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Hazardous Weather Conditions

Current conditions at

St. Louis Downtown Airport (KCPS)

Lat: 38.56°NLon: 90.15°WElev: 410ft.

Overcast

49°F

9°C

Humidity 97%
Wind Speed SE 9 mph
Barometer 30.08 in (1018.7 mb)
Dewpoint 48°F (9°C)
Visibility 7.00 mi
Wind Chill45°F (7°C)
Last update 20 Nov 8:53 am CST
Extended Forecast for

3 Miles E Valmeyer IL

  • Today

    Today: Rain likely, with thunderstorms also possible after 3pm. Cloudy, with a high near 58. Southeast wind 5 to 7 mph. Chance of precipitation is 60%.

    High: 58 °F

    Rain Likely

  • Tonight

    Tonight: A chance of rain and thunderstorms, then rain after 11pm. Patchy fog after 7pm. Low around 54. Southeast wind 3 to 6 mph. Chance of precipitation is 90%.

    Low: 54 °F

    Rain and
    Patchy Fog

  • Friday

    Friday: Rain and possibly a thunderstorm before 9am, then rain between 9am and 3pm, then rain and possibly a thunderstorm after 3pm. Patchy fog before 11am. High near 65. East wind 5 to 7 mph becoming north in the morning. Chance of precipitation is 90%.

    High: 65 °F

    Rain and
    Patchy Fog

  • Friday Night

    Friday Night: A 50 percent chance of rain before midnight. Mostly cloudy, with a low around 47. North wind around 6 mph.

    Low: 47 °F

    Chance Rain
    then Mostly
    Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 58. North wind around 6 mph becoming calm in the afternoon.

    High: 58 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 41.

    Low: 41 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 63.

    High: 63 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A 30 percent chance of rain after midnight. Mostly cloudy, with a low around 45.

    Low: 45 °F

    Mostly Cloudy
    then Chance
    Rain

  • Monday

    Monday: A 50 percent chance of rain. Mostly cloudy, with a high near 58.

    High: 58 °F

    Chance Rain

Detailed Forecast

Today
Rain likely, with thunderstorms also possible after 3pm. Cloudy, with a high near 58. Southeast wind 5 to 7 mph. Chance of precipitation is 60%.
Tonight
A chance of rain and thunderstorms, then rain after 11pm. Patchy fog after 7pm. Low around 54. Southeast wind 3 to 6 mph. Chance of precipitation is 90%.
Friday
Rain and possibly a thunderstorm before 9am, then rain between 9am and 3pm, then rain and possibly a thunderstorm after 3pm. Patchy fog before 11am. High near 65. East wind 5 to 7 mph becoming north in the morning. Chance of precipitation is 90%.
Friday Night
A 50 percent chance of rain before midnight. Mostly cloudy, with a low around 47. North wind around 6 mph.
Saturday
Mostly sunny, with a high near 58. North wind around 6 mph becoming calm in the afternoon.
Saturday Night
Mostly clear, with a low around 41.
Sunday
Mostly sunny, with a high near 63.
Sunday Night
A 30 percent chance of rain after midnight. Mostly cloudy, with a low around 45.
Monday
A 50 percent chance of rain. Mostly cloudy, with a high near 58.
Monday Night
Rain likely, mainly before midnight. Mostly cloudy, with a low around 49. Chance of precipitation is 70%.
Tuesday
A 30 percent chance of rain. Partly sunny, with a high near 60.
Tuesday Night
Mostly cloudy, with a low around 41.
Wednesday
Mostly sunny, with a high near 51.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles E Valmeyer IL
 38.31°N 90.25°W (Elev. 646 ft)
Last Update:
8:31 am CST Nov 20, 2025
Forecast Valid:
9am CST Nov 20, 2025-6pm CST Nov 26, 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