National Weather Service Forecast for: Columbia MO
Issued by: National Weather Service Saint Louis, MO
Updated: 1:21 am CDT Jun 30, 2026
 
Overnight

Overnight: Mostly clear, with a low around 75. South wind around 8 mph.
Mostly Clear
Tuesday

Tuesday: Sunny, with a high near 95. Heat index values as high as 104. Southwest wind 7 to 11 mph, with gusts as high as 21 mph.
Sunny
Tuesday
Night
Tuesday Night: Clear, with a low around 75. South wind 5 to 9 mph.
Clear
Wednesday

Wednesday: Sunny, with a high near 94. Heat index values as high as 103. South wind 6 to 11 mph, with gusts as high as 20 mph.
Sunny
Wednesday
Night
Wednesday Night: Mostly clear, with a low around 76. South wind 5 to 8 mph.
Mostly Clear
Thursday

Thursday: Sunny, with a high near 96.
Sunny
Thursday
Night
Thursday Night: Partly cloudy, with a low around 76.
Partly Cloudy
Friday

Friday: Mostly sunny, with a high near 95.
Mostly Sunny
Friday
Night
Friday Night: Partly cloudy, with a low around 75.
Partly Cloudy
Lo 75 °F Hi 95 °F Lo 75 °F Hi 94 °F Lo 76 °F Hi 96 °F Lo 76 °F Hi 95 °F Lo 75 °F

Extreme Heat Warning
 

Overnight
 
Mostly clear, with a low around 75. South wind around 8 mph.
Tuesday
 
Sunny, with a high near 95. Heat index values as high as 104. Southwest wind 7 to 11 mph, with gusts as high as 21 mph.
Tuesday Night
 
Clear, with a low around 75. South wind 5 to 9 mph.
Wednesday
 
Sunny, with a high near 94. Heat index values as high as 103. South wind 6 to 11 mph, with gusts as high as 20 mph.
Wednesday Night
 
Mostly clear, with a low around 76. South wind 5 to 8 mph.
Thursday
 
Sunny, with a high near 96.
Thursday Night
 
Partly cloudy, with a low around 76.
Friday
 
Mostly sunny, with a high near 95.
Friday Night
 
Partly cloudy, with a low around 75.
Independence Day
 
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 95.
Saturday Night
 
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 74.
Sunday
 
A 30 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 72.
Monday
 
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 91.

 

Forecast from NOAA-NWS for Columbia MO.