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

Hazardous Weather Conditions

Current conditions at

Tullahoma Regional Airport/William Northern Field (KTHA)

Lat: 35.38°NLon: 86.25°WElev: 1083ft.

Mostly Cloudy

90°F

32°C

Humidity 52%
Wind Speed Calm
Barometer 30.31 in
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index96°F (36°C)
Last update 16 Sep 1:15 pm CDT
Extended Forecast for

4 Miles NNE Hillsboro TN

Heat Advisory September 16, 01:34pm until September 19, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory September 16, 01:34pm until September 19, 08:00pm

    NOW until 8:00pm Sat

    Heat Advisory

  • This Afternoon

    High: 95 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 72. Calm wind becoming southeast around 5 mph.

    Low: 72 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 96. Heat index values as high as 101. Calm wind becoming north northwest around 5 mph in the afternoon.

    High: 96 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 73. Calm wind.

    Low: 73 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 96. Calm wind becoming north around 5 mph in the afternoon.

    High: 96 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 72. Calm wind.

    Low: 72 °F

    Partly Cloudy

  • Saturday

    Saturday: A 30 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 95. Calm wind.

    High: 95 °F

    Sunny then
    Chance
    T-storms

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 72. Calm wind becoming south southeast around 5 mph after midnight.

    Low: 72 °F

    Partly Cloudy

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 95. Heat index values as high as 100. Calm wind becoming north northeast around 5 mph.
Tonight
Mostly clear, with a low around 72. Calm wind becoming southeast around 5 mph.
Thursday
Sunny, with a high near 96. Heat index values as high as 101. Calm wind becoming north northwest around 5 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 73. Calm wind.
Friday
Sunny, with a high near 96. Calm wind becoming north around 5 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 72. Calm wind.
Saturday
A 30 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 95. Calm wind.
Saturday Night
Partly cloudy, with a low around 72. Calm wind becoming south southeast around 5 mph after midnight.
Sunday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 94. South wind around 5 mph becoming calm in the afternoon.
Sunday Night
Partly cloudy, with a low around 72.
Monday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 94.
Monday Night
A 30 percent chance of showers. Partly cloudy, with a low around 70.
Tuesday
Showers likely and possibly a thunderstorm. Mostly sunny, with a high near 91. Chance of precipitation is 60%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NNE Hillsboro TN
 35.4°N 85.93°W (Elev. 1079 ft)
Last Update:
1:31 pm CDT Sep 16, 2026
Forecast Valid:
1pm CDT Sep 16, 2026-6pm CDT Sep 22, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation