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.

Fair

70°F

21°C

Humidity 94%
Wind Speed Calm
Barometer NA
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Last update 18 Sep 3:35 am CDT
Extended Forecast for

7 Miles SSE Shelbyville TN

Heat Advisory September 18, 03:51am until September 20, 07:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory September 18, 03:51am until September 20, 07:00pm

    NOW until 7:00pm Sun

    Heat Advisory

  • Overnight

    Low: 72 °F

    Mostly Clear

  • Friday

    Friday: Sunny and hot, with a high near 98. Heat index values as high as 104. Calm wind becoming north around 5 mph in the afternoon.

    High: 98 °F

    Hot

  • Friday Night

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

    Low: 71 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny and hot, with a high near 98. Heat index values as high as 104. Calm wind becoming north northwest around 5 mph in the afternoon.

    High: 98 °F

    Hot

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 70. Calm wind becoming south around 5 mph.

    Low: 70 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 96. South southeast wind around 5 mph becoming west southwest in the afternoon.

    High: 96 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 69. Calm wind becoming south around 5 mph.

    Low: 69 °F

    Mostly Clear

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 96. Southwest wind around 5 mph.

    High: 96 °F

    Sunny then
    Chance
    T-storms

Detailed Forecast

Overnight
Mostly clear, with a low around 72. Calm wind.
Friday
Sunny and hot, with a high near 98. Heat index values as high as 104. Calm wind becoming north around 5 mph in the afternoon.
Friday Night
Mostly clear, with a low around 71. Calm wind.
Saturday
Sunny and hot, with a high near 98. Heat index values as high as 104. Calm wind becoming north northwest around 5 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 70. Calm wind becoming south around 5 mph.
Sunday
Mostly sunny, with a high near 96. South southeast wind around 5 mph becoming west southwest in the afternoon.
Sunday Night
Mostly clear, with a low around 69. Calm wind becoming south around 5 mph.
Monday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 96. Southwest wind around 5 mph.
Monday Night
A chance of showers and thunderstorms before 1am, then a slight chance of showers. Partly cloudy, with a low around 67. Southwest wind around 5 mph becoming calm. Chance of precipitation is 50%.
Tuesday
A 50 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 92.
Tuesday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 63.
Wednesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 86.
Wednesday Night
Partly cloudy, with a low around 59.
Thursday
Mostly sunny, with a high near 83.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
7 Miles SSE Shelbyville TN
 35.38°N 86.4°W (Elev. 922 ft)
Last Update:
1:31 am CDT Sep 18, 2026
Forecast Valid:
3am CDT Sep 18, 2026-6pm CDT Sep 24, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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