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

Hazardous Weather Conditions

Current conditions at

Columbia / Maury County (KMRC)

Lat: 35.55°NLon: 87.18°WElev: 676ft.

Overcast

72°F

22°C

Humidity 100%
Wind Speed Calm
Barometer 30.11 in
Dewpoint 72°F (22°C)
Visibility 7.00 mi
Last update 20 Jun 7:10 am CDT
Extended Forecast for

4 Miles WSW Williamsport TN

Dense Fog Advisory until June 20, 09:00am
Click here for hazard details and duration
...
  •  
    Dense Fog Advisory until June 20, 09:00am

    NOW until 9:00am Fri

    Dense Fog Advisory

  • Today

    High: 89 °F

    Patchy Dense
    Fog then
    Sunny

  • Tonight

    Tonight: Patchy fog after 5am. Otherwise, mostly clear, with a low around 69. Calm wind.

    Low: 69 °F

    Clear then
    Patchy Fog

  • Saturday

    Saturday: Patchy fog before 7am. Otherwise, sunny, with a high near 92. Heat index values as high as 102. Calm wind becoming south southwest around 5 mph.

    High: 92 °F

    Patchy Fog
    then Sunny

  • Saturday Night

    Saturday Night: Patchy fog after 1am. Otherwise, mostly clear, with a low around 73. Calm wind.

    Low: 73 °F

    Mostly Clear
    then Patchy
    Fog

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms after 1pm. Patchy fog before 8am. Otherwise, sunny, with a high near 93. Calm wind.

    High: 93 °F

    Patchy Fog
    then Slight
    Chance
    T-storms

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 73. Calm wind.

    Low: 73 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 93. Calm wind.

    High: 93 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 73. Calm wind.

    Low: 73 °F

    Mostly Clear

Detailed Forecast

Today
Patchy dense fog before 10am. Otherwise, partly sunny, then gradually becoming sunny, with a high near 89. Calm wind.
Tonight
Patchy fog after 5am. Otherwise, mostly clear, with a low around 69. Calm wind.
Saturday
Patchy fog before 7am. Otherwise, sunny, with a high near 92. Heat index values as high as 102. Calm wind becoming south southwest around 5 mph.
Saturday Night
Patchy fog after 1am. Otherwise, mostly clear, with a low around 73. Calm wind.
Sunday
A 20 percent chance of showers and thunderstorms after 1pm. Patchy fog before 8am. Otherwise, sunny, with a high near 93. Calm wind.
Sunday Night
Mostly clear, with a low around 73. Calm wind.
Monday
Sunny, with a high near 93. Calm wind.
Monday Night
Mostly clear, with a low around 73. Calm wind.
Tuesday
A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 94. Calm wind.
Tuesday Night
Mostly clear, with a low around 73.
Wednesday
Sunny, with a high near 94.
Wednesday Night
Mostly clear, with a low around 72.
Thursday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 94.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WSW Williamsport TN
 35.63°N 87.29°W (Elev. 627 ft)
Last Update:
5:42 am CDT Jun 20, 2025
Forecast Valid:
7am CDT Jun 20, 2025-6pm CDT Jun 26, 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