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Hazardous Weather Conditions

Current conditions at

St. Louis Downtown Airport (KCPS)

Lat: 38.56°NLon: 90.15°WElev: 410ft.

Fair

62°F

17°C

Humidity 65%
Wind Speed SE 8 G 18 mph
Barometer 29.52 in (999.5 mb)
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Last update 15 Mar 5:53 am CDT
Extended Forecast for

4 Miles SE Cahokia IL

Wind Advisory March 15, 10:00am until March 16, 12:00pm
Click here for hazard details and duration
Wind Advisory

  • Today

    Today: A chance of rain and thunderstorms, then rain and possibly a thunderstorm after 3pm. High near 67. Breezy, with a south wind 14 to 24 mph, with gusts as high as 41 mph. Chance of precipitation is 90%.

    High: 67 °F

    Breezy.
    Chance Rain
    then Rain

  • Tonight

    Tonight: Rain before 2am, then a slight chance of snow between 2am and 3am. Low around 22. Breezy, with a west wind 24 to 26 mph, with gusts as high as 45 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    Low: 22 °F

    Breezy. Rain
    then Slight
    Chance Snow

  • Monday

    Monday: A slight chance of snow between 7am and 1pm. Partly sunny, with a high near 31. Blustery, with a northwest wind 22 to 25 mph, with gusts as high as 40 mph. Chance of precipitation is 20%.

    High: 31 °F

    Slight Chance
    Snow and
    Blustery

  • Monday Night

    Monday Night: Mostly clear, with a low around 15. Northwest wind 10 to 18 mph, with gusts as high as 28 mph.

    Low: 15 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 38. Northwest wind around 6 mph becoming southwest in the afternoon.

    High: 38 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A slight chance of snow between 1am and 4am, then a slight chance of rain after 4am. Mostly cloudy, with a low around 32. Chance of precipitation is 20%.

    Low: 32 °F

    Mostly Cloudy
    then Slight
    Chance
    Rain/Snow

  • Wednesday

    Wednesday: Partly sunny, with a high near 64.

    High: 64 °F

    Partly 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

Today
A chance of rain and thunderstorms, then rain and possibly a thunderstorm after 3pm. High near 67. Breezy, with a south wind 14 to 24 mph, with gusts as high as 41 mph. Chance of precipitation is 90%.
Tonight
Rain before 2am, then a slight chance of snow between 2am and 3am. Low around 22. Breezy, with a west wind 24 to 26 mph, with gusts as high as 45 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Monday
A slight chance of snow between 7am and 1pm. Partly sunny, with a high near 31. Blustery, with a northwest wind 22 to 25 mph, with gusts as high as 40 mph. Chance of precipitation is 20%.
Monday Night
Mostly clear, with a low around 15. Northwest wind 10 to 18 mph, with gusts as high as 28 mph.
Tuesday
Mostly sunny, with a high near 38. Northwest wind around 6 mph becoming southwest in the afternoon.
Tuesday Night
A slight chance of snow between 1am and 4am, then a slight chance of rain after 4am. Mostly cloudy, with a low around 32. Chance of precipitation is 20%.
Wednesday
Partly sunny, with a high near 64.
Wednesday Night
Partly cloudy, with a low around 43.
Thursday
Sunny, with a high near 71.
Thursday Night
Mostly clear, with a low around 46.
Friday
Mostly sunny, with a high near 76.
Friday Night
Mostly cloudy, with a low around 49.
Saturday
Mostly sunny, with a high near 69.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SE Cahokia IL
 38.53°N 90.12°W (Elev. 499 ft)
Last Update:
5:51 am CDT Mar 15, 2026
Forecast Valid:
6am CDT Mar 15, 2026-6pm CDT Mar 21, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation