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.

Fog/Mist

56°F

13°C

Humidity 97%
Wind Speed Calm
Barometer 30.19 in (1022.0 mb)
Dewpoint 55°F (13°C)
Visibility 5.00 mi
Last update 15 Oct 6:54 am CDT
Extended Forecast for

Wentzville MO

  • Today

    Today: Sunny, with a high near 83. Light and variable wind.

    High: 83 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 58. Calm wind.

    Low: 58 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 82. Light southeast wind increasing to 5 to 10 mph in the morning.

    High: 82 °F

    Sunny

  • Thursday Night

    Thursday Night: Increasing clouds, with a low around 59. Southeast wind around 7 mph.

    Low: 59 °F

    Increasing
    Clouds

  • Friday

    Friday: Partly sunny, with a high near 83. South wind 6 to 10 mph.

    High: 83 °F

    Partly Sunny

  • Friday Night

    Friday Night: A 50 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 62.

    Low: 62 °F

    Mostly Clear
    then Chance
    T-storms

  • Saturday

    Saturday: Showers and possibly a thunderstorm. High near 75. Chance of precipitation is 80%.

    High: 75 °F

    Showers

  • Saturday Night

    Saturday Night: Showers likely, mainly before 1am. Partly cloudy, with a low around 47. Chance of precipitation is 60%.

    Low: 47 °F

    Showers
    Likely

  • Sunday

    Sunday: A 20 percent chance of showers before 1pm. Sunny, with a high near 66.

    High: 66 °F

    Slight Chance
    Showers

Detailed Forecast

Today
Sunny, with a high near 83. Light and variable wind.
Tonight
Mostly clear, with a low around 58. Calm wind.
Thursday
Sunny, with a high near 82. Light southeast wind increasing to 5 to 10 mph in the morning.
Thursday Night
Increasing clouds, with a low around 59. Southeast wind around 7 mph.
Friday
Partly sunny, with a high near 83. South wind 6 to 10 mph.
Friday Night
A 50 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 62.
Saturday
Showers and possibly a thunderstorm. High near 75. Chance of precipitation is 80%.
Saturday Night
Showers likely, mainly before 1am. Partly cloudy, with a low around 47. Chance of precipitation is 60%.
Sunday
A 20 percent chance of showers before 1pm. Sunny, with a high near 66.
Sunday Night
Clear, with a low around 44.
Monday
Sunny, with a high near 75.
Monday Night
A 20 percent chance of showers. Mostly clear, with a low around 50.
Tuesday
A 20 percent chance of showers. Sunny, with a high near 74.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Wentzville MO
 38.81°N 90.85°W (Elev. 633 ft)
Last Update:
4:16 am CDT Oct 15, 2025
Forecast Valid:
7am CDT Oct 15, 2025-6pm CDT Oct 21, 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