Hazardous Weather Conditions

Current conditions at

St. Louis Downtown Airport (KCPS)

Lat: 38.56°NLon: 90.15°WElev: 410ft.

Thunderstorm in Vicinity

58°F

14°C

Humidity 29%
Wind Speed SE 9 mph
Barometer 29.92 in (1013.3 mb)
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Last update 17 Nov 7:53 pm CST
Extended Forecast for

2 Miles E Valmeyer IL

  • Tonight

    Tonight: A chance of rain and thunderstorms before 3am, then a slight chance of rain and thunderstorms after 5am.  Mostly cloudy, with a low around 52. South wind 8 to 11 mph, with gusts as high as 22 mph.  Chance of precipitation is 30%.

    Low: 52 °F

    Chance Rain
    then Slight
    Chance
    T-storms

  • Tuesday

    Tuesday: A 20 percent chance of rain and thunderstorms, mainly between 9am and noon.  Partly sunny, with a high near 73. South wind 5 to 9 mph becoming northwest in the afternoon.

    High: 73 °F

    Slight Chance
    T-storms then
    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 48. North wind 3 to 6 mph.

    Low: 48 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 63. Light northwest wind.

    High: 63 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: A 50 percent chance of rain after midnight.  Mostly cloudy, with a low around 50. Calm wind becoming southeast around 5 mph after midnight.

    Low: 50 °F

    Mostly Cloudy
    then Chance
    Rain

  • Thursday

    Thursday: Rain and possibly a thunderstorm.  High near 66. Chance of precipitation is 90%.

    High: 66 °F

    Rain

  • Thursday Night

    Thursday Night: Rain and possibly a thunderstorm.  Low around 55. Chance of precipitation is 80%.

    Low: 55 °F

    Rain

  • Friday

    Friday: Rain likely, with thunderstorms also possible after noon.  Mostly cloudy, with a high near 63. Chance of precipitation is 70%.

    High: 63 °F

    Rain Likely

  • Friday Night

    Friday Night: A 30 percent chance of rain before midnight.  Mostly cloudy, with a low around 44.

    Low: 44 °F

    Chance Rain
    then Mostly
    Cloudy

Detailed Forecast

Tonight
A chance of rain and thunderstorms before 3am, then a slight chance of rain and thunderstorms after 5am. Mostly cloudy, with a low around 52. South wind 8 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 30%.
Tuesday
A 20 percent chance of rain and thunderstorms, mainly between 9am and noon. Partly sunny, with a high near 73. South wind 5 to 9 mph becoming northwest in the afternoon.
Tuesday Night
Mostly cloudy, with a low around 48. North wind 3 to 6 mph.
Wednesday
Mostly cloudy, with a high near 63. Light northwest wind.
Wednesday Night
A 50 percent chance of rain after midnight. Mostly cloudy, with a low around 50. Calm wind becoming southeast around 5 mph after midnight.
Thursday
Rain and possibly a thunderstorm. High near 66. Chance of precipitation is 90%.
Thursday Night
Rain and possibly a thunderstorm. Low around 55. Chance of precipitation is 80%.
Friday
Rain likely, with thunderstorms also possible after noon. Mostly cloudy, with a high near 63. Chance of precipitation is 70%.
Friday Night
A 30 percent chance of rain before midnight. Mostly cloudy, with a low around 44.
Saturday
Mostly sunny, with a high near 56.
Saturday Night
Partly cloudy, with a low around 41.
Sunday
Mostly sunny, with a high near 60.
Sunday Night
A 20 percent chance of rain. Partly cloudy, with a low around 43.
Monday
A 30 percent chance of rain. Partly sunny, with a high near 60.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles E Valmeyer IL
 38.31°N 90.27°W (Elev. 699 ft)
8:27 pm CST Nov 17, 2025
8pm CST Nov 17, 2025-6pm CST Nov 24, 2025
 
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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