Thunderstorms and Heavy Rain in the Mid-South; Heat Continues in the Southeast and Southwest

Severe thunderstorms and heavy rain are expected across portions of the mid-Mississippi Valley into the Ohio Valley and portions of Arizona. Dangerous heat persists in the South and Southeast while building into the Southwest. Overnight lows will be so warm that, when combined with oppressive dew points, little-to-no relief from the scorching daytime highs will be available. Read More >

Current conditions at

Columbia, Columbia Regional Airport (KCOU)

Lat: 38.82°NLon: 92.22°WElev: 889ft.

Rain

69°F

21°C

Humidity 96%
Wind Speed S 6 mph
Barometer 29.95 in (1013.4 mb)
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Last update 19 Aug 5:54 am CDT
Extended Forecast for

6 Miles SSW Harrisburg MO

  • Today

    Today: Showers and possibly a thunderstorm before 10am, then scattered showers and thunderstorms, mainly between 10am and 11am.  High near 81. South wind 5 to 9 mph becoming light and variable.  Chance of precipitation is 80%.

    High: 81 °F

    T-storms then
    Isolated
    T-storms

  • Tonight

    Tonight: Partly cloudy, with a low around 67. Light northeast wind.

    Low: 67 °F

    Partly Cloudy

  • Thursday

    Thursday: Patchy fog before 8am.  Otherwise, mostly sunny, with a high near 83. Northeast wind 3 to 5 mph.

    High: 83 °F

    Patchy Fog
    then Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 66. Calm wind.

    Low: 66 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 86. Light and variable wind.

    High: 86 °F

    Sunny

  • Friday Night

    Friday Night: A 20 percent chance of showers and thunderstorms after 1am.  Mostly clear, with a low around 68.

    Low: 68 °F

    Mostly Clear
    then Slight
    Chance
    T-storms

  • Saturday

    Saturday: Mostly sunny, with a high near 86.

    High: 86 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 66.

    Low: 66 °F

    Mostly Clear

  • Sunday

    Sunday: A 20 percent chance of showers before 1pm.  Mostly sunny, with a high near 83.

    High: 83 °F

    Slight Chance
    Showers

Detailed Forecast

Today
Showers and possibly a thunderstorm before 10am, then scattered showers and thunderstorms, mainly between 10am and 11am. High near 81. South wind 5 to 9 mph becoming light and variable. Chance of precipitation is 80%.
Tonight
Partly cloudy, with a low around 67. Light northeast wind.
Thursday
Patchy fog before 8am. Otherwise, mostly sunny, with a high near 83. Northeast wind 3 to 5 mph.
Thursday Night
Mostly clear, with a low around 66. Calm wind.
Friday
Sunny, with a high near 86. Light and variable wind.
Friday Night
A 20 percent chance of showers and thunderstorms after 1am. Mostly clear, with a low around 68.
Saturday
Mostly sunny, with a high near 86.
Saturday Night
Mostly clear, with a low around 66.
Sunday
A 20 percent chance of showers before 1pm. Mostly sunny, with a high near 83.
Sunday Night
A 30 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 67.
Monday
Partly sunny, with a high near 86.
Monday Night
Partly cloudy, with a low around 68.
Tuesday
Mostly sunny, with a high near 88.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
6 Miles SSW Harrisburg MO
 39.07°N 92.49°W (Elev. 801 ft)
6:21 am CDT Aug 19, 2026
6am CDT Aug 19, 2026-6pm CDT Aug 25, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database