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.

Mostly Cloudy

14°F

-10°C

Humidity 73%
Wind Speed NW 17 mph
Barometer 30.15 in (1021.6 mb)
Dewpoint 7°F (-14°C)
Visibility 10.00 mi
Wind Chill-2°F (-19°C)
Last update 25 Jan 2:53 pm CST
Extended Forecast for

4 Miles SW Waterloo IL

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

  • This Afternoon

    This Afternoon: A 20 percent chance of snow before 4pm. Cloudy and cold, with a high near 14. Northwest wind around 15 mph, with gusts as high as 25 mph.

    High: 14 °F

    Slight Chance
    Snow

  • Tonight

    Tonight: Cloudy during the early evening, then gradual clearing, with a low around -6. Wind chill values as low as -20. Northwest wind 8 to 13 mph, with gusts as high as 23 mph.

    Low: -6 °F

    Gradual
    Clearing

  • Monday

    Monday: Sunny and cold, with a high near 16. Wind chill values as low as -20. Northwest wind 7 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 32. West wind 7 to 10 mph becoming northwest in the afternoon. Winds could gust as high as 20 mph.

    High: 32 °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 29.

    High: 29 °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 20.

    High: 20 °F

    Cold

Detailed Forecast

This Afternoon
A 20 percent chance of snow before 4pm. Cloudy and cold, with a high near 14. Northwest wind around 15 mph, with gusts as high as 25 mph.
Tonight
Cloudy during the early evening, then gradual clearing, with a low around -6. Wind chill values as low as -20. Northwest wind 8 to 13 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 7 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 32. West wind 7 to 10 mph becoming northwest in the afternoon. Winds could gust as high as 20 mph.
Tuesday Night
Partly cloudy, with a low around -1.
Wednesday
Mostly sunny, with a high near 29.
Wednesday Night
Partly cloudy, with a low around 2.
Thursday
Partly sunny and cold, with a high near 20.
Thursday Night
Mostly cloudy, with a low around 4.
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 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 SW Waterloo IL
 38.29°N 90.19°W (Elev. 633 ft)
Last Update:
1:31 pm CST Jan 25, 2026
Forecast Valid:
3pm CST Jan 25, 2026-6pm CST Feb 1, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation