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.

Fog/Mist

75°F

24°C

Humidity 100%
Wind Speed SW 7 mph
Barometer 29.96 in
Dewpoint 75°F (24°C)
Visibility 5.00 mi
Last update 28 Jun 5:10 am CDT
Extended Forecast for

3 Miles NNE Williamsport TN

Extreme Heat Watch June 29, 11:00am until July 2, 08:00pm
Heat Advisory June 28, 01:00pm until June 28, 07:00pm
Click here for hazard details and duration
Extreme Heat Watch
Heat Advisory

  • Today

    Today: Mostly sunny, with a high near 94. Heat index values as high as 109. West southwest wind 5 to 10 mph.

    High: 94 °F

    Mostly Sunny

  • Tonight

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

    Low: 74 °F

    Mostly Clear

  • Monday

    Monday: Sunny and hot, with a high near 97. Heat index values as high as 110. Calm wind.

    High: 97 °F

    Hot

  • Monday Night

    Monday Night: Mostly clear, with a low around 76. Calm wind.

    Low: 76 °F

    Mostly Clear

  • Tuesday

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

    High: 98 °F

    Hot

  • Tuesday Night

    Tuesday Night: Clear, with a low around 77. Calm wind.

    Low: 77 °F

    Clear

  • Wednesday

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

    High: 98 °F

    Hot

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 76. Calm wind.

    Low: 76 °F

    Mostly Clear

  • Thursday

    Thursday: 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

Today
Mostly sunny, with a high near 94. Heat index values as high as 109. West southwest wind 5 to 10 mph.
Tonight
Mostly clear, with a low around 74. Calm wind.
Monday
Sunny and hot, with a high near 97. Heat index values as high as 110. Calm wind.
Monday Night
Mostly clear, with a low around 76. Calm wind.
Tuesday
Sunny and hot, with a high near 98. Calm wind.
Tuesday Night
Clear, with a low around 77. Calm wind.
Wednesday
Sunny and hot, with a high near 98. Calm wind.
Wednesday Night
Mostly clear, with a low around 76. Calm wind.
Thursday
A 20 percent chance of showers and thunderstorms after 1pm. Sunny and hot, with a high near 97. Calm wind.
Thursday Night
A 20 percent chance of showers and thunderstorms before 1am. Mostly clear, with a low around 76.
Friday
A 40 percent chance of showers and thunderstorms. Sunny and hot, with a high near 97.
Friday Night
Mostly clear, with a low around 76.
Independence Day
A 30 percent chance of showers and thunderstorms. Sunny, with a high near 95.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNE Williamsport TN
 35.69°N 87.21°W (Elev. 564 ft)
Last Update:
2:51 am CDT Jun 28, 2026
Forecast Valid:
5am CDT Jun 28, 2026-6pm CDT Jul 4, 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