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

Tullahoma Regional Airport/William Northern Field (KTHA)

Lat: 35.38°NLon: 86.25°WElev: 1083ft.

Mostly Cloudy

79°F

26°C

Humidity 74%
Wind Speed S 5 mph
Barometer NA
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 21 Sep 8:35 am CDT
Extended Forecast for

Normandy TN

  • Today

    Today: Mostly sunny, with a high near 95. Heat index values as high as 101. South wind around 5 mph becoming west northwest in the afternoon.

    High: 95 °F

    Mostly Sunny

  • Tonight

    Tonight: A chance of showers and thunderstorms before 3am, then a slight chance of showers after 4am. Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 66. Calm wind. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 66 °F

    Chance
    T-storms and
    Patchy Fog

  • Tuesday

    Tuesday: A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Areas of fog before 10am. Otherwise, mostly sunny, with a high near 89. Calm wind becoming north northeast around 5 mph in the afternoon. Chance of precipitation is 40%.

    High: 89 °F

    Slight Chance
    Showers and
    Areas Fog
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers before 1am. Partly cloudy, with a low around 63. North wind around 5 mph becoming calm in the evening.

    Low: 63 °F

    Slight Chance
    Showers

  • Wednesday

    Wednesday: A slight chance of showers before 1pm, then a slight chance of showers and thunderstorms between 1pm and 4pm, then a slight chance of showers after 4pm. Mostly sunny, with a high near 84. Light north wind increasing to 5 to 10 mph in the afternoon. Chance of precipitation is 20%.

    High: 84 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Patchy fog after midnight. Otherwise, partly cloudy, with a low around 60. North wind around 5 mph becoming calm in the evening.

    Low: 60 °F

    Partly Cloudy
    then Patchy
    Fog

  • Thursday

    Thursday: Patchy fog before 9am. Otherwise, mostly sunny, with a high near 81. Calm wind becoming north around 5 mph in the afternoon.

    High: 81 °F

    Patchy Fog
    then Mostly
    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 58. North northeast wind around 5 mph becoming calm in the evening.

    Low: 58 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 81. Light north wind increasing to 5 to 10 mph in the afternoon.

    High: 81 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 95. Heat index values as high as 101. South wind around 5 mph becoming west northwest in the afternoon.
Tonight
A chance of showers and thunderstorms before 3am, then a slight chance of showers after 4am. Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 66. Calm wind. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday
A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Areas of fog before 10am. Otherwise, mostly sunny, with a high near 89. Calm wind becoming north northeast around 5 mph in the afternoon. Chance of precipitation is 40%.
Tuesday Night
A 20 percent chance of showers before 1am. Partly cloudy, with a low around 63. North wind around 5 mph becoming calm in the evening.
Wednesday
A slight chance of showers before 1pm, then a slight chance of showers and thunderstorms between 1pm and 4pm, then a slight chance of showers after 4pm. Mostly sunny, with a high near 84. Light north wind increasing to 5 to 10 mph in the afternoon. Chance of precipitation is 20%.
Wednesday Night
Patchy fog after midnight. Otherwise, partly cloudy, with a low around 60. North wind around 5 mph becoming calm in the evening.
Thursday
Patchy fog before 9am. Otherwise, mostly sunny, with a high near 81. Calm wind becoming north around 5 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 58. North northeast wind around 5 mph becoming calm in the evening.
Friday
Mostly sunny, with a high near 81. Light north wind increasing to 5 to 10 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 54.
Saturday
Sunny, with a high near 83.
Saturday Night
Partly cloudy, with a low around 54.
Sunday
Mostly sunny, with a high near 84.
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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:
5:11 am CDT Sep 21, 2026
Forecast Valid:
8am CDT Sep 21, 2026-6pm CDT Sep 27, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation