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

Hazardous Weather Conditions

Current conditions at

Columbia / Maury County (KMRC)

Lat: 35.55°NLon: 87.18°WElev: 676ft.

Fair

77°F

25°C

Humidity 100%
Wind Speed Calm
Barometer 30.12 in
Dewpoint 77°F (25°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 15 Aug 12:10 am CDT
Extended Forecast for

Lynnville TN

Extreme Heat Warning until August 16, 07:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning until August 16, 07:00pm

    NOW until 7:00pm Sun

    Extreme Heat Warning

  • Overnight

    Low: 74 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny and hot, with a high near 97. Heat index values as high as 105. Calm wind becoming west around 5 mph.

    High: 97 °F

    Hot

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 74. Calm wind.

    Low: 74 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny and hot, with a high near 99. Heat index values as high as 107. Calm wind becoming west around 5 mph in the afternoon.

    High: 99 °F

    Hot

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 75. Calm wind.

    Low: 75 °F

    Mostly Clear

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms after 1pm. Sunny and hot, with a high near 97. Calm wind becoming west northwest around 5 mph in the morning.

    High: 97 °F

    Sunny then
    Slight Chance
    T-storms

  • Monday Night

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

    Low: 72 °F

    Mostly Clear

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 93. Calm wind becoming northwest around 5 mph.

    High: 93 °F

    Sunny then
    Slight Chance
    T-storms

Detailed Forecast

Overnight
Mostly clear, with a low around 74. Calm wind.
Saturday
Sunny and hot, with a high near 97. Heat index values as high as 105. Calm wind becoming west around 5 mph.
Saturday Night
Mostly clear, with a low around 74. Calm wind.
Sunday
Sunny and hot, with a high near 99. Heat index values as high as 107. Calm wind becoming west around 5 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 75. Calm wind.
Monday
A 20 percent chance of showers and thunderstorms after 1pm. Sunny and hot, with a high near 97. Calm wind becoming west northwest around 5 mph in the morning.
Monday Night
Mostly clear, with a low around 72. Calm wind.
Tuesday
A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 93. Calm wind becoming northwest around 5 mph.
Tuesday Night
Partly cloudy, with a low around 71. Calm wind.
Wednesday
Sunny, with a high near 95.
Wednesday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 73.
Thursday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 93.
Thursday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 70.
Friday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 90.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Lynnville TN
 35.37°N 87.04°W (Elev. 722 ft)
Last Update:
7:26 pm CDT Aug 14, 2026
Forecast Valid:
12am CDT Aug 15, 2026-6pm CDT Aug 21, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation