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Hazardous Weather Conditions

Current conditions at

St. Louis Downtown Airport (KCPS)

Lat: 38.56°NLon: 90.15°WElev: 410ft.

Fair

27°F

-3°C

Humidity 51%
Wind Speed W 8 mph
Barometer 29.96 in (1014.7 mb)
Dewpoint 11°F (-12°C)
Visibility 10.00 mi
Wind Chill19°F (-7°C)
Last update 17 Jan 12:53 am CST
Extended Forecast for

4 Miles SW Waterloo IL

  • Overnight

    Overnight: A 20 percent chance of snow before 3am. Partly cloudy, with a low around 21. Northwest wind 8 to 11 mph, with gusts as high as 25 mph.

    Low: 21 °F

    Slight Chance
    Snow

  • Saturday

    Saturday: A slight chance of snow before 10am, then a slight chance of flurries after 5pm. Partly sunny, with a high near 28. West wind 8 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.

    High: 28 °F

    Slight Chance
    Snow then
    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, then gradually becoming clear, with a low around 9. West wind 6 to 13 mph, with gusts as high as 20 mph.

    Low: 9 °F

    Decreasing
    Clouds

  • Sunday

    Sunday: Mostly sunny, with a high near 34. Southwest wind 6 to 11 mph, with gusts as high as 21 mph.

    High: 34 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 15. West wind 8 to 14 mph becoming northwest after midnight. Winds could gust as high as 23 mph.

    Low: 15 °F

    Partly Cloudy

  • M.L.King Day

    M.L.King Day: Sunny, with a high near 24.

    High: 24 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 10.

    Low: 10 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 38.

    High: 38 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 27.

    Low: 27 °F

    Mostly Clear

Detailed Forecast

Overnight
A 20 percent chance of snow before 3am. Partly cloudy, with a low around 21. Northwest wind 8 to 11 mph, with gusts as high as 25 mph.
Saturday
A slight chance of snow before 10am, then a slight chance of flurries after 5pm. Partly sunny, with a high near 28. West wind 8 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
Saturday Night
Mostly cloudy, then gradually becoming clear, with a low around 9. West wind 6 to 13 mph, with gusts as high as 20 mph.
Sunday
Mostly sunny, with a high near 34. Southwest wind 6 to 11 mph, with gusts as high as 21 mph.
Sunday Night
Partly cloudy, with a low around 15. West wind 8 to 14 mph becoming northwest after midnight. Winds could gust as high as 23 mph.
M.L.King Day
Sunny, with a high near 24.
Monday Night
Mostly clear, with a low around 10.
Tuesday
Sunny, with a high near 38.
Tuesday Night
Mostly clear, with a low around 27.
Wednesday
Mostly sunny, with a high near 50.
Wednesday Night
Partly cloudy, with a low around 25.
Thursday
A 20 percent chance of rain. Mostly sunny, with a high near 37.
Thursday Night
A chance of rain and snow. Partly cloudy, with a low around 24. Chance of precipitation is 30%.
Friday
A 20 percent chance of rain. Mostly sunny, with a high near 40.
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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:
9:56 pm CST Jan 16, 2026
Forecast Valid:
1am CST Jan 17, 2026-6pm CST Jan 23, 2026
 
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