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.

Overcast

15°F

-9°C

Humidity 64%
Wind Speed N 9 mph
Barometer 30.36 in (1028.6 mb)
Dewpoint 5°F (-15°C)
Visibility 10.00 mi
Wind Chill3°F (-16°C)
Last update 30 Jan 12:53 am CST
Extended Forecast for

2 Miles SE Cahokia IL

  • Overnight

    Overnight: Mostly cloudy, with a low around 4. North wind around 6 mph.

    Low: 4 °F

    Mostly Cloudy

  • Friday

    Friday: A chance of flurries after 1pm. Partly sunny and cold, with a high near 19. North wind 5 to 10 mph.

    High: 19 °F

    Chance
    Flurries

  • Friday Night

    Friday Night: A chance of flurries before midnight. Cloudy during the early evening, then gradual clearing, with a low around 5. North wind around 10 mph, with gusts as high as 21 mph.

    Low: 5 °F

    Chance
    Flurries

  • Saturday

    Saturday: Mostly sunny and cold, with a high near 18. Wind chill values as low as -10. Northwest wind 8 to 13 mph, with gusts as high as 22 mph.

    High: 18 °F

    Cold

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 1. Northwest wind 5 to 7 mph becoming calm in the evening.

    Low: 1 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 30.

    High: 30 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 20.

    Low: 20 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 34.

    High: 34 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 20.

    Low: 20 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 4. North wind around 6 mph.
Friday
A chance of flurries after 1pm. Partly sunny and cold, with a high near 19. North wind 5 to 10 mph.
Friday Night
A chance of flurries before midnight. Cloudy during the early evening, then gradual clearing, with a low around 5. North wind around 10 mph, with gusts as high as 21 mph.
Saturday
Mostly sunny and cold, with a high near 18. Wind chill values as low as -10. Northwest wind 8 to 13 mph, with gusts as high as 22 mph.
Saturday Night
Mostly clear, with a low around 1. Northwest wind 5 to 7 mph becoming calm in the evening.
Sunday
Mostly sunny, with a high near 30.
Sunday Night
Mostly cloudy, with a low around 20.
Monday
Partly sunny, with a high near 34.
Monday Night
Mostly cloudy, with a low around 20.
Tuesday
A slight chance of rain and snow after noon. Mostly cloudy, with a high near 36. Chance of precipitation is 20%.
Tuesday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 24.
Wednesday
A 20 percent chance of snow. Mostly cloudy, with a high near 34.
Wednesday Night
Mostly cloudy, with a low around 21.
Thursday
Partly sunny, with a high near 35.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SE Cahokia IL
 38.53°N 90.15°W (Elev. 499 ft)
Last Update:
10:01 pm CST Jan 29, 2026
Forecast Valid:
1am CST Jan 30, 2026-6pm CST Feb 5, 2026
 
Forecast Discussion
 
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Additional Resources

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National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation