Heavy to Excessive Rains in The Four Corners Region and Midwest; Heat Persists in the South-Central U.S.

Repeated rounds of showers and thunderstorms could bring a flash flooding threat across the Four Corners region and from the mid-Mississippi Valley into the lower Great Lakes. Hot temperatures and high humidity will continue to challenge daily records from the Southern Plains to the lower Mississippi Valley. Read More >

Current conditions at

Columbia, Columbia Regional Airport (KCOU)

Lat: 38.82°NLon: 92.22°WElev: 889ft.

Fair

81°F

27°C

Humidity 77%
Wind Speed SE 8 mph
Barometer 30.26 in (1023.7 mb)
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index86°F (30°C)
Last update 16 Sep 11:54 am CDT
Extended Forecast for

6 Miles SE Harrisburg MO

Heat Advisory September 16, 12:28pm until September 18, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory September 16, 12:28pm until September 18, 08:00pm

    NOW until 8:00pm Fri

    Heat Advisory

  • This Afternoon

    High: 90 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 72. Light and variable wind.

    Low: 72 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 93. Heat index values as high as 103. Calm wind becoming west around 5 mph.

    High: 93 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 71. Light east wind.

    Low: 71 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 93. Light and variable wind becoming south around 6 mph in the morning.

    High: 93 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 72.

    Low: 72 °F

    Mostly Clear

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms before 1pm.  Mostly sunny, with a high near 93.

    High: 93 °F

    Slight Chance
    T-storms

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am.  Partly cloudy, with a low around 69. Chance of precipitation is 60%.

    Low: 69 °F

    Showers
    Likely

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 90. Heat index values as high as 101. East wind around 5 mph.
Tonight
Mostly clear, with a low around 72. Light and variable wind.
Thursday
Sunny, with a high near 93. Heat index values as high as 103. Calm wind becoming west around 5 mph.
Thursday Night
Partly cloudy, with a low around 71. Light east wind.
Friday
Sunny, with a high near 93. Light and variable wind becoming south around 6 mph in the morning.
Friday Night
Mostly clear, with a low around 72.
Saturday
A 20 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 93.
Saturday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Partly cloudy, with a low around 69. Chance of precipitation is 60%.
Sunday
A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 85. Chance of precipitation is 40%.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 65. Chance of precipitation is 40%.
Monday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 79.
Monday Night
A 30 percent chance of showers. Partly cloudy, with a low around 61.
Tuesday
A 20 percent chance of showers. Mostly sunny, with a high near 77.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles SE Harrisburg MO
 39.09°N 92.38°W (Elev. 656 ft)
11:46 am CDT Sep 16, 2026
12pm CDT Sep 16, 2026-6pm CDT Sep 22, 2026
 
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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