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Hazardous Weather Conditions

Current conditions at

St. Louis Downtown Airport (KCPS)

Lat: 38.56°NLon: 90.15°WElev: 410ft.

Light Snow and Breezy

31°F

-1°C

Humidity 69%
Wind Speed NW 21 G 37 mph
Barometer 29.75 in (1007.5 mb)
Dewpoint 22°F (-6°C)
Visibility 9.00 mi
Wind Chill18°F (-8°C)
Last update 16 Mar 2:53 am CDT
Extended Forecast for

4 Miles S Waterloo IL

Wind Advisory March 16, 03:31am until March 16, 12:00pm
Click here for hazard details and duration
Wind Advisory
  •  
    Wind Advisory March 16, 03:31am until March 16, 12:00pm

    NOW until 12:00pm Mon

    Wind Advisory

  • Overnight

    Low: 22 °F

    Chance
    Flurries and
    Blustery

  • Monday

    Monday: A chance of flurries with a slight chance of snow before 9am, then a slight chance of snow between 9am and 11am. Cloudy, with a high near 30. Blustery, with a northwest wind 21 to 25 mph, with gusts as high as 36 mph. Chance of precipitation is 20%.

    High: 30 °F

    Blustery.
    Slight Chance
    Snow then
    Mostly Cloudy

  • Monday Night

    Monday Night: Partly cloudy, with a low around 14. Northwest wind 13 to 17 mph, with gusts as high as 26 mph.

    Low: 14 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 38. Northwest wind 5 to 10 mph becoming southwest in the afternoon.

    High: 38 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A chance of snow before 10pm, then a chance of rain and snow between 10pm and 4am, then a chance of rain after 4am. Mostly cloudy, with a low around 31. Southeast wind 6 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 30%.

    Low: 31 °F

    Chance
    Rain/Snow

  • Wednesday

    Wednesday: Mostly sunny, with a high near 64.

    High: 64 °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 73.

    High: 73 °F

    Sunny

Detailed Forecast

Overnight
A chance of flurries before 5am. Cloudy, with a low around 22. Blustery, with a northwest wind around 26 mph, with gusts as high as 36 mph.
Monday
A chance of flurries with a slight chance of snow before 9am, then a slight chance of snow between 9am and 11am. Cloudy, with a high near 30. Blustery, with a northwest wind 21 to 25 mph, with gusts as high as 36 mph. Chance of precipitation is 20%.
Monday Night
Partly cloudy, with a low around 14. Northwest wind 13 to 17 mph, with gusts as high as 26 mph.
Tuesday
Mostly sunny, with a high near 38. Northwest wind 5 to 10 mph becoming southwest in the afternoon.
Tuesday Night
A chance of snow before 10pm, then a chance of rain and snow between 10pm and 4am, then a chance of rain after 4am. Mostly cloudy, with a low around 31. Southeast wind 6 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 30%.
Wednesday
Mostly sunny, with a high near 64.
Wednesday Night
Partly cloudy, with a low around 43.
Thursday
Sunny, with a high near 73.
Thursday Night
Partly cloudy, with a low around 44.
Friday
Mostly sunny, with a high near 74.
Friday Night
Partly cloudy, with a low around 53.
Saturday
Sunny, with a high near 78.
Saturday Night
Mostly clear, with a low around 50.
Sunday
Sunny, with a high near 71.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles S Waterloo IL
 38.26°N 90.16°W (Elev. 659 ft)
Last Update:
2:06 am CDT Mar 16, 2026
Forecast Valid:
3am CDT Mar 16, 2026-6pm CDT Mar 22, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation