Tracking Major Hurricane Erin; Hot in the Mid-Mississippi Valley

Major Hurricane Erin is tracking just north of the lower Bahamas today. Dangerous surf and rip current threats increase this week for most of the Atlantic coastline. Erin's outerbands may impact the Outer Banks later this week. Hot to extremely hot temperatures are forecast today and Tuesday from a part of the southern Plains into the central to lower Mississippi River Valley. Read More >

Current conditions at

Tullahoma Regional Airport/William Northern Field (KTHA)

Lat: 35.38°NLon: 86.25°WElev: 1083ft.

Fair

88°F

31°C

Humidity 55%
Wind Speed N 6 mph
Barometer 30.07 in
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index93°F (34°C)
Last update 18 Aug 11:15 am CDT
Extended Forecast for

Lynchburg TN

Heat Advisory until August 19, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory until August 19, 08:00pm

    NOW until 8:00pm Tue

    Heat Advisory

  • Today

    High: 95 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 72. Northeast wind around 5 mph becoming calm  in the evening.

    Low: 72 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 95. Heat index values as high as 101. Calm wind.

    High: 95 °F

    Sunny

  • Tuesday Night

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

    Low: 72 °F

    Mostly Clear

  • Wednesday

    Wednesday: A 50 percent chance of showers and thunderstorms after 1pm.  Mostly sunny, with a high near 92. Calm wind becoming north northwest around 5 mph.

    High: 92 °F

    Sunny then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am.  Partly cloudy, with a low around 71. Chance of precipitation is 20%.

    Low: 71 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Thursday

    Thursday: A slight chance of showers, then a chance of showers and thunderstorms after 10am.  Mostly sunny, with a high near 90. Chance of precipitation is 40%.

    High: 90 °F

    Chance
    T-storms

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 69.

    Low: 69 °F

    Partly Cloudy

Detailed Forecast

Today
Sunny, with a high near 95. Heat index values as high as 101. North northeast wind around 5 mph.
Tonight
Clear, with a low around 72. Northeast wind around 5 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 95. Heat index values as high as 101. Calm wind.
Tuesday Night
Mostly clear, with a low around 72. Calm wind.
Wednesday
A 50 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 92. Calm wind becoming north northwest around 5 mph.
Wednesday Night
A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Partly cloudy, with a low around 71. Chance of precipitation is 20%.
Thursday
A slight chance of showers, then a chance of showers and thunderstorms after 10am. Mostly sunny, with a high near 90. Chance of precipitation is 40%.
Thursday Night
Partly cloudy, with a low around 69.
Friday
A 40 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 87.
Friday Night
A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 69.
Saturday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 87.
Saturday Night
Partly cloudy, with a low around 68.
Sunday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 87.
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ABOUT THIS FORECAST

 
Point Forecast:
Lynchburg TN
 35.29°N 86.35°W (Elev. 899 ft)
11:17 am CDT Aug 18, 2025
11am CDT Aug 18, 2025-6pm CDT Aug 24, 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