Current conditions at

St. Louis Downtown Airport (KCPS)

Lat: 38.56°NLon: 90.15°WElev: 410ft.

Fair

3°F

-16°C

Humidity 69%
Wind Speed NW 10 mph
Barometer 30.40 in (1030.3 mb)
Dewpoint -5°F (-21°C)
Visibility 10.00 mi
Wind Chill-12°F (-24°C)
Last update 26 Jan 1:53 am CST
Extended Forecast for

2 Miles SE Cahokia IL

Cold Weather Advisory January 26, 06:00pm until January 27, 06:00am
Extreme Cold Warning January 26, 02:33am until January 26, 12:00pm
Click here for hazard details and duration
Cold Weather Advisory
Extreme Cold Warning
  •  
    Extreme Cold Warning January 26, 02:33am until January 26, 12:00pm

    NOW until 12:00pm Mon

    Extreme Cold Warning

  • Overnight

    Low: -7 °F

    Clear

  • Monday

    Monday: Sunny and cold, with a high near 16. Wind chill values as low as -25. West wind 6 to 9 mph.

    High: 16 °F

    Cold

  • Monday Night

    Monday Night: Clear, with a temperature falling to near 4 by 8pm, then rising to around 12 during the remainder of the night. Southwest wind 6 to 10 mph, with gusts as high as 20 mph.

    Low: 4 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 31. Southwest wind 7 to 10 mph becoming northwest in the afternoon. Winds could gust as high as 20 mph.

    High: 31 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 0. Northwest wind around 6 mph becoming calm  in the evening.

    Low: 0 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 30.

    High: 30 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 5.

    Low: 5 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly cloudy and cold, with a high near 20.

    High: 20 °F

    Cold

Detailed Forecast

Overnight
Clear, with a low around -7. Wind chill values as low as -20. Northwest wind around 9 mph.
Monday
Sunny and cold, with a high near 16. Wind chill values as low as -25. West wind 6 to 9 mph.
Monday Night
Clear, with a temperature falling to near 4 by 8pm, then rising to around 12 during the remainder of the night. Southwest wind 6 to 10 mph, with gusts as high as 20 mph.
Tuesday
Sunny, with a high near 31. Southwest wind 7 to 10 mph becoming northwest in the afternoon. Winds could gust as high as 20 mph.
Tuesday Night
Mostly clear, with a low around 0. Northwest wind around 6 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 30.
Wednesday Night
Partly cloudy, with a low around 5.
Thursday
Mostly cloudy and cold, with a high near 20.
Thursday Night
Mostly cloudy, with a low around 2.
Friday
Mostly sunny and cold, with a high near 17.
Friday Night
Mostly clear, with a low around -2.
Saturday
Mostly sunny, with a high near 22.
Saturday Night
Partly cloudy, with a low around 6.
Sunday
Partly sunny, with a high near 31.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SE Cahokia IL
 38.53°N 90.15°W (Elev. 499 ft)
2:06 am CST Jan 26, 2026
2am CST Jan 26, 2026-6pm CST Feb 1, 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