Current conditions at

St. Louis Downtown Airport (KCPS)

Lat: 38.56°NLon: 90.15°WElev: 410ft.

Fair

58°F

14°C

Humidity 36%
Wind Speed SE 15 G 25 mph
Barometer 30.02 in (1016.7 mb)
Dewpoint 31°F (-1°C)
Visibility 10.00 mi
Last update 14 Mar 12:53 pm CDT
Extended Forecast for

5 Miles NE Valmeyer IL

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

    This Afternoon: Sunny, with a high near 65. Southeast wind around 11 mph, with gusts as high as 20 mph.

    High: 65 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 56. South wind 8 to 15 mph, with gusts as high as 28 mph.

    Low: 56 °F

    Increasing
    Clouds

  • Sunday

    Sunday: A chance of rain and thunderstorms before 3pm, then rain and possibly a thunderstorm between 3pm and 4pm, then rain after 4pm.  High near 67. Breezy, with a south wind 18 to 22 mph, with gusts as high as 38 mph.  Chance of precipitation is 90%.

    High: 67 °F

    Breezy.
    Slight Chance
    T-storms then
    Rain

  • Sunday Night

    Sunday Night: Rain before 10pm, then a chance of snow.  Low around 21. 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: 21 °F

    Breezy.
    Rain/Snow
    then Slight
    Chance Snow

  • Monday

    Monday: A slight chance of snow between 7am and 1pm.  Mostly cloudy, with a high near 30. Blustery, with a northwest wind 20 to 25 mph, with gusts as high as 40 mph.  Chance of precipitation is 20%.

    High: 30 °F

    Slight Chance
    Snow and
    Blustery

  • Monday Night

    Monday Night: Mostly clear, with a low around 13.

    Low: 13 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 39.

    High: 39 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A slight chance of snow before 1am, then a chance of rain and snow.  Mostly cloudy, with a low around 31. Chance of precipitation is 30%.

    Low: 31 °F

    Slight Chance
    Snow then
    Chance
    Rain/Snow

  • Wednesday

    Wednesday: Partly sunny, with a high near 65.

    High: 65 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 65. Southeast wind around 11 mph, with gusts as high as 20 mph.
Tonight
Increasing clouds, with a low around 56. South wind 8 to 15 mph, with gusts as high as 28 mph.
Sunday
A chance of rain and thunderstorms before 3pm, then rain and possibly a thunderstorm between 3pm and 4pm, then rain after 4pm. High near 67. Breezy, with a south wind 18 to 22 mph, with gusts as high as 38 mph. Chance of precipitation is 90%.
Sunday Night
Rain before 10pm, then a chance of snow. Low around 21. 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. Mostly cloudy, with a high near 30. Blustery, with a northwest wind 20 to 25 mph, with gusts as high as 40 mph. Chance of precipitation is 20%.
Monday Night
Mostly clear, with a low around 13.
Tuesday
Sunny, with a high near 39.
Tuesday Night
A slight chance of snow before 1am, then a chance of rain and snow. Mostly cloudy, with a low around 31. Chance of precipitation is 30%.
Wednesday
Partly sunny, with a high near 65.
Wednesday Night
Mostly clear, with a low around 40.
Thursday
Sunny, with a high near 73.
Thursday Night
Partly cloudy, with a low around 48.
Friday
Sunny, with a high near 72.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles NE Valmeyer IL
 38.35°N 90.27°W (Elev. 397 ft)
11:41 am CDT Mar 14, 2026
1pm CDT Mar 14, 2026-6pm CDT Mar 20, 2026
 
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