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

Hazardous Weather Conditions

Current conditions at

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

Lat: 38.66°NLon: 90.66°WElev: 463ft.

Fair

91°F

33°C

Humidity 49%
Wind Speed SW 17 G 40 mph
Barometer 29.40 in (994.8 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Heat Index96°F (36°C)
Last update 17 Jun 4:54 pm CDT
Extended Forecast for

Wentzville MO

Tornado Watch until June 17, 10:00pm
Wind Advisory until June 17, 08:00pm
Click here for hazard details and duration
Tornado Watch
Wind Advisory
  •  
    Tornado Watch until June 17, 10:00pm
    Wind Advisory until June 17, 08:00pm

    NOW: Multiple hazards in effect

    Click HERE for Details

  • This Afternoon

    High: 92 °F

    Severe
    Thunderstorms
    and Breezy

  • Tonight

    Tonight: Showers and thunderstorms likely, mainly before 11pm. Some of the storms could be severe. Mostly cloudy, with a low around 66. Breezy, with a west wind 16 to 21 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 32 mph. Chance of precipitation is 70%.

    Low: 66 °F

    Severe
    Thunderstorms
    and Breezy
    then Partly
    Cloudy

  • Thursday

    Thursday: A 20 percent chance of showers after 1pm. Increasing clouds, with a high near 81. Northwest wind around 6 mph.

    High: 81 °F

    Sunny then
    Slight Chance
    Showers

  • Thursday Night

    Thursday Night: Mostly cloudy, then gradually becoming clear, with a low around 58. Light north wind.

    Low: 58 °F

    Decreasing
    Clouds

  • Juneteenth

    Juneteenth: Sunny, with a high near 84. Calm wind.

    High: 84 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 64.

    Low: 64 °F

    Partly Cloudy

  • Saturday

    Saturday: A 20 percent chance of showers before 1pm. Partly sunny, with a high near 85.

    High: 85 °F

    Slight Chance
    Showers

  • Saturday Night

    Saturday Night: A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 67.

    Low: 67 °F

    Chance
    T-storms

Detailed Forecast

This Afternoon
A 30 percent chance of showers and thunderstorms. Some of the storms could be severe. Mostly sunny, with a high near 92. Breezy, with a southwest wind around 24 mph, with gusts as high as 40 mph.
Tonight
Showers and thunderstorms likely, mainly before 11pm. Some of the storms could be severe. Mostly cloudy, with a low around 66. Breezy, with a west wind 16 to 21 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 32 mph. Chance of precipitation is 70%.
Thursday
A 20 percent chance of showers after 1pm. Increasing clouds, with a high near 81. Northwest wind around 6 mph.
Thursday Night
Mostly cloudy, then gradually becoming clear, with a low around 58. Light north wind.
Juneteenth
Sunny, with a high near 84. Calm wind.
Friday Night
Partly cloudy, with a low around 64.
Saturday
A 20 percent chance of showers before 1pm. Partly sunny, with a high near 85.
Saturday Night
A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 67.
Sunday
Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. High near 84. Chance of precipitation is 80%.
Sunday Night
Showers and possibly a thunderstorm before 1am, then a chance of showers. Low around 64. Chance of precipitation is 80%.
Monday
Partly sunny, with a high near 79.
Monday Night
Partly cloudy, with a low around 60.
Tuesday
Mostly sunny, with a high near 82.
Tuesday Night
Partly cloudy, with a low around 62.
Wednesday
Mostly sunny, with a high near 84.
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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:
2:21 pm CDT Jun 17, 2026
Forecast Valid:
5pm CDT Jun 17, 2026-6pm CDT Jun 24, 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