Current conditions at

St. Louis Downtown Airport (KCPS)

Lat: 38.56°NLon: 90.15°WElev: 410ft.

Light Rain

40°F

4°C

Humidity 83%
Wind Speed W 17 G 35 mph
Barometer 29.56 in (1001.0 mb)
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Wind Chill31°F (-1°C)
Last update 15 Mar 7:53 pm CDT
Extended Forecast for

4 Miles SW Waterloo IL

Wind Advisory March 15, 08:05pm until March 16, 12:00pm
Click here for hazard details and duration
Wind Advisory
  •  
    Wind Advisory March 15, 08:05pm until March 16, 12:00pm

    NOW until 12:00pm Mon

    Wind Advisory

  • Tonight

    Low: 23 °F

    Rain/Snow and
    Breezy then
    Slight Chance
    Snow and
    Blustery

  • Monday

    Monday: Scattered flurries with a slight chance of snow before noon, then scattered flurries between noon and 1pm.  Cloudy, with a high near 30. Blustery, with a northwest wind 21 to 24 mph, with gusts as high as 38 mph.  Chance of precipitation is 20%.

    High: 30 °F

    Blustery.
    Slight Chance
    Snow then
    Scattered
    Flurries

  • Monday Night

    Monday Night: Mostly clear, with a low around 15. Northwest wind 11 to 17 mph, with gusts as high as 26 mph.

    Low: 15 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 37. Northwest wind 5 to 9 mph becoming southwest in the afternoon.

    High: 37 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A slight chance of snow before 1am, then a slight chance of rain.  Mostly cloudy, with a low around 30. Southeast wind 5 to 14 mph, with gusts as high as 23 mph.  Chance of precipitation is 20%.

    Low: 30 °F

    Slight Chance
    Snow then
    Slight Chance
    Rain/Snow

  • Wednesday

    Wednesday: Mostly sunny, with a high near 62.

    High: 62 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 43.

    Low: 43 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 71.

    High: 71 °F

    Sunny

Detailed Forecast

Tonight
Rain and snow showers before 11pm, then scattered flurries between 11pm and 5am, then a slight chance of snow showers after 5am. Low around 23. Breezy, with a west wind 20 to 25 mph, with gusts as high as 48 mph. Chance of precipitation is 80%. Total nighttime snow accumulation of less than a half inch possible.
Monday
Scattered flurries with a slight chance of snow before noon, then scattered flurries between noon and 1pm. Cloudy, with a high near 30. Blustery, with a northwest wind 21 to 24 mph, with gusts as high as 38 mph. Chance of precipitation is 20%.
Monday Night
Mostly clear, with a low around 15. Northwest wind 11 to 17 mph, with gusts as high as 26 mph.
Tuesday
Mostly sunny, with a high near 37. Northwest wind 5 to 9 mph becoming southwest in the afternoon.
Tuesday Night
A slight chance of snow before 1am, then a slight chance of rain. Mostly cloudy, with a low around 30. Southeast wind 5 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 20%.
Wednesday
Mostly sunny, with a high near 62.
Wednesday Night
Partly cloudy, with a low around 43.
Thursday
Sunny, with a high near 71.
Thursday Night
Mostly clear, with a low around 44.
Friday
Mostly sunny, with a high near 75.
Friday Night
Partly cloudy, with a low around 51.
Saturday
Sunny, with a high near 76.
Saturday Night
Mostly clear, with a low around 47.
Sunday
Mostly sunny, with a high near 73.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SW Waterloo IL
 38.29°N 90.19°W (Elev. 633 ft)
7:30 pm CDT Mar 15, 2026
8pm CDT Mar 15, 2026-6pm CDT Mar 22, 2026
 
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Additional Resources

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