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.

Partly Cloudy

73°F

23°C

Humidity 100%
Wind Speed Calm
Barometer 30.05 in
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Last update 15 Jul 3:30 am CDT
Extended Forecast for

3 Miles SSE Williamsport TN

  • Overnight

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

    Low: 71 °F

    Patchy Fog

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms after 2pm. Patchy fog before 9am. Otherwise, sunny, with a high near 93. Heat index values as high as 103. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 93 °F

    Patchy Fog
    then Slight
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Patchy fog before 4am, then areas of fog after 5am. Otherwise, mostly clear, with a low around 72. Calm wind.

    Low: 72 °F

    Mostly Clear
    then Areas
    Fog

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms, mainly after noon. Patchy fog before 8am. Otherwise, sunny, with a high near 93. Heat index values as high as 105. Calm wind becoming southwest around 5 mph.

    High: 93 °F

    Chance
    T-storms and
    Patchy Fog

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers and thunderstorms before 1am. Patchy fog before 3am, then patchy fog after 4am. Otherwise, partly cloudy, with a low around 74. Calm wind.

    Low: 74 °F

    Slight Chance
    T-storms and
    Patchy Fog

  • Thursday

    Thursday: A chance of showers, with thunderstorms also possible after 10am. Mostly sunny, with a high near 94. Calm wind becoming south southwest around 5 mph. Chance of precipitation is 50%.

    High: 94 °F

    Chance
    T-storms

  • Thursday Night

    Thursday Night: A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 74. Calm wind.

    Low: 74 °F

    Slight Chance
    T-storms

  • Friday

    Friday: A 50 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 91. Calm wind becoming south southwest around 5 mph.

    High: 91 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Friday Night

    Friday Night: A 20 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 73. Calm wind.

    Low: 73 °F

    Slight Chance
    T-storms

Detailed Forecast

Overnight
Patchy fog. Otherwise, partly cloudy, with a low around 71. Calm wind.
Tuesday
A 20 percent chance of showers and thunderstorms after 2pm. Patchy fog before 9am. Otherwise, sunny, with a high near 93. Heat index values as high as 103. Calm wind becoming southwest around 5 mph in the afternoon.
Tuesday Night
Patchy fog before 4am, then areas of fog after 5am. Otherwise, mostly clear, with a low around 72. Calm wind.
Wednesday
A 30 percent chance of showers and thunderstorms, mainly after noon. Patchy fog before 8am. Otherwise, sunny, with a high near 93. Heat index values as high as 105. Calm wind becoming southwest around 5 mph.
Wednesday Night
A 20 percent chance of showers and thunderstorms before 1am. Patchy fog before 3am, then patchy fog after 4am. Otherwise, partly cloudy, with a low around 74. Calm wind.
Thursday
A chance of showers, with thunderstorms also possible after 10am. Mostly sunny, with a high near 94. Calm wind becoming south southwest around 5 mph. Chance of precipitation is 50%.
Thursday Night
A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 74. Calm wind.
Friday
A 50 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 91. Calm wind becoming south southwest around 5 mph.
Friday Night
A 20 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 73. Calm wind.
Saturday
A 50 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 90.
Saturday Night
Partly cloudy, with a low around 73.
Sunday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 91.
Sunday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 72.
Monday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 91.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSE Williamsport TN
 35.6°N 87.21°W (Elev. 600 ft)
Last Update:
12:30 am CDT Jul 15, 2025
Forecast Valid:
3am CDT Jul 15, 2025-6pm CDT Jul 21, 2025
 
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