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.

Fog/Mist

70°F

21°C

Humidity 100%
Wind Speed Calm
Barometer 30.03 in
Dewpoint 70°F (21°C)
Visibility 5.00 mi
Last update 8 Jul 1:50 am CDT
Extended Forecast for

3 Miles NNE Williamsport TN

  • Overnight

    Overnight: Areas of fog. Otherwise, mostly cloudy, with a low around 69. Calm wind.

    Low: 69 °F

    Areas Fog

  • Wednesday

    Wednesday: A 50 percent chance of showers and thunderstorms, mainly after 9am. Areas of fog before 10am. Otherwise, partly sunny, with a high near 88. Heat index values as high as 98. Calm wind becoming west around 5 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 88 °F

    Chance
    Showers and
    Areas Fog
    then Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A slight chance of showers and thunderstorms before 1am, then a slight chance of showers between 1am and 2am. Patchy fog after 9pm. Otherwise, partly cloudy, with a low around 70. Calm wind. Chance of precipitation is 20%.

    Low: 70 °F

    Slight Chance
    T-storms and
    Patchy Fog

  • Thursday

    Thursday: A slight chance of showers and thunderstorms before 2pm, then a slight chance of showers and thunderstorms after 4pm. Patchy fog before 9am. Otherwise, mostly sunny, with a high near 91. Heat index values as high as 102. Calm wind becoming west southwest around 5 mph in the afternoon. Chance of precipitation is 20%.

    High: 91 °F

    Patchy Fog
    then Slight
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A 30 percent chance of showers after 1am. Mostly clear, with a low around 73. Calm wind becoming south southwest around 5 mph.

    Low: 73 °F

    Mostly Clear
    then Chance
    Showers

  • Friday

    Friday: Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 91. West southwest wind around 5 mph. Chance of precipitation is 70%.

    High: 91 °F

    Showers
    Likely

  • Friday Night

    Friday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Patchy fog before 3am, then patchy fog after 5am. Otherwise, partly cloudy, with a low around 72. Calm wind. Chance of precipitation is 60%.

    Low: 72 °F

    Chance
    T-storms then
    Showers
    Likely and
    Patchy Fog

  • Saturday

    Saturday: Showers likely and possibly a thunderstorm before 1pm, then showers and thunderstorms likely after 1pm. Partly sunny, with a high near 89. Calm wind becoming west southwest around 5 mph. Chance of precipitation is 70%.

    High: 89 °F

    Showers
    Likely then
    T-storms
    Likely

  • Saturday Night

    Saturday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 70. Calm wind.

    Low: 70 °F

    Chance
    T-storms

Detailed Forecast

Overnight
Areas of fog. Otherwise, mostly cloudy, with a low around 69. Calm wind.
Wednesday
A 50 percent chance of showers and thunderstorms, mainly after 9am. Areas of fog before 10am. Otherwise, partly sunny, with a high near 88. Heat index values as high as 98. Calm wind becoming west around 5 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
A slight chance of showers and thunderstorms before 1am, then a slight chance of showers between 1am and 2am. Patchy fog after 9pm. Otherwise, partly cloudy, with a low around 70. Calm wind. Chance of precipitation is 20%.
Thursday
A slight chance of showers and thunderstorms before 2pm, then a slight chance of showers and thunderstorms after 4pm. Patchy fog before 9am. Otherwise, mostly sunny, with a high near 91. Heat index values as high as 102. Calm wind becoming west southwest around 5 mph in the afternoon. Chance of precipitation is 20%.
Thursday Night
A 30 percent chance of showers after 1am. Mostly clear, with a low around 73. Calm wind becoming south southwest around 5 mph.
Friday
Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 91. West southwest wind around 5 mph. Chance of precipitation is 70%.
Friday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Patchy fog before 3am, then patchy fog after 5am. Otherwise, partly cloudy, with a low around 72. Calm wind. Chance of precipitation is 60%.
Saturday
Showers likely and possibly a thunderstorm before 1pm, then showers and thunderstorms likely after 1pm. Partly sunny, with a high near 89. Calm wind becoming west southwest around 5 mph. Chance of precipitation is 70%.
Saturday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 70. Calm wind.
Sunday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 86. Chance of precipitation is 70%.
Sunday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 70.
Monday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89.
Monday Night
Mostly clear, with a low around 69.
Tuesday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 90.
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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:
1:31 am CDT Jul 8, 2026
Forecast Valid:
2am CDT Jul 8, 2026-6pm CDT Jul 14, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation