Severe Thunderstorms in the Northern Plains and Upper Midwest; Critical Fire Weather in the West; Dangerous Heat in the Central and Eastern U.S.

Severe thunderstorms are likely today across the northern Plains and into the upper Mississippi Valley. Gusty winds and dry conditions will result in widespread critical fire weather through Saturday across parts of the Four Corners region and the Great Basin. A significant and dangerous heat wave will expand from the Central U.S. into the Eastern U.S this weekend through much of next week. Read More >

Current conditions at

Tullahoma Regional Airport/William Northern Field (KTHA)

Lat: 35.38°NLon: 86.25°WElev: 1083ft.

Fair

70°F

21°C

Humidity 94%
Wind Speed Calm
Barometer 30.11 in
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Last update 20 Jun 10:55 pm CDT
Extended Forecast for

7 Miles WNW Lynchburg TN

  • Tonight

    Tonight: Clear, with a low around 68. Calm wind.

    Low: 68 °F

    Clear

  • Saturday

    Saturday: A slight chance of showers and thunderstorms between 1pm and 2pm.  Sunny, with a high near 91. Heat index values as high as 97. Calm wind becoming southwest around 5 mph.  Chance of precipitation is 20%.

    High: 91 °F

    Sunny then
    Slight Chance
    T-storms

  • Saturday Night

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

    Low: 71 °F

    Mostly Clear

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms after 1pm.  Sunny, with a high near 92. Heat index values as high as 97. Calm wind becoming south around 5 mph.

    High: 92 °F

    Sunny then
    Slight Chance
    T-storms

  • Sunday Night

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

    Low: 71 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 92.

    High: 92 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 71.

    Low: 71 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 94.

    High: 94 °F

    Sunny

  • Tuesday Night

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

    Low: 72 °F

    Mostly Clear

Detailed Forecast

Tonight
Clear, with a low around 68. Calm wind.
Saturday
A slight chance of showers and thunderstorms between 1pm and 2pm. Sunny, with a high near 91. Heat index values as high as 97. Calm wind becoming southwest around 5 mph. Chance of precipitation is 20%.
Saturday Night
Mostly clear, with a low around 71. Calm wind.
Sunday
A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 92. Heat index values as high as 97. Calm wind becoming south around 5 mph.
Sunday Night
Mostly clear, with a low around 71. Calm wind.
Monday
Sunny, with a high near 92.
Monday Night
Mostly clear, with a low around 71.
Tuesday
Sunny, with a high near 94.
Tuesday Night
Mostly clear, with a low around 72.
Wednesday
Sunny, with a high near 94.
Wednesday Night
Mostly clear, with a low around 71.
Thursday
Sunny, with a high near 93.
Thursday Night
Mostly clear, with a low around 72.
Friday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 94.
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ABOUT THIS FORECAST

 
Point Forecast:
7 Miles WNW Lynchburg TN
 35.32°N 86.46°W (Elev. 925 ft)
11:13 pm CDT Jun 20, 2025
11pm CDT Jun 20, 2025-6pm CDT Jun 27, 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