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.

Partly Cloudy

93°F

34°C

Humidity 44%
Wind Speed Calm
Barometer 30.09 in
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Heat Index97°F (36°C)
Last update 1 Sep 12:50 pm CDT
Extended Forecast for

5 Miles NNW Williamsport TN

Heat Advisory September 2, 11:00am until September 4, 08:00pm
Click here for hazard details and duration
Heat Advisory

  • This Afternoon

    This Afternoon: Sunny and hot, with a high near 97. Heat index values as high as 107. Calm wind.

    High: 97 °F

    Hot

  • Tonight

    Tonight: Clear, with a low around 73. Calm wind.

    Low: 73 °F

    Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 99. Heat index values as high as 109. Calm wind.

    High: 99 °F

    Hot

  • Wednesday Night

    Wednesday Night: Clear, with a low around 74. Calm wind.

    Low: 74 °F

    Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 98. Calm wind.

    High: 98 °F

    Hot

  • Thursday Night

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

    Low: 74 °F

    Mostly Clear

  • Friday

    Friday: Sunny and hot, with a high near 97. Calm wind.

    High: 97 °F

    Hot

  • Friday Night

    Friday Night: Partly cloudy, with a low around 73. Calm wind.

    Low: 73 °F

    Partly Cloudy

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms after 1pm. Sunny and hot, with a high near 97. Calm wind.

    High: 97 °F

    Sunny then
    Slight Chance
    T-storms

Detailed Forecast

This Afternoon
Sunny and hot, with a high near 97. Heat index values as high as 107. Calm wind.
Tonight
Clear, with a low around 73. Calm wind.
Wednesday
Sunny and hot, with a high near 99. Heat index values as high as 109. Calm wind.
Wednesday Night
Clear, with a low around 74. Calm wind.
Thursday
Sunny and hot, with a high near 98. Calm wind.
Thursday Night
Mostly clear, with a low around 74. Calm wind.
Friday
Sunny and hot, with a high near 97. Calm wind.
Friday Night
Partly cloudy, with a low around 73. Calm wind.
Saturday
A 20 percent chance of showers and thunderstorms after 1pm. Sunny and hot, with a high near 97. Calm wind.
Saturday Night
Mostly clear, with a low around 71.
Sunday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 96.
Sunday Night
Partly cloudy, with a low around 69.
Labor Day
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 94.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles NNW Williamsport TN
 35.72°N 87.26°W (Elev. 531 ft)
Last Update:
11:36 am CDT Sep 1, 2026
Forecast Valid:
1pm CDT Sep 1, 2026-6pm CDT Sep 7, 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