Showers and Storms continue across the East; Heat, Critical Fire Weather, Drought, and Poor Air Quality continues in the West

A series of fronts will focus locally heavy showers and storms across portions of the central and eastern U.S. through the end of the workweek. Dangerous to extreme heat continues across the Southwest U.S., eventually spreading eastward over the weekend into early next week. Elevated fire weather conditions continue across the Great Basin, with degraded air quality lingering across the Northwest. Read More >

Current conditions at

St. Louis Downtown Airport (KCPS)

Lat: 38.56°NLon: 90.15°WElev: 410ft.

Fair

80°F

27°C

Humidity 64%
Wind Speed S 7 mph
Barometer 30.08 in (1018.1 mb)
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 5 Aug 9:53 am CDT
Extended Forecast for

3 Miles E Columbia IL

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 89. South wind 5 to 7 mph.

    High: 89 °F

    Mostly Sunny

  • Tonight

    Tonight: Showers and thunderstorms likely, mainly after 4am.  Mostly cloudy, with a low around 71. Southeast wind 5 to 7 mph becoming light and variable  after midnight.  Chance of precipitation is 60%.

    Low: 71 °F

    Slight Chance
    T-storms then
    T-storms
    Likely

  • Thursday

    Thursday: Showers and thunderstorms likely, mainly before 2pm.  Cloudy, then gradually becoming mostly sunny, with a high near 84. South wind 3 to 5 mph.  Chance of precipitation is 70%.

    High: 84 °F

    T-storms
    Likely

  • Thursday Night

    Thursday Night: A 50 percent chance of showers and thunderstorms, mainly after 10pm.  Mostly cloudy, with a low around 70. Calm wind becoming east around 5 mph after midnight.

    Low: 70 °F

    Chance
    T-storms

  • Friday

    Friday: A 50 percent chance of showers and thunderstorms.  Partly sunny, with a high near 86. Southwest wind around 6 mph.

    High: 86 °F

    Chance
    T-storms

  • Friday Night

    Friday Night: A 50 percent chance of showers and thunderstorms.  Partly cloudy, with a low around 71.

    Low: 71 °F

    Chance
    T-storms

  • Saturday

    Saturday: Mostly sunny, with a high near 89.

    High: 89 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 71.

    Low: 71 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 91.

    High: 91 °F

    Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 89. South wind 5 to 7 mph.
Tonight
Showers and thunderstorms likely, mainly after 4am. Mostly cloudy, with a low around 71. Southeast wind 5 to 7 mph becoming light and variable after midnight. Chance of precipitation is 60%.
Thursday
Showers and thunderstorms likely, mainly before 2pm. Cloudy, then gradually becoming mostly sunny, with a high near 84. South wind 3 to 5 mph. Chance of precipitation is 70%.
Thursday Night
A 50 percent chance of showers and thunderstorms, mainly after 10pm. Mostly cloudy, with a low around 70. Calm wind becoming east around 5 mph after midnight.
Friday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 86. Southwest wind around 6 mph.
Friday Night
A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 71.
Saturday
Mostly sunny, with a high near 89.
Saturday Night
Mostly clear, with a low around 71.
Sunday
Sunny, with a high near 91.
Sunday Night
Mostly clear, with a low around 74.
Monday
Sunny, with a high near 93.
Monday Night
Mostly clear, with a low around 74.
Tuesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 92.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles E Columbia IL
 38.44°N 90.16°W (Elev. 646 ft)
11:31 am CDT Aug 5, 2026
12pm CDT Aug 5, 2026-6pm CDT Aug 11, 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