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

75°F

24°C

Humidity 89%
Wind Speed Calm
Barometer 30.03 in
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Last update 19 Aug 2:55 am CDT
Extended Forecast for

4 Miles SW Summitville TN

  • Overnight

    Overnight: Mostly clear, with a low around 71. Calm wind.

    Low: 71 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 92. Heat index values as high as 100. Calm wind becoming south around 5 mph.

    High: 92 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 72. Calm wind becoming south around 5 mph.

    Low: 72 °F

    Mostly Clear

  • Wednesday

    Wednesday: A slight chance of showers, then a chance of showers and thunderstorms after 10am. Mostly sunny, with a high near 90. Heat index values as high as 98. Calm wind becoming northwest around 5 mph in the afternoon. Chance of precipitation is 50%.

    High: 90 °F

    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Partly cloudy, with a low around 68. North wind around 5 mph becoming calm. Chance of precipitation is 20%.

    Low: 68 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Thursday

    Thursday: A 30 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 85. Calm wind becoming north around 5 mph in the morning.

    High: 85 °F

    Partly Sunny
    then Chance
    T-storms

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 67. North wind around 5 mph becoming calm in the evening.

    Low: 67 °F

    Partly Cloudy

  • Friday

    Friday: A 40 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 85. Calm wind becoming northeast around 5 mph.

    High: 85 °F

    Chance
    T-storms

  • Friday Night

    Friday Night: A 20 percent chance of showers after 1am. Partly cloudy, with a low around 68. Calm wind.

    Low: 68 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

Detailed Forecast

Overnight
Mostly clear, with a low around 71. Calm wind.
Tuesday
Sunny, with a high near 92. Heat index values as high as 100. Calm wind becoming south around 5 mph.
Tuesday Night
Mostly clear, with a low around 72. Calm wind becoming south around 5 mph.
Wednesday
A slight chance of showers, then a chance of showers and thunderstorms after 10am. Mostly sunny, with a high near 90. Heat index values as high as 98. Calm wind becoming northwest around 5 mph in the afternoon. Chance of precipitation is 50%.
Wednesday Night
A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Partly cloudy, with a low around 68. North wind around 5 mph becoming calm. Chance of precipitation is 20%.
Thursday
A 30 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 85. Calm wind becoming north around 5 mph in the morning.
Thursday Night
Partly cloudy, with a low around 67. North wind around 5 mph becoming calm in the evening.
Friday
A 40 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 85. Calm wind becoming northeast around 5 mph.
Friday Night
A 20 percent chance of showers after 1am. Partly cloudy, with a low around 68. Calm wind.
Saturday
A 40 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 84.
Saturday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 66.
Sunday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 84.
Sunday Night
Mostly clear, with a low around 60.
Monday
Sunny, with a high near 80.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SW Summitville TN
 35.5°N 86.01°W (Elev. 1099 ft)
Last Update:
12:30 am CDT Aug 19, 2025
Forecast Valid:
3am CDT Aug 19, 2025-6pm CDT Aug 25, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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