National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

St. Louis Downtown Airport (KCPS)

Lat: 38.56°NLon: 90.15°WElev: 410ft.

Fair

38°F

3°C

Humidity 43%
Wind Speed S 13 G 23 mph
Barometer 29.88 in (1012.3 mb)
Dewpoint 17°F (-8°C)
Visibility 10.00 mi
Wind Chill30°F (-1°C)
Last update 24 Feb 10:53 am CST
Extended Forecast for

2 Miles E Valmeyer IL

  • Today

    Today: Partly sunny, with a high near 54. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 33 mph.

    High: 54 °F

    Partly Sunny
    and Breezy

  • Tonight

    Tonight: Mostly cloudy, with a low around 38. Southwest wind 9 to 14 mph becoming light and variable after midnight. Winds could gust as high as 23 mph.

    Low: 38 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 53. Calm wind becoming northeast around 5 mph in the afternoon.

    High: 53 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: A 50 percent chance of rain, mainly after midnight. Mostly cloudy, with a low around 36. East wind around 6 mph.

    Low: 36 °F

    Slight Chance
    Rain then
    Chance Rain

  • Thursday

    Thursday: A 30 percent chance of rain before noon. Partly sunny, with a high near 51. East wind around 6 mph.

    High: 51 °F

    Chance Rain
    then Partly
    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 33.

    Low: 33 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 65.

    High: 65 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 42.

    Low: 42 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 69.

    High: 69 °F

    Sunny

Detailed Forecast

Today
Partly sunny, with a high near 54. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 33 mph.
Tonight
Mostly cloudy, with a low around 38. Southwest wind 9 to 14 mph becoming light and variable after midnight. Winds could gust as high as 23 mph.
Wednesday
Mostly cloudy, with a high near 53. Calm wind becoming northeast around 5 mph in the afternoon.
Wednesday Night
A 50 percent chance of rain, mainly after midnight. Mostly cloudy, with a low around 36. East wind around 6 mph.
Thursday
A 30 percent chance of rain before noon. Partly sunny, with a high near 51. East wind around 6 mph.
Thursday Night
Mostly clear, with a low around 33.
Friday
Sunny, with a high near 65.
Friday Night
Mostly clear, with a low around 42.
Saturday
Sunny, with a high near 69.
Saturday Night
Partly cloudy, with a low around 33.
Sunday
A 30 percent chance of rain. Partly sunny, with a high near 46.
Sunday Night
A chance of rain and snow. Mostly cloudy, with a low around 33. Chance of precipitation is 40%.
Monday
A 30 percent chance of rain and thunderstorms. Partly sunny, with a high near 50.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles E Valmeyer IL
 38.31°N 90.27°W (Elev. 699 ft)
Last Update:
10:46 am CST Feb 24, 2026
Forecast Valid:
11am CST Feb 24, 2026-6pm CST Mar 2, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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