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.

A Few Clouds

91°F

33°C

Humidity 52%
Wind Speed SW 8 mph
Barometer 30.06 in
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index98°F (37°C)
Last update 29 Jun 4:10 pm CDT
Extended Forecast for

3 Miles NE Williamsport TN

Extreme Heat Warning June 29, 04:43pm until July 2, 08:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning June 29, 04:43pm until July 2, 08:00pm

    NOW until 8:00pm Thu

    Extreme Heat Warning

  • Tonight

    Low: 75 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 98. Heat index values as high as 106. Calm wind.

    High: 98 °F

    Hot

  • Tuesday Night

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

    Low: 77 °F

    Mostly Clear

  • Wednesday

    Wednesday: A 20 percent chance of showers and thunderstorms after 1pm. Sunny and hot, with a high near 98. Heat index values as high as 107. Calm wind.

    High: 98 °F

    Sunny then
    Slight 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. Mostly clear, with a low around 78. Calm wind. Chance of precipitation is 20%.

    Low: 78 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Thursday

    Thursday: A 50 percent chance of showers and thunderstorms after 1pm. Sunny and hot, with a high near 98. Calm wind.

    High: 98 °F

    Sunny then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A 20 percent chance of showers and thunderstorms before 1am. Mostly clear, with a low around 75. Calm wind.

    Low: 75 °F

    Slight Chance
    T-storms

  • Friday

    Friday: A 50 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 95. Calm wind.

    High: 95 °F

    Sunny then
    Chance
    T-storms

Detailed Forecast

Tonight
Mostly clear, with a low around 75. Calm wind.
Tuesday
Sunny and hot, with a high near 98. Heat index values as high as 106. Calm wind.
Tuesday Night
Mostly clear, with a low around 77. Calm wind.
Wednesday
A 20 percent chance of showers and thunderstorms after 1pm. Sunny and hot, with a high near 98. Heat index values as high as 107. Calm wind.
Wednesday Night
A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Mostly clear, with a low around 78. Calm wind. Chance of precipitation is 20%.
Thursday
A 50 percent chance of showers and thunderstorms after 1pm. Sunny and hot, with a high near 98. Calm wind.
Thursday Night
A 20 percent chance of showers and thunderstorms before 1am. Mostly clear, with a low around 75. Calm wind.
Friday
A 50 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 95. Calm wind.
Friday Night
A 20 percent chance of showers and thunderstorms before 1am. Mostly clear, with a low around 74. Calm wind.
Independence Day
A 40 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 94.
Saturday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 74.
Sunday
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 92.
Sunday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 74.
Monday
Showers and thunderstorms likely. Mostly sunny, with a high near 91. Chance of precipitation is 60%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NE Williamsport TN
 35.67°N 87.21°W (Elev. 659 ft)
Last Update:
1:31 pm CDT Jun 29, 2026
Forecast Valid:
4pm CDT Jun 29, 2026-6pm CDT Jul 6, 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