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

Erin Strengthens to a Hurricane; Heavy Rainfall Possible in Puerto Rico and the Virgin Islands, the Upper Midwest, South Texas

Hurricane Erin may bring isolated flash and urban flooding, landslides or mudslides, and possible tropical storm conditions to Puerto Rico and the U.S. Virgin Islands this weekend. Scattered thunderstorms and heavy rainfall may bring areas of flooding this weekend over the Upper Midwest. A tropical disturbance will bring moderate to locally heavy rain to portions of South Texas into Saturday. Read More >

Current conditions at

Tullahoma Regional Airport/William Northern Field (KTHA)

Lat: 35.38°NLon: 86.25°WElev: 1083ft.

Fair

84°F

29°C

Humidity 70%
Wind Speed Calm
Barometer 30.16 in
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index90°F (32°C)
Last update 15 Aug 10:55 am CDT
Extended Forecast for

3 Miles SSE Tullahoma TN

  • Today

    Today: A 40 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 90. Heat index values as high as 97. Calm wind.

    High: 90 °F

    Chance
    T-storms

  • Tonight

    Tonight: Patchy fog after 11pm. Otherwise, mostly cloudy, then gradually becoming mostly clear, with a low around 70. Calm wind.

    Low: 70 °F

    Patchy Fog

  • Saturday

    Saturday: Patchy fog before 8am. Otherwise, sunny, with a high near 93. Heat index values as high as 100. Calm wind.

    High: 93 °F

    Patchy Fog
    then Mostly
    Sunny

  • Saturday Night

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

    Low: 71 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 93. Calm wind becoming north northeast around 5 mph.

    High: 93 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 72.

    Low: 72 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 95.

    High: 95 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 72.

    Low: 72 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 95.

    High: 95 °F

    Sunny

Detailed Forecast

Today
A 40 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 90. Heat index values as high as 97. Calm wind.
Tonight
Patchy fog after 11pm. Otherwise, mostly cloudy, then gradually becoming mostly clear, with a low around 70. Calm wind.
Saturday
Patchy fog before 8am. Otherwise, sunny, with a high near 93. Heat index values as high as 100. Calm wind.
Saturday Night
Mostly clear, with a low around 71. Calm wind.
Sunday
Sunny, with a high near 93. Calm wind becoming north northeast around 5 mph.
Sunday Night
Mostly clear, with a low around 72.
Monday
Sunny, with a high near 95.
Monday Night
Mostly clear, with a low around 72.
Tuesday
Sunny, with a high near 95.
Tuesday Night
Mostly clear, with a low around 72.
Wednesday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 93.
Wednesday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 70.
Thursday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 87.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSE Tullahoma TN
 35.33°N 86.19°W (Elev. 1030 ft)
Last Update:
11:01 am CDT Aug 15, 2025
Forecast Valid:
11am CDT Aug 15, 2025-6pm CDT Aug 21, 2025
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation