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

9°F

-13°C

Humidity 66%
Wind Speed NW 12 mph
Barometer 30.33 in (1027.9 mb)
Dewpoint 0°F (-18°C)
Visibility 10.00 mi
Wind Chill-6°F (-21°C)
Last update 25 Jan 9:53 pm CST
Extended Forecast for

4 Miles WSW Smithton IL

Extreme Cold Warning January 26, 12:00am until January 26, 12:00pm
Click here for hazard details and duration
Extreme Cold Warning

  • Tonight

    Tonight: Mostly clear, with a low around -7. Wind chill values as low as -20. Northwest wind 8 to 10 mph.

    Low: -7 °F

    Mostly 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: Clear, with a low around 4. Southwest wind 5 to 9 mph, with gusts as high as 21 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 22 mph.

    High: 31 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around -2. Northwest wind around 6 mph becoming calm in the evening.

    Low: -2 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 28.

    High: 28 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 2.

    Low: 2 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny and cold, with a high near 19.

    High: 19 °F

    Cold

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 3.

    Low: 3 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around -7. Wind chill values as low as -20. Northwest wind 8 to 10 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
Clear, with a low around 4. Southwest wind 5 to 9 mph, with gusts as high as 21 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 22 mph.
Tuesday Night
Partly cloudy, with a low around -2. Northwest wind around 6 mph becoming calm in the evening.
Wednesday
Mostly sunny, with a high near 28.
Wednesday Night
Partly cloudy, with a low around 2.
Thursday
Partly sunny and cold, with a high near 19.
Thursday Night
Mostly cloudy, with a low around 3.
Friday
Partly sunny and cold, with a high near 18.
Friday Night
Partly cloudy, with a low around -2.
Saturday
Sunny, with a high near 21.
Saturday Night
Partly cloudy, with a low around 4.
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:
10:16 pm CST Jan 25, 2026
Forecast Valid:
10pm CST Jan 25, 2026-6pm CST Feb 1, 2026
 
Forecast Discussion
 
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Additional Resources

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