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

St. Louis, Spirit Of St. Louis Airport (KSUS)

Lat: 38.66°NLon: 90.66°WElev: 463ft.

Mostly Cloudy

74°F

23°C

Humidity 74%
Wind Speed W 13 mph
Barometer 29.92 in (1012.5 mb)
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Last update 15 Oct 8:54 pm CDT
Extended Forecast for

Wentzville MO

  • Tonight

    Tonight: Showers likely, mainly before midnight. Increasing clouds, with a low around 47. Northwest wind 9 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 60%.

    Low: 47 °F

    Showers
    Likely then
    Isolated
    Showers

  • Friday

    Friday: Isolated showers after 4pm. Increasing clouds, with a high near 54. Breezy, with a northwest wind 16 to 20 mph, with gusts as high as 33 mph. Chance of precipitation is 20%.

    High: 54 °F

    Breezy.
    Partly Sunny
    then Isolated
    Showers

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 36. North wind 6 to 15 mph, with gusts as high as 28 mph.

    Low: 36 °F

    Mostly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 59. Light and variable wind.

    High: 59 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 36. Calm wind.

    Low: 36 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 67.

    High: 67 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 39.

    Low: 39 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 71.

    High: 71 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 42.

    Low: 42 °F

    Partly Cloudy

Detailed Forecast

Tonight
Showers likely, mainly before midnight. Increasing clouds, with a low around 47. Northwest wind 9 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 60%.
Friday
Isolated showers after 4pm. Increasing clouds, with a high near 54. Breezy, with a northwest wind 16 to 20 mph, with gusts as high as 33 mph. Chance of precipitation is 20%.
Friday Night
Mostly cloudy, with a low around 36. North wind 6 to 15 mph, with gusts as high as 28 mph.
Saturday
Sunny, with a high near 59. Light and variable wind.
Saturday Night
Clear, with a low around 36. Calm wind.
Sunday
Sunny, with a high near 67.
Sunday Night
Mostly clear, with a low around 39.
Monday
Mostly sunny, with a high near 71.
Monday Night
Partly cloudy, with a low around 42.
Tuesday
Mostly sunny, with a high near 76.
Tuesday Night
Mostly clear, with a low around 46.
Wednesday
Sunny, with a high near 79.
Wednesday Night
Mostly clear, with a low around 50.
Thursday
Sunny, with a high near 81.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Wentzville MO
 38.81°N 90.85°W (Elev. 633 ft)
Last Update:
8:56 pm CDT Oct 15, 2026
Forecast Valid:
9pm CDT Oct 15, 2026-6pm CDT Oct 22, 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