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Hazardous Weather Conditions

Current conditions at

Tullahoma Regional Airport/William Northern Field (KTHA)

Lat: 35.38°NLon: 86.25°WElev: 1083ft.

Fair

95°F

35°C

Humidity 39%
Wind Speed E 6 mph
Barometer NA
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Heat Index98°F (37°C)
Last update 20 Sep 2:15 pm CDT
Extended Forecast for

6 Miles SW Normandy TN

Heat Advisory September 20, 02:31pm until September 20, 07:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory September 20, 02:31pm until September 20, 07:00pm

    NOW until 7:00pm Sun

    Heat Advisory

  • This Afternoon

    High: 97 °F

    Slight Chance
    Showers

  • Tonight

    Tonight: A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 2am. Partly cloudy, with a low around 71. South wind around 5 mph becoming calm. Chance of precipitation is 20%.

    Low: 71 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Monday

    Monday: A slight chance of showers between 1pm and 2pm, then a slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 95. Heat index values as high as 99. South wind around 5 mph becoming west northwest in the afternoon. Chance of precipitation is 20%.

    High: 95 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Monday Night

    Monday Night: A chance of showers and thunderstorms before 4am, then a slight chance of showers between 4am and 5am. Patchy fog after 1am. Otherwise, partly cloudy, with a low around 67. Calm wind. Chance of precipitation is 40%.

    Low: 67 °F

    Chance
    T-storms then
    Chance
    Showers and
    Patchy Fog

  • Tuesday

    Tuesday: A slight chance of showers before 10am, then a slight chance of showers and thunderstorms between 10am and 1pm, then showers likely and possibly a thunderstorm after 1pm. Patchy fog before 9am. Otherwise, mostly sunny, with a high near 90. Calm wind becoming north around 5 mph in the afternoon. Chance of precipitation is 60%.

    High: 90 °F

    Slight Chance
    T-storms and
    Patchy Fog
    then Showers
    Likely

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers before 1am. Partly cloudy, with a low around 64. North northeast wind around 5 mph becoming calm in the evening.

    Low: 64 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Patchy fog before 8am. Otherwise, mostly sunny, with a high near 84. Light north wind increasing to 5 to 10 mph in the morning. Chance of precipitation is 30%.

    High: 84 °F

    Chance
    Showers and
    Patchy Fog

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 60. North wind around 5 mph becoming calm in the evening.

    Low: 60 °F

    Partly Cloudy

Detailed Forecast

This Afternoon
A 20 percent chance of showers after 3pm. Mostly sunny and hot, with a high near 97. Heat index values as high as 101. South southwest wind around 5 mph.
Tonight
A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 2am. Partly cloudy, with a low around 71. South wind around 5 mph becoming calm. Chance of precipitation is 20%.
Monday
A slight chance of showers between 1pm and 2pm, then a slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 95. Heat index values as high as 99. South wind around 5 mph becoming west northwest in the afternoon. Chance of precipitation is 20%.
Monday Night
A chance of showers and thunderstorms before 4am, then a slight chance of showers between 4am and 5am. Patchy fog after 1am. Otherwise, partly cloudy, with a low around 67. Calm wind. Chance of precipitation is 40%.
Tuesday
A slight chance of showers before 10am, then a slight chance of showers and thunderstorms between 10am and 1pm, then showers likely and possibly a thunderstorm after 1pm. Patchy fog before 9am. Otherwise, mostly sunny, with a high near 90. Calm wind becoming north around 5 mph in the afternoon. Chance of precipitation is 60%.
Tuesday Night
A 30 percent chance of showers before 1am. Partly cloudy, with a low around 64. North northeast wind around 5 mph becoming calm in the evening.
Wednesday
A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Patchy fog before 8am. Otherwise, mostly sunny, with a high near 84. Light north wind increasing to 5 to 10 mph in the morning. Chance of precipitation is 30%.
Wednesday Night
Partly cloudy, with a low around 60. North wind around 5 mph becoming calm in the evening.
Thursday
Mostly sunny, with a high near 81. Calm wind becoming north around 5 mph in the morning.
Thursday Night
Partly cloudy, with a low around 59.
Friday
Mostly sunny, with a high near 82.
Friday Night
Partly cloudy, with a low around 56.
Saturday
Mostly sunny, with a high near 82.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
6 Miles SW Normandy TN
 35.4°N 86.32°W (Elev. 899 ft)
Last Update:
1:31 pm CDT Sep 20, 2026
Forecast Valid:
2pm CDT Sep 20, 2026-6pm CDT Sep 26, 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