Hazardous Weather Conditions

Current conditions at

St. Louis Downtown Airport (KCPS)

Lat: 38.56°NLon: 90.15°WElev: 410ft.

Fair

29°F

-2°C

Humidity 45%
Wind Speed NW 16 mph
Barometer 30.32 in (1027.2 mb)
Dewpoint 10°F (-12°C)
Visibility 10.00 mi
Wind Chill17°F (-8°C)
Last update 27 Jan 2:53 pm CST
Extended Forecast for

4 Miles SW Waterloo IL

  • Tonight

    Tonight: Mostly clear, with a low around 3. North wind 5 to 7 mph becoming calm  in the evening.

    Low: 3 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 31. Light west wind increasing to 5 to 9 mph in the morning.

    High: 31 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Increasing clouds, with a low around 10. Southwest wind around 5 mph becoming light and variable  in the evening.

    Low: 10 °F

    Increasing
    Clouds

  • Thursday

    Thursday: Mostly cloudy, with a high near 24. Northeast wind 3 to 6 mph.

    High: 24 °F

    Mostly Cloudy

  • Thursday Night

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

    Low: 6 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny and cold, with a high near 16.

    High: 16 °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: Partly cloudy, with a low around 1.

    Low: 1 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 3. North wind 5 to 7 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 31. Light west wind increasing to 5 to 9 mph in the morning.
Wednesday Night
Increasing clouds, with a low around 10. Southwest wind around 5 mph becoming light and variable in the evening.
Thursday
Mostly cloudy, with a high near 24. Northeast wind 3 to 6 mph.
Thursday Night
Mostly cloudy, with a low around 6. North wind around 6 mph.
Friday
Mostly sunny and cold, with a high near 16.
Friday Night
Partly cloudy, with a low around 1.
Saturday
Mostly sunny and cold, with a high near 17.
Saturday Night
Partly cloudy, with a low around 1.
Sunday
Partly sunny, with a high near 27.
Sunday Night
Mostly cloudy, with a low around 15.
Monday
Partly sunny, with a high near 33.
Monday Night
Mostly cloudy, with a low around 15.
Tuesday
Partly sunny, with a high near 34.
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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 pm CST Jan 27, 2026
3pm CST Jan 27, 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