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

79°F

26°C

Humidity 70%
Wind Speed S 5 mph
Barometer 30.00 in
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 19 Aug 10:15 pm CDT
Extended Forecast for

2 Miles WSW Tullahoma TN

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms after 4am. Partly cloudy, with a low around 70. South southeast wind around 5 mph becoming northwest after midnight.

    Low: 70 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Thursday

    Thursday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 5pm. Partly sunny, with a high near 92. Heat index values as high as 101. East southeast wind around 5 mph becoming west northwest in the afternoon. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 92 °F

    Chance
    T-storms then
    Showers
    Likely

  • Thursday Night

    Thursday Night: Showers and thunderstorms likely before 11pm, then a chance of showers and thunderstorms after midnight. Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 69. Calm wind. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 69 °F

    Showers
    Likely and
    Patchy Fog

  • Friday

    Friday: A chance of showers, with thunderstorms also possible after 10am. Areas of fog before 9am. Otherwise, mostly sunny, with a high near 89. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 50%.

    High: 89 °F

    Chance
    Showers and
    Areas Fog
    then Chance
    T-storms

  • Friday Night

    Friday Night: Patchy fog after 11pm. Otherwise, mostly clear, with a low around 67. Calm wind.

    Low: 67 °F

    Patchy Fog

  • Saturday

    Saturday: Areas of fog before 8am. Otherwise, sunny, with a high near 90. Calm wind becoming north northwest around 5 mph in the afternoon.

    High: 90 °F

    Areas Fog
    then Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 66. North northwest wind around 5 mph becoming calm.

    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 20 percent chance of showers and thunderstorms after 4am. Partly cloudy, with a low around 70. South southeast wind around 5 mph becoming northwest after midnight.
Thursday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 5pm. Partly sunny, with a high near 92. Heat index values as high as 101. East southeast wind around 5 mph becoming west northwest in the afternoon. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Showers and thunderstorms likely before 11pm, then a chance of showers and thunderstorms after midnight. Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 69. Calm wind. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
A chance of showers, with thunderstorms also possible after 10am. Areas of fog before 9am. Otherwise, mostly sunny, with a high near 89. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 50%.
Friday Night
Patchy fog after 11pm. Otherwise, mostly clear, with a low around 67. Calm wind.
Saturday
Areas of fog before 8am. Otherwise, sunny, with a high near 90. Calm wind becoming north northwest around 5 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 66. North northwest wind around 5 mph becoming calm.
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. Partly cloudy, 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:
2 Miles WSW Tullahoma TN
 35.35°N 86.24°W (Elev. 1066 ft)
Last Update:
6:41 pm CDT Aug 19, 2026
Forecast Valid:
10pm CDT Aug 19, 2026-6pm CDT Aug 26, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation