National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Tullahoma Regional Airport/William Northern Field (KTHA)

Lat: 35.38°NLon: 86.25°WElev: 1083ft.

Fair

86°F

30°C

Humidity 49%
Wind Speed E 5 mph
Barometer 29.96 in
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Heat Index88°F (31°C)
Last update 19 Aug 6:15 pm CDT
Extended Forecast for

9 Miles NW Lynchburg TN

  • Tonight

    Tonight: A 40 percent chance of showers and thunderstorms, mainly after 4am. Partly cloudy, with a low around 71. South southeast wind around 5 mph becoming west southwest after midnight.

    Low: 71 °F

    Partly Cloudy
    then Chance
    T-storms

  • Thursday

    Thursday: A chance of showers and thunderstorms before 10am, then a slight chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 91. Heat index values as high as 97. East northeast wind around 5 mph becoming west southwest in the afternoon. Chance of precipitation is 40%.

    High: 91 °F

    Chance
    T-storms

  • Thursday Night

    Thursday Night: A 50 percent chance of showers and thunderstorms, mainly after 5am. Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 70. Calm wind. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 70 °F

    Chance
    T-storms and
    Patchy Fog

  • Friday

    Friday: A chance of showers and thunderstorms before 7am, then a chance of showers between 7am and 10am, then a chance of showers and thunderstorms after 10am. Patchy fog before 9am. Otherwise, mostly sunny, with a high near 88. Calm wind becoming west northwest around 5 mph in the afternoon. Chance of precipitation is 40%.

    High: 88 °F

    Chance
    T-storms and
    Patchy Fog

  • Friday Night

    Friday Night: Patchy fog after 1am. Otherwise, mostly clear, with a low around 67. Calm wind.

    Low: 67 °F

    Partly Cloudy
    then Patchy
    Fog

  • Saturday

    Saturday: Areas of fog before 8am. Otherwise, sunny, with a high near 89. Calm wind becoming north northwest around 5 mph in the afternoon.

    High: 89 °F

    Areas Fog
    then 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 88. Calm wind becoming north around 5 mph in the afternoon.

    High: 88 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 65. North wind around 5 mph becoming calm.

    Low: 65 °F

    Partly Cloudy

Detailed Forecast

Tonight
A 40 percent chance of showers and thunderstorms, mainly after 4am. Partly cloudy, with a low around 71. South southeast wind around 5 mph becoming west southwest after midnight.
Thursday
A chance of showers and thunderstorms before 10am, then a slight chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 91. Heat index values as high as 97. East northeast wind around 5 mph becoming west southwest in the afternoon. Chance of precipitation is 40%.
Thursday Night
A 50 percent chance of showers and thunderstorms, mainly after 5am. Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 70. Calm wind. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
A chance of showers and thunderstorms before 7am, then a chance of showers between 7am and 10am, then a chance of showers and thunderstorms after 10am. Patchy fog before 9am. Otherwise, mostly sunny, with a high near 88. Calm wind becoming west northwest around 5 mph in the afternoon. Chance of precipitation is 40%.
Friday Night
Patchy fog after 1am. Otherwise, mostly clear, with a low around 67. Calm wind.
Saturday
Areas of fog before 8am. Otherwise, sunny, with a high near 89. Calm wind becoming north northwest around 5 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 66. Calm wind.
Sunday
Sunny, with a high near 88. Calm wind becoming north around 5 mph in the afternoon.
Sunday Night
Partly cloudy, with a low around 65. North wind around 5 mph becoming calm.
Monday
Mostly sunny, with a high near 88.
Monday Night
Mostly clear, with a low around 66.
Tuesday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 90.
Tuesday Night
A 20 percent chance of showers and thunderstorms. Mostly clear, with a low around 69.
Wednesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 92.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
9 Miles NW Lynchburg TN
 35.37°N 86.49°W (Elev. 1099 ft)
Last Update:
1:31 pm CDT Aug 19, 2026
Forecast Valid:
6pm CDT Aug 19, 2026-6pm CDT Aug 26, 2026
 
Forecast Discussion
 
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Additional Resources

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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