 percent chance of showers after 2am.  Partly cloudy, with a low around 61.

    Low: 61 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Tuesday

    Tuesday: A slight chance of showers, with thunderstorms also possible after 2pm.  Mostly sunny, with a high near 84. Chance of precipitation is 20%.

    High: 84 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

Detailed Forecast

This Afternoon
A 50 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 86. Calm wind. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 68. Calm wind.
Saturday
Mostly sunny, with a high near 87. Calm wind becoming west around 5 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 66. Calm wind.
Sunday
Sunny, with a high near 85. Calm wind becoming northwest around 5 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 61. Calm wind.
Monday
Mostly sunny, with a high near 85. Calm wind.
Monday Night
A 20 percent chance of showers after 2am. Partly cloudy, with a low around 61.
Tuesday
A slight chance of showers, with thunderstorms also possible after 2pm. Mostly sunny, with a high near 84. Chance of precipitation is 20%.
Tuesday Night
A slight chance of thunderstorms before 8pm. Partly cloudy, with a low around 66. Chance of precipitation is 10%.
Wednesday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 87.
Wednesday Night
A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 68.
Thursday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 87.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NNW Maynardville TN
 36.29°N 83.82°W (Elev. 1099 ft)
1:06 pm EDT Aug 21, 2026
1pm EDT Aug 21, 2026-6pm EDT Aug 27, 2026
 
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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