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 locally heavy rain and mainly urban flash flooding to far southern Texas. Read More >

Current conditions at

Tullahoma Regional Airport/William Northern Field (KTHA)

Lat: 35.38°NLon: 86.25°WElev: 1083ft.

A Few Clouds

90°F

32°C

Humidity 55%
Wind Speed Calm
Barometer 30.10 in
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index97°F (36°C)
Last update 15 Aug 4:35 pm CDT
Extended Forecast for

4 Miles NE Lynchburg TN

  • This Afternoon

    This Afternoon: A 30 percent chance of showers and thunderstorms, mainly before 5pm.  Partly sunny, with a high near 90. Calm wind.

    High: 90 °F

    Chance
    T-storms

  • Tonight

    Tonight: A 10 percent chance of showers and thunderstorms before 7pm.  Patchy fog before 2am, then patchy fog after 3am.  Otherwise, partly cloudy, with a low around 70. Calm wind.

    Low: 70 °F

    Slight Chance
    T-storms then
    Patchy Fog

  • Saturday

    Saturday: Patchy fog before 8am.  Otherwise, sunny, with a high near 93. Heat index values as high as 97. 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 73.

    Low: 73 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 95.

    High: 95 °F

    Sunny

Detailed Forecast

This Afternoon
A 30 percent chance of showers and thunderstorms, mainly before 5pm. Partly sunny, with a high near 90. Calm wind.
Tonight
A 10 percent chance of showers and thunderstorms before 7pm. Patchy fog before 2am, then patchy fog after 3am. Otherwise, partly cloudy, 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 97. 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 73.
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.
Thursday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 68.
Friday
A chance of showers and thunderstorms. Partly sunny, with a high near 85.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NE Lynchburg TN
 35.34°N 86.32°W (Elev. 1099 ft)
3:50 pm CDT Aug 15, 2025
4pm CDT Aug 15, 2025-6pm CDT Aug 22, 2025
 
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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