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

72°F

22°C

Humidity 88%
Wind Speed Calm
Barometer NA
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Last update 17 Sep 2:15 am CDT
Extended Forecast for

4 Miles ESE Normandy TN

Heat Advisory September 17, 02:31am until September 19, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory September 17, 02:31am until September 19, 08:00pm

    NOW until 8:00pm Sat

    Heat Advisory

  • Overnight

    Low: 70 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 97. Heat index values as high as 104. Calm wind becoming northeast around 5 mph in the afternoon.

    High: 97 °F

    Hot

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 72. Calm wind.

    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 70. Calm wind.

    Low: 70 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny and hot, with a high near 97. Calm wind becoming west around 5 mph.

    High: 97 °F

    Hot

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 70. Calm wind becoming south southeast around 5 mph.

    Low: 70 °F

    Partly Cloudy

  • Sunday

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

    High: 96 °F

    Sunny

Detailed Forecast

Overnight
Mostly clear, with a low around 70. Calm wind.
Thursday
Sunny and hot, with a high near 97. Heat index values as high as 104. Calm wind becoming northeast around 5 mph in the afternoon.
Thursday Night
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 70. Calm wind.
Saturday
Sunny and hot, with a high near 97. Calm wind becoming west around 5 mph.
Saturday Night
Partly cloudy, with a low around 70. Calm wind becoming south southeast around 5 mph.
Sunday
Sunny, with a high near 96. South wind around 5 mph becoming west southwest in the afternoon.
Sunday Night
Partly cloudy, with a low around 69. Calm wind.
Monday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 95.
Monday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 67.
Tuesday
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 92.
Tuesday Night
A 20 percent chance of showers. Partly cloudy, with a low around 65.
Wednesday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 88.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles ESE Normandy TN
 35.44°N 86.18°W (Elev. 899 ft)
Last Update:
1:31 am CDT Sep 17, 2026
Forecast Valid:
2am CDT Sep 17, 2026-6pm CDT Sep 23, 2026
 
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