Hazardous Weather Conditions
Current conditions at
Columbia / Maury County (KMRC)
Lat: 35.55°NLon: 87.18°WElev: 676ft.
Fair
91°F
33°C
| Humidity | 46% |
| Wind Speed | Vrbl 5 mph |
| Barometer | 30.17 in |
| Dewpoint | 68°F (20°C) |
| Visibility | 9.00 mi |
| Heat Index | 95°F (35°C) |
| Last update | 15 Aug 11:10 am CDT |
Extended Forecast for
3 Miles S Williamsport TN
Extreme Heat Warning August 15, 11:33am until August 16, 07:00pm
NOW until 7:00pm Sun

Extreme Heat Warning
Today

High: 98 °F
Hot
Tonight

Low: 74 °F
Mostly Clear
Sunday

High: 99 °F
Hot
Sunday Night

Low: 77 °F
Mostly Clear
Monday
High: 97 °F
Sunny then
Slight Chance
T-stormsMonday Night
Low: 72 °F
Partly Cloudy
then Areas
FogTuesday
High: 93 °F
Areas Fog
then SunnyTuesday Night

Low: 72 °F
Partly Cloudy
Detailed Forecast
Today
Sunny and hot, with a high near 98. Heat index values as high as 105. West wind around 5 mph.
Tonight
Mostly clear, with a low around 74. Calm wind.
Sunday
Sunny and hot, with a high near 99. Heat index values as high as 108. Calm wind becoming west around 5 mph in the morning.
Sunday Night
Mostly clear, with a low around 77. Calm wind.
Monday
A 20 percent chance of showers and thunderstorms after 1pm. Sunny and hot, with a high near 97. Calm wind becoming west northwest around 5 mph in the morning.
Monday Night
Areas of fog after 5am. Otherwise, partly cloudy, with a low around 72. North northwest wind around 5 mph becoming calm in the evening.
Tuesday
Areas of fog before 8am. Otherwise, sunny, with a high near 93. Calm wind becoming north around 5 mph.
Tuesday Night
Partly cloudy, with a low around 72. Calm wind.
Wednesday
Sunny and hot, with a high near 97. Calm wind becoming west southwest around 5 mph in the afternoon.
Wednesday Night
A 30 percent chance of showers and thunderstorms, mainly before 1am. Partly cloudy, with a low around 74.
Thursday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 92.
Thursday Night
Partly cloudy, with a low around 69.
Friday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 90.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
3 Miles S Williamsport TN
35.61°N 87.24°W (Elev. 801 ft)
35.61°N 87.24°W (Elev. 801 ft)
11:16 am CDT Aug 15, 2026
11am CDT Aug 15, 2026-6pm CDT Aug 21, 2026



