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

93°F

34°C

Humidity 41%
Wind Speed E 5 mph
Barometer 29.94 in
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Heat Index96°F (36°C)
Last update 19 Aug 5:15 pm CDT
Extended Forecast for

Normandy TN

Heat Advisory August 19, 05:37pm until August 19, 07:00pm
Click here for hazard details and duration
...
  •  
    Heat Advisory August 19, 05:37pm until August 19, 07:00pm

    NOW until 7:00pm Tue

    Heat Advisory

  • Tonight

    Low: 72 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Wednesday

    Wednesday: Showers and thunderstorms likely, mainly between 2pm and 4pm, then showers likely and possibly a thunderstorm after 4pm. Patchy fog before 7am. Otherwise, mostly sunny, with a high near 91. Heat index values as high as 101. Calm wind becoming north around 5 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    High: 91 °F

    Chance
    T-storms and
    Patchy Fog
    then T-storms
    Likely

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 11pm. Partly cloudy, with a low around 69. North northeast wind around 5 mph becoming calm. Chance of precipitation is 30%.

    Low: 69 °F

    Chance
    T-storms then
    Partly Cloudy

  • Thursday

    Thursday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 87. Calm wind becoming north around 5 mph in the morning.

    High: 87 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 66. North wind around 5 mph becoming calm in the evening.

    Low: 66 °F

    Partly Cloudy

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 90. Calm wind becoming north around 5 mph.

    High: 90 °F

    Mostly Sunny
    then Chance
    T-storms

  • Friday Night

    Friday Night: Mostly clear, with a low around 68. Calm wind.

    Low: 68 °F

    Mostly Clear

  • Saturday

    Saturday: A 40 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 88. Calm wind becoming northeast around 5 mph.

    High: 88 °F

    Chance
    T-storms

Detailed Forecast

Tonight
A 20 percent chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 72. Calm wind.
Wednesday
Showers and thunderstorms likely, mainly between 2pm and 4pm, then showers likely and possibly a thunderstorm after 4pm. Patchy fog before 7am. Otherwise, mostly sunny, with a high near 91. Heat index values as high as 101. Calm wind becoming north around 5 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday Night
A chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 11pm. Partly cloudy, with a low around 69. North northeast wind around 5 mph becoming calm. Chance of precipitation is 30%.
Thursday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 87. Calm wind becoming north around 5 mph in the morning.
Thursday Night
Partly cloudy, with a low around 66. North wind around 5 mph becoming calm in the evening.
Friday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 90. Calm wind becoming north around 5 mph.
Friday Night
Mostly clear, 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 88. Calm wind becoming northeast around 5 mph.
Saturday Night
Partly cloudy, with a low around 67. Calm wind.
Sunday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 87.
Sunday Night
Mostly clear, with a low around 60.
Monday
Sunny, with a high near 82.
Monday Night
Partly cloudy, with a low around 57.
Tuesday
Mostly sunny, with a high near 80.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Normandy TN
 35.44°N 86.26°W (Elev. 850 ft)
Last Update:
12:28 pm CDT Aug 19, 2025
Forecast Valid:
5pm CDT Aug 19, 2025-6pm CDT Aug 26, 2025
 
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