National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

St. Louis Downtown Airport (KCPS)

Lat: 38.56°NLon: 90.15°WElev: 410ft.

A Few Clouds

85°F

29°C

Humidity 75%
Wind Speed SE 7 mph
Barometer 30.03 in (1016.4 mb)
Dewpoint 76°F (24°C)
Visibility 10.00 mi
Heat Index95°F (35°C)
Last update 18 Jul 6:53 pm CDT
Extended Forecast for

5 Miles SSW Columbia IL

Extreme Heat Warning July 19, 12:00pm until July 23, 07:00pm
Click here for hazard details and duration
Extreme Heat Warning

  • Tonight

    Tonight: Scattered showers and thunderstorms before 4am, then isolated showers. Mostly cloudy, with a low around 74. Light south wind. Chance of precipitation is 30%.

    Low: 74 °F

    Scattered
    T-storms

  • Saturday

    Saturday: Isolated showers, then a chance of showers and thunderstorms after 7am. Mostly sunny, with a high near 93. Heat index values as high as 109. Southwest wind 3 to 7 mph. Chance of precipitation is 40%.

    High: 93 °F

    Chance
    T-storms

  • Saturday Night

    Saturday Night: A 20 percent chance of showers and thunderstorms before 1am. Mostly clear, with a low around 76. Southwest wind 3 to 5 mph.

    Low: 76 °F

    Slight Chance
    T-storms

  • Sunday

    Sunday: Mostly sunny, with a high near 96. Heat index values as high as 110. West wind 3 to 6 mph.

    High: 96 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 76. Southwest wind around 5 mph becoming calm in the evening.

    Low: 76 °F

    Slight Chance
    T-storms

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 96.

    High: 96 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Monday Night

    Monday Night: Mostly clear, with a low around 76.

    Low: 76 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 98.

    High: 98 °F

    Hot

  • Tuesday Night

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

    Low: 77 °F

    Mostly Clear

Detailed Forecast

Tonight
Scattered showers and thunderstorms before 4am, then isolated showers. Mostly cloudy, with a low around 74. Light south wind. Chance of precipitation is 30%.
Saturday
Isolated showers, then a chance of showers and thunderstorms after 7am. Mostly sunny, with a high near 93. Heat index values as high as 109. Southwest wind 3 to 7 mph. Chance of precipitation is 40%.
Saturday Night
A 20 percent chance of showers and thunderstorms before 1am. Mostly clear, with a low around 76. Southwest wind 3 to 5 mph.
Sunday
Mostly sunny, with a high near 96. Heat index values as high as 110. West wind 3 to 6 mph.
Sunday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 76. Southwest wind around 5 mph becoming calm in the evening.
Monday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 96.
Monday Night
Mostly clear, with a low around 76.
Tuesday
Sunny and hot, with a high near 98.
Tuesday Night
Mostly clear, with a low around 77.
Wednesday
Sunny and hot, with a high near 99.
Wednesday Night
Mostly clear, with a low around 77.
Thursday
Sunny and hot, with a high near 99.
Thursday Night
Mostly clear, with a low around 77.
Friday
Sunny and hot, with a high near 98.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SSW Columbia IL
 38.4°N 90.24°W (Elev. 518 ft)
Last Update:
5:36 pm CDT Jul 18, 2025
Forecast Valid:
7pm CDT Jul 18, 2025-6pm CDT Jul 25, 2025
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation