National Weather Service Forecast for: Columbia TN
Issued by: National Weather Service Nashville, TN
Updated: 1:31 pm CDT Jun 29, 2026
 
Tonight

Tonight: Mostly clear, with a low around 75. Calm wind.
Mostly Clear

 Tuesday

Tuesday: Sunny and hot, with a high near 99. Heat index values as high as 107. Calm wind.
Hot

 Tuesday
Night
Tuesday Night: Mostly clear, with a low around 77. Calm wind.
Mostly Clear

 Wednesday

Wednesday: A 20 percent chance of showers and thunderstorms after 1pm. Sunny and hot, with a high near 99. Heat index values as high as 109. Calm wind.
Sunny then
Slight Chance
T-storms
 Wednesday
Night
Wednesday Night: A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Mostly clear, with a low around 78. Calm wind. Chance of precipitation is 20%.
Slight Chance
T-storms then
Slight Chance
Showers
 Thursday

Thursday: A 40 percent chance of showers and thunderstorms after 1pm. Sunny and hot, with a high near 99. Calm wind.
Sunny then
Chance
T-storms
 Thursday
Night
Thursday Night: A 20 percent chance of showers and thunderstorms before 1am. Mostly clear, with a low around 75. Calm wind.
Slight Chance
T-storms

 Friday

Friday: A 50 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 96. Calm wind.
Sunny then
Chance
T-storms
 Friday
Night
Friday Night: A 20 percent chance of showers and thunderstorms before 1am. Mostly clear, with a low around 74. Calm wind.
Slight Chance
T-storms
Lo 75 °F Hi 99 °F Lo 77 °F Hi 99 °F Lo 78 °F Hi 99 °F Lo 75 °F Hi 96 °F Lo 74 °F

Extreme Heat Warning
 

Tonight
 
 Mostly clear, with a low around 75. Calm wind.
Tuesday
 
 Sunny and hot, with a high near 99. Heat index values as high as 107. Calm wind.
Tuesday Night
 
 Mostly clear, with a low around 77. Calm wind.
Wednesday
 
 A 20 percent chance of showers and thunderstorms after 1pm. Sunny and hot, with a high near 99. Heat index values as high as 109. Calm wind.
Wednesday Night
 
 A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Mostly clear, with a low around 78. Calm wind. Chance of precipitation is 20%.
Thursday
 
 A 40 percent chance of showers and thunderstorms after 1pm. Sunny and hot, with a high near 99. Calm wind.
Thursday Night
 
 A 20 percent chance of showers and thunderstorms before 1am. Mostly clear, with a low around 75. Calm wind.
Friday
 
 A 50 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 96. Calm wind.
Friday Night
 
 A 20 percent chance of showers and thunderstorms before 1am. Mostly clear, with a low around 74. Calm wind.
Independence Day
 
 A 40 percent chance of showers and thunderstorms, mainly after 1pm. Sunny, with a high near 95.
Saturday Night
 
 A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 74.
Sunday
 
 A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 93.
Sunday Night
 
 A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 74.
Monday
 
 Showers and thunderstorms likely. Mostly sunny, with a high near 91. Chance of precipitation is 60%.

 

Forecast from NOAA-NWS for Columbia TN.