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

68°F

20°C

Humidity 100%
Wind Speed Calm
Barometer 29.97 in
Dewpoint 68°F (20°C)
Visibility 9.00 mi
Last update 19 Aug 1:50 am CDT
Extended Forecast for

5 Miles NNW Williamsport TN

  • Overnight

    Overnight: Mostly clear, with a low around 67. Calm wind.

    Low: 67 °F

    Mostly Clear

  • Wednesday

    Wednesday: Patchy fog before 7am. Otherwise, increasing clouds, with a high near 95. Heat index values as high as 105. Calm wind becoming south southeast around 5 mph.

    High: 95 °F

    Patchy Fog
    then Partly
    Sunny

  • Wednesday Night

    Wednesday Night: A 50 percent chance of showers and thunderstorms, mainly after 4am. Partly cloudy, with a low around 73. Calm wind becoming north around 5 mph. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 73 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Thursday

    Thursday: A 50 percent chance of showers and thunderstorms, mainly before noon. Mostly sunny, with a high near 91. Heat index values as high as 103. South wind around 5 mph becoming north in the morning.

    High: 91 °F

    Chance
    T-storms then
    Slight Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms. Areas of fog after 9pm. Otherwise, partly cloudy, with a low around 70. Calm wind. Chance of precipitation is 50%.

    Low: 70 °F

    Chance
    T-storms and
    Areas Fog

  • Friday

    Friday: A 20 percent chance of showers before 1pm. Areas of fog before 10am. Otherwise, mostly sunny, with a high near 91. Calm wind becoming north northwest around 5 mph.

    High: 91 °F

    Slight Chance
    Showers and
    Areas Fog

  • Friday Night

    Friday Night: Areas of fog after 10pm. Otherwise, mostly clear, with a low around 69. Calm wind.

    Low: 69 °F

    Areas Fog

  • Saturday

    Saturday: Areas of fog before 8am. Otherwise, sunny, with a high near 92. Calm wind becoming northwest around 5 mph in the afternoon.

    High: 92 °F

    Areas Fog
    then Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 68. Calm wind.

    Low: 68 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 67. Calm wind.
Wednesday
Patchy fog before 7am. Otherwise, increasing clouds, with a high near 95. Heat index values as high as 105. Calm wind becoming south southeast around 5 mph.
Wednesday Night
A 50 percent chance of showers and thunderstorms, mainly after 4am. Partly cloudy, with a low around 73. Calm wind becoming north around 5 mph. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
A 50 percent chance of showers and thunderstorms, mainly before noon. Mostly sunny, with a high near 91. Heat index values as high as 103. South wind around 5 mph becoming north in the morning.
Thursday Night
A chance of showers and thunderstorms. Areas of fog after 9pm. Otherwise, partly cloudy, with a low around 70. Calm wind. Chance of precipitation is 50%.
Friday
A 20 percent chance of showers before 1pm. Areas of fog before 10am. Otherwise, mostly sunny, with a high near 91. Calm wind becoming north northwest around 5 mph.
Friday Night
Areas of fog after 10pm. Otherwise, mostly clear, with a low around 69. Calm wind.
Saturday
Areas of fog before 8am. Otherwise, sunny, with a high near 92. Calm wind becoming northwest around 5 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 68. Calm wind.
Sunday
Mostly sunny, with a high near 91.
Sunday Night
Partly cloudy, with a low around 67.
Monday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 91.
Monday Night
A 20 percent chance of showers. Partly cloudy, with a low around 68.
Tuesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 93.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles NNW Williamsport TN
 35.72°N 87.26°W (Elev. 531 ft)
Last Update:
1:31 am CDT Aug 19, 2026
Forecast Valid:
2am CDT Aug 19, 2026-6pm CDT Aug 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