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

Columbia / Maury County (KMRC)

Lat: 35.55°NLon: 87.18°WElev: 676ft.

Fair

81°F

27°C

Humidity 62%
Wind Speed SE 5 mph
Barometer 30.06 in
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 18 May 7:50 pm CDT
Extended Forecast for

5 Miles ENE Williamsport TN

  • Tonight

    Tonight: Increasing clouds, with a low around 70. South wind around 5 mph.

    Low: 70 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 90. South wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 90 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 40 percent chance of showers and thunderstorms, mainly after midnight. Increasing clouds, with a low around 66. Southwest wind around 5 mph becoming calm in the evening.

    Low: 66 °F

    Chance
    T-storms

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm. Patchy fog before 9am. High near 83. Calm wind becoming west southwest around 5 mph. Chance of precipitation is 90%.

    High: 83 °F

    Showers and
    Patchy Fog

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms. Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 63. Calm wind. Chance of precipitation is 50%.

    Low: 63 °F

    Chance
    Showers and
    Patchy Fog

  • Thursday

    Thursday: A chance of showers before 10am, then a chance of showers and thunderstorms between 10am and 1pm, then showers and possibly a thunderstorm after 1pm. Patchy fog before 9am. High near 81. Calm wind becoming east around 5 mph. Chance of precipitation is 80%.

    High: 81 °F

    Chance
    Showers and
    Patchy Fog
    then Showers

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 63. Calm wind. Chance of precipitation is 70%.

    Low: 63 °F

    Chance
    T-storms then
    Showers
    Likely

  • Friday

    Friday: Showers and possibly a thunderstorm. High near 82. South wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%.

    High: 82 °F

    Showers

  • Friday Night

    Friday Night: Showers and possibly a thunderstorm. Low around 64. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 80%.

    Low: 64 °F

    Showers

Detailed Forecast

Tonight
Increasing clouds, with a low around 70. South wind around 5 mph.
Tuesday
A 20 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 90. South wind 5 to 10 mph, with gusts as high as 20 mph.
Tuesday Night
A 40 percent chance of showers and thunderstorms, mainly after midnight. Increasing clouds, with a low around 66. Southwest wind around 5 mph becoming calm in the evening.
Wednesday
Showers and possibly a thunderstorm. Patchy fog before 9am. High near 83. Calm wind becoming west southwest around 5 mph. Chance of precipitation is 90%.
Wednesday Night
A chance of showers and thunderstorms. Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 63. Calm wind. Chance of precipitation is 50%.
Thursday
A chance of showers before 10am, then a chance of showers and thunderstorms between 10am and 1pm, then showers and possibly a thunderstorm after 1pm. Patchy fog before 9am. High near 81. Calm wind becoming east around 5 mph. Chance of precipitation is 80%.
Thursday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 63. Calm wind. Chance of precipitation is 70%.
Friday
Showers and possibly a thunderstorm. High near 82. South wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%.
Friday Night
Showers and possibly a thunderstorm. Low around 64. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 80%.
Saturday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 82. Chance of precipitation is 70%.
Saturday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 64.
Sunday
Showers and thunderstorms likely. Partly sunny, with a high near 83. Chance of precipitation is 70%.
Sunday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 65.
Memorial Day
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 85. Chance of precipitation is 60%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles ENE Williamsport TN
 35.69°N 87.15°W (Elev. 614 ft)
Last Update:
6:12 pm CDT May 18, 2026
Forecast Valid:
8pm CDT May 18, 2026-6pm CDT May 25, 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