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.

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

4 Miles WSW Smithton IL

Cold Weather Advisory January 26, 06:00pm until January 27, 06:00am
Extreme Cold Warning January 26, 03:40am until January 26, 12:00pm
Click here for hazard details and duration
Cold Weather Advisory
Extreme Cold Warning
  •  
    Extreme Cold Warning January 26, 03:40am 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. Northwest wind 6 to 9 mph.

    High: 16 °F

    Cold

  • Monday Night

    Monday Night: Mostly clear, with a low around 1. Wind chill values as low as -10. Southwest wind 5 to 9 mph.

    Low: 1 °F

    Mostly Clear

  • Tuesday

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

    High: 31 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around -1. Northwest wind around 6 mph becoming calm in the evening.

    Low: -1 °F

    Partly Cloudy

  • 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. Northwest wind 6 to 9 mph.
Monday Night
Mostly clear, with a low around 1. Wind chill values as low as -10. Southwest wind 5 to 9 mph.
Tuesday
Sunny, with a high near 31. Southwest wind 7 to 10 mph becoming northwest in the afternoon.
Tuesday Night
Partly cloudy, with a low around -1. 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 -3.
Saturday
Mostly sunny, with a high near 22.
Saturday Night
Partly cloudy, with a low around 5.
Sunday
Partly sunny, with a high near 30.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WSW Smithton IL
 38.37°N 90.04°W (Elev. 499 ft)
Last Update:
3:16 am CST Jan 26, 2026
Forecast Valid:
3am CST Jan 26, 2026-6pm CST Feb 1, 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