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.

Light Snow Fog/Mist

9°F

-13°C

Humidity 84%
Wind Speed N 13 mph
Barometer 30.18 in (1022.7 mb)
Dewpoint 5°F (-15°C)
Visibility 0.75 mi
Wind Chill-7°F (-22°C)
Last update 25 Jan 1:53 am CST
Extended Forecast for

2 Miles SE Cahokia IL

Winter Storm Warning January 25, 02:23am until January 25, 06:00pm
Extreme Cold Warning January 26, 12:00am until January 26, 12:00pm
Click here for hazard details and duration
Winter Storm Warning
Extreme Cold Warning
  •  
    Winter Storm Warning January 25, 02:23am until January 25, 06:00pm

    NOW until 6:00pm Sun

    Winter Storm Warning

  • Overnight

    Low: 9 °F

    Heavy Snow

  • Sunday

    Sunday: Snow, mainly before 2pm. High near 15. North wind 13 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.

    High: 15 °F

    Snow then
    Snow Likely

  • Sunday Night

    Sunday Night: Mostly cloudy during the early evening, then gradual clearing, with a low around -5. Wind chill values as low as -20. Northwest wind 8 to 14 mph, with gusts as high as 23 mph.

    Low: -5 °F

    Gradual
    Clearing

  • Monday

    Monday: Sunny and cold, with a high near 16. Wind chill values as low as -20. Northwest wind 6 to 10 mph.

    High: 16 °F

    Cold

  • Monday Night

    Monday Night: Clear, with a low around 4. 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.

    High: 31 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around -1.

    Low: -1 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 25.

    High: 25 °F

    Mostly Sunny

Detailed Forecast

Overnight
Snow. The snow could be heavy at times. Low around 9. North wind around 13 mph, with gusts as high as 22 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of 3 to 7 inches possible.
Sunday
Snow, mainly before 2pm. High near 15. North wind 13 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.
Sunday Night
Mostly cloudy during the early evening, then gradual clearing, with a low around -5. Wind chill values as low as -20. Northwest wind 8 to 14 mph, with gusts as high as 23 mph.
Monday
Sunny and cold, with a high near 16. Wind chill values as low as -20. Northwest wind 6 to 10 mph.
Monday Night
Clear, with a low around 4. Southwest wind 6 to 10 mph, with gusts as high as 20 mph.
Tuesday
Sunny, with a high near 31.
Tuesday Night
Partly cloudy, with a low around -1.
Wednesday
Mostly sunny, with a high near 25.
Wednesday Night
Partly cloudy, with a low around 1.
Thursday
Partly sunny, with a high near 21.
Thursday Night
Mostly cloudy, with a low around 8.
Friday
Partly sunny, with a high near 22.
Friday Night
Partly cloudy, with a low around 4.
Saturday
Mostly sunny, with a high near 22.
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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:
1:51 am CST Jan 25, 2026
Forecast Valid:
2am CST Jan 25, 2026-6pm CST Jan 31, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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