Thunderstorms and Heavy Rain in the Mid-South; Heat Continues in the Southeast and Southwest

Severe thunderstorms and heavy rain are expected across portions of the mid-Mississippi Valley into the Ohio Valley and portions of Arizona. Dangerous heat persists in the South and Southeast while building into the Southwest. Overnight lows will be so warm that, when combined with oppressive dew points, little-to-no relief from the scorching daytime highs will be available. Read More >

Current conditions at

Jacksboro Campbell County Airport (KJAU)

Lat: 36.33°NLon: 84.16°WElev: 1180ft.

Fair

64°F

18°C

Humidity 100%
Wind Speed Calm
Barometer 30.00 in
Dewpoint 64°F (18°C)
Visibility 8.00 mi
Last update 19 Aug 5:35 am EDT
Extended Forecast for

4 Miles NW Maynardville TN

  • Today

    Today: Patchy fog between 7am and 8am.  Otherwise, sunny, with a high near 88. Calm wind.

    High: 88 °F

    Patchy Fog
    then Sunny

  • Tonight

    Tonight: Mostly clear, then becoming mostly cloudy toward daybreak, with a low around 70. Calm wind.

    Low: 70 °F

    Mostly Cloudy

  • Thursday

    Thursday: Showers and thunderstorms likely before 3pm, then a chance of thunderstorms after 4pm.  Cloudy, then gradually becoming mostly sunny, with a high near 86. Calm wind becoming south around 5 mph in the afternoon.  Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 86 °F

    Showers
    Likely then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 68. North wind around 5 mph becoming calm.  Chance of precipitation is 50%.

    Low: 68 °F

    Chance
    T-storms then
    Chance
    Showers

  • Friday

    Friday: A chance of showers, with thunderstorms also possible after 11am.  Partly sunny, with a high near 85. Calm wind.  Chance of precipitation is 50%.

    High: 85 °F

    Chance
    Showers then
    Chance
    T-storms

  • Friday Night

    Friday Night: A chance of thunderstorms before 8pm.  Partly cloudy, with a low around 67. Calm wind.  Chance of precipitation is 30%.

    Low: 67 °F

    Chance
    T-storms then
    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 86. Calm wind becoming west around 5 mph.

    High: 86 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 66.

    Low: 66 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 85.

    High: 85 °F

    Mostly Sunny

Detailed Forecast

Today
Patchy fog between 7am and 8am. Otherwise, sunny, with a high near 88. Calm wind.
Tonight
Mostly clear, then becoming mostly cloudy toward daybreak, with a low around 70. Calm wind.
Thursday
Showers and thunderstorms likely before 3pm, then a chance of thunderstorms after 4pm. Cloudy, then gradually becoming mostly sunny, with a high near 86. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 68. North wind around 5 mph becoming calm. Chance of precipitation is 50%.
Friday
A chance of showers, with thunderstorms also possible after 11am. Partly sunny, with a high near 85. Calm wind. Chance of precipitation is 50%.
Friday Night
A chance of thunderstorms before 8pm. Partly cloudy, with a low around 67. Calm wind. Chance of precipitation is 30%.
Saturday
Mostly sunny, with a high near 86. Calm wind becoming west around 5 mph.
Saturday Night
Partly cloudy, with a low around 66.
Sunday
Mostly sunny, with a high near 85.
Sunday Night
Mostly clear, with a low around 64.
Monday
Mostly sunny, with a high near 85.
Monday Night
Partly cloudy, with a low around 64.
Tuesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 87.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NW Maynardville TN
 36.27°N 83.85°W (Elev. 1286 ft)
2:26 am EDT Aug 19, 2026
6am EDT Aug 19, 2026-6pm EDT Aug 25, 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