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

86°F

30°C

Humidity 52%
Wind Speed Vrbl 5 mph
Barometer 29.84 in
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Heat Index88°F (31°C)
Last update 6 Sep 7:35 pm CDT
Extended Forecast for

3 Miles NNE Williamsport TN

Heat Advisory September 6, 07:50pm until September 6, 08:00pm
Click here for hazard details and duration
...
  •  
    Heat Advisory September 6, 07:50pm until September 6, 08:00pm

    NOW until 8:00pm Sun

    Heat Advisory

  • Tonight

    Low: 68 °F

    Mostly Clear

  • Labor Day

    Labor Day: Mostly sunny, with a high near 93. Heat index values as high as 97. Northeast wind around 5 mph.

    High: 93 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 69. Calm wind becoming southeast around 5 mph after midnight.

    Low: 69 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 93. Heat index values as high as 101. South southeast wind 5 to 10 mph.

    High: 93 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 70. South southeast wind around 5 mph.

    Low: 70 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 95. South wind around 5 mph.

    High: 95 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 71. Calm wind becoming south around 5 mph after midnight.

    Low: 71 °F

    Mostly Clear

  • Thursday

    Thursday: A 50 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 94. South southwest wind around 5 mph becoming west in the afternoon.

    High: 94 °F

    Sunny then
    Chance
    T-storms

Detailed Forecast

Tonight
Mostly clear, with a low around 68. Northeast wind around 5 mph.
Labor Day
Mostly sunny, with a high near 93. Heat index values as high as 97. Northeast wind around 5 mph.
Monday Night
Partly cloudy, with a low around 69. Calm wind becoming southeast around 5 mph after midnight.
Tuesday
Sunny, with a high near 93. Heat index values as high as 101. South southeast wind 5 to 10 mph.
Tuesday Night
Mostly clear, with a low around 70. South southeast wind around 5 mph.
Wednesday
Sunny, with a high near 95. South wind around 5 mph.
Wednesday Night
Mostly clear, with a low around 71. Calm wind becoming south around 5 mph after midnight.
Thursday
A 50 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 94. South southwest wind around 5 mph becoming west in the afternoon.
Thursday Night
A chance of showers and thunderstorms before 1am, then a slight chance of showers. Mostly cloudy, with a low around 68. Calm wind. Chance of precipitation is 40%.
Friday
A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 91. Chance of precipitation is 40%.
Friday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 66.
Saturday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 93.
Saturday Night
A 20 percent chance of showers. Mostly clear, with a low around 67.
Sunday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 93.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNE Williamsport TN
 35.69°N 87.21°W (Elev. 564 ft)
Last Update:
6:11 pm CDT Sep 6, 2026
Forecast Valid:
7pm CDT Sep 6, 2026-6pm CDT Sep 13, 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