Hazardous Weather Conditions

Current conditions at

St. Louis Downtown Airport (KCPS)

Lat: 38.56°NLon: 90.15°WElev: 410ft.

Overcast

7°F

-14°C

Humidity 84%
Wind Speed Calm
Barometer 30.40 in (1029.9 mb)
Dewpoint 3°F (-16°C)
Visibility 10.00 mi
Last update 28 Jan 3:53 am CST
Extended Forecast for

4 Miles SW Waterloo IL

  • Today

    Today: Sunny, with a high near 31. West wind 5 to 9 mph.

    High: 31 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 10. Calm wind becoming northeast around 5 mph.

    Low: 10 °F

    Increasing
    Clouds

  • Thursday

    Thursday: Mostly cloudy, with a high near 25. Northeast wind around 6 mph.

    High: 25 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 7. North wind around 6 mph.

    Low: 7 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny and cold, with a high near 17. North wind 6 to 10 mph.

    High: 17 °F

    Cold

  • Friday Night

    Friday Night: Partly cloudy, with a low around 1.

    Low: 1 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny and cold, with a high near 17.

    High: 17 °F

    Cold

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 1.

    Low: 1 °F

    Mostly Clear

  • Sunday

    Sunday: A 20 percent chance of snow after noon.  Mostly sunny, with a high near 28.

    High: 28 °F

    Mostly Sunny
    then Slight
    Chance Snow

Detailed Forecast

Today
Sunny, with a high near 31. West wind 5 to 9 mph.
Tonight
Increasing clouds, with a low around 10. Calm wind becoming northeast around 5 mph.
Thursday
Mostly cloudy, with a high near 25. Northeast wind around 6 mph.
Thursday Night
Mostly cloudy, with a low around 7. North wind around 6 mph.
Friday
Partly sunny and cold, with a high near 17. North wind 6 to 10 mph.
Friday Night
Partly cloudy, with a low around 1.
Saturday
Mostly sunny and cold, with a high near 17.
Saturday Night
Mostly clear, with a low around 1.
Sunday
A 20 percent chance of snow after noon. Mostly sunny, with a high near 28.
Sunday Night
Mostly cloudy, with a low around 15.
Monday
Partly sunny, with a high near 36.
Monday Night
Mostly cloudy, with a low around 19.
Tuesday
A 20 percent chance of rain. Mostly cloudy, with a high near 36.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SW Waterloo IL
 38.29°N 90.19°W (Elev. 633 ft)
3:16 am CST Jan 28, 2026
4am CST Jan 28, 2026-6pm CST Feb 3, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database