Dangerous Heat and Heavy Rainfall into the Weekend

Hot temperatures and high humidity are forecast to continue across the mid-Mississippi Valley into this weekend. Heat Advisories remain in effect. Heavy to excessive rainfall occurring at times through the weekend could bring areas of flooding to parts of the northern Rockies, upper Midwest, central Great Lakes, and southern New England. Read More >

Current conditions at

Tullahoma Regional Airport/William Northern Field (KTHA)

Lat: 35.38°NLon: 86.25°WElev: 1083ft.

Fair

73°F

23°C

Humidity 89%
Wind Speed E 5 mph
Barometer NA
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Last update 19 Sep 3:35 am CDT
Extended Forecast for

6 Miles SSE Lynchburg TN

Heat Advisory September 19, 04:05am until September 19, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory September 19, 04:05am until September 19, 08:00pm

    NOW until 8:00pm Sat

    Heat Advisory

  • Today

    High: 94 °F

    Sunny then
    Chance
    T-storms

  • Tonight

    Tonight: Mostly clear, with a low around 70. Calm wind.

    Low: 70 °F

    Mostly Clear

  • Sunday

    Sunday: A slight chance of showers and thunderstorms between 1pm and 2pm.  Sunny, with a high near 96. Heat index values as high as 102. Calm wind becoming south around 5 mph.  Chance of precipitation is 20%.

    High: 96 °F

    Sunny then
    Slight Chance
    T-storms

  • Sunday Night

    Sunday Night: A 10 percent chance of showers and thunderstorms before 7pm.  Partly cloudy, with a low around 69. Calm wind.

    Low: 69 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Monday

    Monday: A 40 percent chance of showers and thunderstorms after 1pm.  Mostly sunny, with a high near 95. Calm wind becoming west southwest around 5 mph.

    High: 95 °F

    Mostly Sunny
    then Chance
    T-storms

  • Monday Night

    Monday Night: Showers likely and possibly a thunderstorm before 1am, then a slight chance of showers.  Mostly cloudy, with a low around 66. Chance of precipitation is 60%.

    Low: 66 °F

    Showers
    Likely

  • Tuesday

    Tuesday: A chance of showers, then showers likely and possibly a thunderstorm after 1pm.  Mostly sunny, with a high near 90. Chance of precipitation is 70%.

    High: 90 °F

    Chance
    Showers then
    Showers
    Likely

  • Tuesday Night

    Tuesday Night: A 50 percent chance of showers.  Partly cloudy, with a low around 64.

    Low: 64 °F

    Chance
    Showers

Detailed Forecast

Today
A slight chance of showers between noon and 1pm, then a chance of showers and thunderstorms after 1pm. Sunny, with a high near 94. Heat index values as high as 99. Calm wind. Chance of precipitation is 40%.
Tonight
Mostly clear, with a low around 70. Calm wind.
Sunday
A slight chance of showers and thunderstorms between 1pm and 2pm. Sunny, with a high near 96. Heat index values as high as 102. Calm wind becoming south around 5 mph. Chance of precipitation is 20%.
Sunday Night
A 10 percent chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 69. Calm wind.
Monday
A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 95. Calm wind becoming west southwest around 5 mph.
Monday Night
Showers likely and possibly a thunderstorm before 1am, then a slight chance of showers. Mostly cloudy, with a low around 66. Chance of precipitation is 60%.
Tuesday
A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Mostly sunny, with a high near 90. Chance of precipitation is 70%.
Tuesday Night
A 50 percent chance of showers. Partly cloudy, with a low around 64.
Wednesday
A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 84. Chance of precipitation is 60%.
Wednesday Night
A 20 percent chance of showers before 1am. Partly cloudy, with a low around 61.
Thursday
A 20 percent chance of showers. Mostly sunny, with a high near 82.
Thursday Night
Partly cloudy, with a low around 58.
Friday
Mostly sunny, with a high near 82.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles SSE Lynchburg TN
 35.2°N 86.31°W (Elev. 771 ft)
3:50 am CDT Sep 19, 2026
4am CDT Sep 19, 2026-6pm CDT Sep 25, 2026
 
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Additional Resources

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