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

75°F

24°C

Humidity 100%
Wind Speed S 3 mph
Barometer 29.95 in
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Last update 5 Jul 12:35 am CDT
Extended Forecast for

4 Miles E Williamsport TN

  • Overnight

    Overnight: Areas of fog. Otherwise, partly cloudy, with a low around 71. Calm wind.

    Low: 71 °F

    Areas Fog

  • Sunday

    Sunday: A 50 percent chance of showers and thunderstorms, mainly after 1pm. Areas of fog before 8am. Otherwise, mostly sunny, with a high near 91. Heat index values as high as 102. 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: 91 °F

    Slight Chance
    T-storms and
    Areas Fog
    then Chance
    T-storms

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms before 1am, then a chance of showers and thunderstorms after 4am. Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 71. Calm wind. Chance of precipitation is 30%.

    Low: 71 °F

    Chance
    T-storms and
    Patchy Fog

  • Monday

    Monday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Areas of fog before 8am. Otherwise, partly sunny, with a high near 89. Heat index values as high as 99. Calm wind becoming west northwest around 5 mph. Chance of precipitation is 60%.

    High: 89 °F

    Chance
    T-storms and
    Areas Fog
    then Showers
    Likely

  • Monday Night

    Monday Night: A 20 percent chance of showers and thunderstorms before 1am. Patchy fog after 10pm. Otherwise, partly cloudy, with a low around 70. Calm wind.

    Low: 70 °F

    Slight Chance
    T-storms and
    Patchy Fog

  • Tuesday

    Tuesday: A slight chance of showers, then a chance of showers and thunderstorms after 10am. Areas of fog before 9am. Otherwise, mostly sunny, with a high near 90. Calm wind becoming northwest around 5 mph. Chance of precipitation is 50%.

    High: 90 °F

    Slight Chance
    T-storms and
    Areas Fog
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 70. Calm wind.

    Low: 70 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A 40 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 90. Calm wind.

    High: 90 °F

    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A slight chance of showers and thunderstorms. Partly cloudy, with a low around 71. Calm wind. Chance of precipitation is 20%.

    Low: 71 °F

    Slight Chance
    T-storms

Detailed Forecast

Overnight
Areas of fog. Otherwise, partly cloudy, with a low around 71. Calm wind.
Sunday
A 50 percent chance of showers and thunderstorms, mainly after 1pm. Areas of fog before 8am. Otherwise, mostly sunny, with a high near 91. Heat index values as high as 102. Calm wind becoming west around 5 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday Night
A chance of showers and thunderstorms before 1am, then a chance of showers and thunderstorms after 4am. Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 71. Calm wind. Chance of precipitation is 30%.
Monday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Areas of fog before 8am. Otherwise, partly sunny, with a high near 89. Heat index values as high as 99. Calm wind becoming west northwest around 5 mph. Chance of precipitation is 60%.
Monday Night
A 20 percent chance of showers and thunderstorms before 1am. Patchy fog after 10pm. Otherwise, partly cloudy, with a low around 70. Calm wind.
Tuesday
A slight chance of showers, then a chance of showers and thunderstorms after 10am. Areas of fog before 9am. Otherwise, mostly sunny, with a high near 90. Calm wind becoming northwest around 5 mph. Chance of precipitation is 50%.
Tuesday Night
Partly cloudy, with a low around 70. Calm wind.
Wednesday
A 40 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 90. Calm wind.
Wednesday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 71. Calm wind. Chance of precipitation is 20%.
Thursday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 91.
Thursday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 73.
Friday
Showers and thunderstorms likely. Mostly sunny, with a high near 90. Chance of precipitation is 70%.
Friday Night
A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 72.
Saturday
Showers and thunderstorms likely. Mostly sunny, with a high near 89. Chance of precipitation is 60%.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles E Williamsport TN
 35.65°N 87.16°W (Elev. 699 ft)
Last Update:
1:31 pm CDT Jul 4, 2026
Forecast Valid:
12am CDT Jul 5, 2026-6pm CDT Jul 11, 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