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.

Fog

70°F

21°C

Humidity 100%
Wind Speed Calm
Barometer 30.08 in
Dewpoint 70°F (21°C)
Visibility 0.25 mi
Last update 14 Jul 5:15 am CDT
Extended Forecast for

Tullahoma TN

  • Today

    Today: A 40 percent chance of showers and thunderstorms, mainly after 2pm. Patchy fog before 8am. Otherwise, mostly sunny, with a high near 90. Heat index values as high as 97. Calm wind becoming west southwest around 5 mph.

    High: 90 °F

    Patchy Fog
    then Chance
    T-storms

  • Tonight

    Tonight: Areas of fog after midnight. Otherwise, partly cloudy, with a low around 71. Calm wind.

    Low: 71 °F

    Partly Cloudy
    then Areas
    Fog

  • Tuesday

    Tuesday: Patchy fog before 8am. Otherwise, mostly sunny, with a high near 92. Heat index values as high as 98. Calm wind becoming southwest around 5 mph.

    High: 92 °F

    Patchy Fog
    then Mostly
    Sunny

  • Tuesday Night

    Tuesday Night: Patchy fog after midnight. Otherwise, partly cloudy, with a low around 72. Calm wind.

    Low: 72 °F

    Partly Cloudy
    then Patchy
    Fog

  • Wednesday

    Wednesday: A 50 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 91. Calm wind becoming southwest around 5 mph.

    High: 91 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 72. Calm wind.

    Low: 72 °F

    Slight Chance
    T-storms

  • Thursday

    Thursday: A 50 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 91. Calm wind becoming south around 5 mph in the morning.

    High: 91 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 72. South wind around 5 mph becoming calm.

    Low: 72 °F

    Slight Chance
    T-storms

  • Friday

    Friday: A slight chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly sunny, with a high near 90. South southwest wind around 5 mph. Chance of precipitation is 60%.

    High: 90 °F

    Slight Chance
    T-storms then
    Showers
    Likely

Detailed Forecast

Today
A 40 percent chance of showers and thunderstorms, mainly after 2pm. Patchy fog before 8am. Otherwise, mostly sunny, with a high near 90. Heat index values as high as 97. Calm wind becoming west southwest around 5 mph.
Tonight
Areas of fog after midnight. Otherwise, partly cloudy, with a low around 71. Calm wind.
Tuesday
Patchy fog before 8am. Otherwise, mostly sunny, with a high near 92. Heat index values as high as 98. Calm wind becoming southwest around 5 mph.
Tuesday Night
Patchy fog after midnight. Otherwise, partly cloudy, with a low around 72. Calm wind.
Wednesday
A 50 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 91. Calm wind becoming southwest around 5 mph.
Wednesday Night
A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 72. Calm wind.
Thursday
A 50 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 91. Calm wind becoming south around 5 mph in the morning.
Thursday Night
A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 72. South wind around 5 mph becoming calm.
Friday
A slight chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly sunny, with a high near 90. South southwest wind around 5 mph. Chance of precipitation is 60%.
Friday Night
A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 72.
Saturday
Showers and thunderstorms likely. Mostly sunny, with a high near 90. Chance of precipitation is 60%.
Saturday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 71.
Sunday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89.
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ABOUT THIS FORECAST

 
Point Forecast:
Tullahoma TN
 35.37°N 86.18°W (Elev. 1056 ft)
Last Update:
12:30 am CDT Jul 14, 2025
Forecast Valid:
5am CDT Jul 14, 2025-6pm CDT Jul 20, 2025
 
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