Current conditions at

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

Lat: 38.66°NLon: 90.66°WElev: 463ft.

Fair

71°F

22°C

Humidity 96%
Wind Speed W 6 mph
Barometer 29.65 in (1003.2 mb)
Dewpoint 70°F (21°C)
Visibility 8.00 mi
Last update 18 Jun 2:54 am CDT
Extended Forecast for

Wentzville MO

  • Overnight

    Overnight: Partly cloudy, with a low around 67. West wind around 6 mph.

    Low: 67 °F

    Partly Cloudy

  • Thursday

    Thursday: A 30 percent chance of showers, mainly between 11am and 2pm.  Increasing clouds, with a high near 76. Northwest wind 3 to 7 mph.

    High: 76 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: Patchy fog after 5am.  Otherwise, partly cloudy, with a low around 58. Light north wind.

    Low: 58 °F

    Partly Cloudy
    then Patchy
    Fog

  • Juneteenth

    Juneteenth: Patchy fog before 7am.  Otherwise, mostly sunny, with a high near 84. Calm wind.

    High: 84 °F

    Patchy Fog
    then Mostly
    Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 64. Calm wind.

    Low: 64 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 85.

    High: 85 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A 40 percent chance of showers and thunderstorms after 1am.  Partly cloudy, with a low around 66.

    Low: 66 °F

    Partly Cloudy
    then Chance
    T-storms

  • Sunday

    Sunday: Showers and possibly a thunderstorm.  High near 82. Chance of precipitation is 90%.

    High: 82 °F

    Showers

  • Sunday Night

    Sunday Night: Showers and possibly a thunderstorm before 1am, then a chance of showers.  Low around 61. Chance of precipitation is 80%.

    Low: 61 °F

    Showers

Detailed Forecast

Overnight
Partly cloudy, with a low around 67. West wind around 6 mph.
Thursday
A 30 percent chance of showers, mainly between 11am and 2pm. Increasing clouds, with a high near 76. Northwest wind 3 to 7 mph.
Thursday Night
Patchy fog after 5am. Otherwise, partly cloudy, with a low around 58. Light north wind.
Juneteenth
Patchy fog before 7am. Otherwise, mostly sunny, with a high near 84. Calm wind.
Friday Night
Mostly cloudy, with a low around 64. Calm wind.
Saturday
Mostly sunny, with a high near 85.
Saturday Night
A 40 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 66.
Sunday
Showers and possibly a thunderstorm. High near 82. Chance of precipitation is 90%.
Sunday Night
Showers and possibly a thunderstorm before 1am, then a chance of showers. Low around 61. Chance of precipitation is 80%.
Monday
Partly sunny, with a high near 77.
Monday Night
Partly cloudy, with a low around 59.
Tuesday
Mostly sunny, with a high near 81.
Tuesday Night
Partly cloudy, with a low around 61.
Wednesday
Mostly sunny, with a high near 83.
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ABOUT THIS FORECAST

 
Point Forecast:
Wentzville MO
 38.81°N 90.85°W (Elev. 633 ft)
1:26 am CDT Jun 18, 2026
3am CDT Jun 18, 2026-6pm CDT Jun 24, 2026
 
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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