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.

Fair

34°F

1°C

Humidity 52%
Wind Speed E 7 mph
Barometer 30.17 in (1022.6 mb)
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Wind Chill28°F (-2°C)
Last update 8 Feb 9:54 am CST
Extended Forecast for

Wentzville MO

  • Today

    Today: Mostly sunny, with a high near 51. Southeast wind 7 to 9 mph.

    High: 51 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 30. East wind around 6 mph becoming calm after midnight.

    Low: 30 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 58. Calm wind becoming south around 6 mph in the afternoon.

    High: 58 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 41. South wind 5 to 8 mph becoming west after midnight.

    Low: 41 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 58. West wind 5 to 7 mph becoming north in the afternoon.

    High: 58 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of rain. Mostly cloudy, with a low around 34.

    Low: 34 °F

    Slight Chance
    Rain

  • Wednesday

    Wednesday: Partly sunny, with a high near 51.

    High: 51 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 33.

    Low: 33 °F

    Mostly Cloudy

  • Thursday

    Thursday: A 40 percent chance of rain. Mostly cloudy, with a high near 46.

    High: 46 °F

    Chance Rain

Detailed Forecast

Today
Mostly sunny, with a high near 51. Southeast wind 7 to 9 mph.
Tonight
Partly cloudy, with a low around 30. East wind around 6 mph becoming calm after midnight.
Monday
Mostly sunny, with a high near 58. Calm wind becoming south around 6 mph in the afternoon.
Monday Night
Mostly clear, with a low around 41. South wind 5 to 8 mph becoming west after midnight.
Tuesday
Mostly sunny, with a high near 58. West wind 5 to 7 mph becoming north in the afternoon.
Tuesday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 34.
Wednesday
Partly sunny, with a high near 51.
Wednesday Night
Mostly cloudy, with a low around 33.
Thursday
A 40 percent chance of rain. Mostly cloudy, with a high near 46.
Thursday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 32.
Friday
A 20 percent chance of rain. Partly sunny, with a high near 48.
Friday Night
A 30 percent chance of rain. Partly cloudy, with a low around 32.
Saturday
A 50 percent chance of rain. Partly sunny, with a high near 47.
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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:
8:46 am CST Feb 8, 2026
Forecast Valid:
10am CST Feb 8, 2026-6pm CST Feb 14, 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