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.

Mostly Cloudy

90°F

32°C

Humidity 71%
Wind Speed N 5 mph
Barometer 29.96 in
Dewpoint 79°F (26°C)
Visibility 9.00 mi
Heat Index107°F (42°C)
Last update 26 Jul 1:50 pm CDT
Extended Forecast for

3 Miles NNE Williamsport TN

Heat Advisory July 27, 10:00am until July 28, 08:00pm
Click here for hazard details and duration
Heat Advisory

  • This Afternoon

    This Afternoon: A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 92. Heat index values as high as 109. Calm wind.

    High: 92 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: A slight chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and 1am, then a chance of showers and thunderstorms after 1am. Areas of fog after 10pm. Otherwise, partly cloudy, with a low around 74. Calm wind. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 74 °F

    Chance
    T-storms and
    Areas Fog

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms, mainly between 2pm and 5pm. Areas of fog before 9am. Otherwise, mostly sunny, with a high near 95. Heat index values as high as 115. Calm wind becoming west around 5 mph.

    High: 95 °F

    Chance
    T-storms and
    Areas Fog

  • Monday Night

    Monday Night: A 20 percent chance of showers and thunderstorms before 9pm. Mostly clear, with a low around 76. Calm wind.

    Low: 76 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 96. West wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 96 °F

    Sunny then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and 1am. Patchy fog after 5am. Otherwise, partly cloudy, with a low around 72. West northwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.

    Low: 72 °F

    Chance
    T-storms then
    Chance
    Showers and
    Patchy Fog

  • Wednesday

    Wednesday: Patchy fog before 8am. Otherwise, mostly sunny, with a high near 90. Calm wind becoming north around 5 mph in the afternoon.

    High: 90 °F

    Patchy Fog
    then Mostly
    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 67. North wind around 5 mph becoming calm in the evening.

    Low: 67 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 90. Calm wind becoming north northeast around 5 mph in the afternoon.

    High: 90 °F

    Sunny

Detailed Forecast

This Afternoon
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 92. Heat index values as high as 109. Calm wind.
Tonight
A slight chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and 1am, then a chance of showers and thunderstorms after 1am. Areas of fog after 10pm. Otherwise, partly cloudy, with a low around 74. Calm wind. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday
A 30 percent chance of showers and thunderstorms, mainly between 2pm and 5pm. Areas of fog before 9am. Otherwise, mostly sunny, with a high near 95. Heat index values as high as 115. Calm wind becoming west around 5 mph.
Monday Night
A 20 percent chance of showers and thunderstorms before 9pm. Mostly clear, with a low around 76. Calm wind.
Tuesday
A 30 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 96. West wind 5 to 10 mph, with gusts as high as 20 mph.
Tuesday Night
A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and 1am. Patchy fog after 5am. Otherwise, partly cloudy, with a low around 72. West northwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.
Wednesday
Patchy fog before 8am. Otherwise, mostly sunny, with a high near 90. Calm wind becoming north around 5 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 67. North wind around 5 mph becoming calm in the evening.
Thursday
Sunny, with a high near 90. Calm wind becoming north northeast around 5 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 67.
Friday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 90.
Friday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 70.
Saturday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 87.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNE Williamsport TN
 35.69°N 87.21°W (Elev. 564 ft)
Last Update:
1:31 pm CDT Jul 26, 2026
Forecast Valid:
2pm CDT Jul 26, 2026-6pm CDT Aug 1, 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