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

St. Louis Downtown Airport (KCPS)

Lat: 38.56°NLon: 90.15°WElev: 410ft.

Fair

54°F

12°C

Humidity 47%
Wind Speed Vrbl 5 mph
Barometer 30.21 in (1023.2 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Wind Chill53°F (12°C)
Last update 2 Nov 2:53 pm CST
Extended Forecast for

3 Miles ENE Valmeyer IL

  • Tonight

    Tonight: Clear, with a low around 38. Calm wind becoming south around 6 mph in the evening.

    Low: 38 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 65. West wind 5 to 7 mph becoming calm in the afternoon.

    High: 65 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 39. Light and variable wind.

    Low: 39 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 70. Light south wind increasing to 8 to 13 mph in the morning. Winds could gust as high as 24 mph.

    High: 70 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 52. Southwest wind 8 to 10 mph, with gusts as high as 20 mph.

    Low: 52 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 73.

    High: 73 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 42.

    Low: 42 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 68.

    High: 68 °F

    Sunny

  • Thursday Night

    Thursday Night: A 30 percent chance of showers after midnight. Partly cloudy, with a low around 54.

    Low: 54 °F

    Partly Cloudy
    then Chance
    Showers

Detailed Forecast

Tonight
Clear, with a low around 38. Calm wind becoming south around 6 mph in the evening.
Monday
Sunny, with a high near 65. West wind 5 to 7 mph becoming calm in the afternoon.
Monday Night
Partly cloudy, with a low around 39. Light and variable wind.
Tuesday
Mostly sunny, with a high near 70. Light south wind increasing to 8 to 13 mph in the morning. Winds could gust as high as 24 mph.
Tuesday Night
Partly cloudy, with a low around 52. Southwest wind 8 to 10 mph, with gusts as high as 20 mph.
Wednesday
Sunny, with a high near 73.
Wednesday Night
Clear, with a low around 42.
Thursday
Sunny, with a high near 68.
Thursday Night
A 30 percent chance of showers after midnight. Partly cloudy, with a low around 54.
Friday
A 30 percent chance of showers and thunderstorms before noon. Mostly sunny, with a high near 71.
Friday Night
Mostly clear, with a low around 45.
Saturday
Mostly sunny, with a high near 67.
Saturday Night
Partly cloudy, with a low around 43.
Sunday
Mostly sunny, with a high near 56.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ENE Valmeyer IL
 38.33°N 90.27°W (Elev. 459 ft)
Last Update:
1:31 pm CST Nov 2, 2025
Forecast Valid:
3pm CST Nov 2, 2025-6pm CST Nov 9, 2025
 
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