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 with Haze

75°F

24°C

Humidity 79%
Wind Speed NW 3 mph
Barometer 30.04 in (1016.7 mb)
Dewpoint 68°F (20°C)
Visibility 6.00 mi
Last update 14 Oct 4:54 pm CDT
Extended Forecast for

Wentzville MO

  • This Afternoon

    This Afternoon: A 50 percent chance of rain. Cloudy, with a high near 75. Calm wind.

    High: 75 °F

    Chance Rain

  • Tonight

    Tonight: A chance of rain and thunderstorms before 3am, then a chance of showers and thunderstorms between 3am and 5am, then showers likely and possibly a thunderstorm after 5am. Cloudy, with a low around 66. Light east wind. Chance of precipitation is 60%.

    Low: 66 °F

    Chance Rain
    then Showers
    Likely

  • Thursday

    Thursday: Showers and possibly a thunderstorm, mainly before 11am, then a chance of showers and thunderstorms after 11am. High near 81. Light and variable wind becoming southwest 5 to 10 mph in the morning. Chance of precipitation is 90%.

    High: 81 °F

    Showers then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 2am, then a slight chance of showers between 2am and 3am. Mostly cloudy, with a low around 48. Northwest wind 7 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 50%.

    Low: 48 °F

    Chance
    T-storms then
    Chance
    Showers

  • Friday

    Friday: A 20 percent chance of showers after 1pm. Mostly cloudy, with a high near 56. Breezy, with a northwest wind 17 to 20 mph, with gusts as high as 31 mph.

    High: 56 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers and
    Breezy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 39.

    Low: 39 °F

    Mostly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 61.

    High: 61 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 38.

    Low: 38 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 68.

    High: 68 °F

    Sunny

Detailed Forecast

This Afternoon
A 50 percent chance of rain. Cloudy, with a high near 75. Calm wind.
Tonight
A chance of rain and thunderstorms before 3am, then a chance of showers and thunderstorms between 3am and 5am, then showers likely and possibly a thunderstorm after 5am. Cloudy, with a low around 66. Light east wind. Chance of precipitation is 60%.
Thursday
Showers and possibly a thunderstorm, mainly before 11am, then a chance of showers and thunderstorms after 11am. High near 81. Light and variable wind becoming southwest 5 to 10 mph in the morning. Chance of precipitation is 90%.
Thursday Night
A chance of showers and thunderstorms before 2am, then a slight chance of showers between 2am and 3am. Mostly cloudy, with a low around 48. Northwest wind 7 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 50%.
Friday
A 20 percent chance of showers after 1pm. Mostly cloudy, with a high near 56. Breezy, with a northwest wind 17 to 20 mph, with gusts as high as 31 mph.
Friday Night
Mostly cloudy, with a low around 39.
Saturday
Sunny, with a high near 61.
Saturday Night
Clear, with a low around 38.
Sunday
Sunny, with a high near 68.
Sunday Night
Mostly clear, with a low around 41.
Monday
Mostly sunny, with a high near 74.
Monday Night
Partly cloudy, with a low around 45.
Tuesday
Mostly sunny, with a high near 76.
Tuesday Night
Mostly clear, with a low around 51.
Wednesday
Sunny, with a high near 80.
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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:
5:36 pm CDT Oct 14, 2026
Forecast Valid:
5pm CDT Oct 14, 2026-6pm CDT Oct 21, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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