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

27°F

-3°C

Humidity 63%
Wind Speed E 5 mph
Barometer 30.18 in (1022.7 mb)
Dewpoint 16°F (-9°C)
Visibility 10.00 mi
Wind Chill21°F (-6°C)
Last update 8 Feb 3:54 am CST
Extended Forecast for

Wentzville MO

  • Today

    Today: Mostly sunny, with a high near 50. Southeast wind 7 to 10 mph, with gusts as high as 20 mph.

    High: 50 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 28. East wind around 6 mph becoming calm after midnight.

    Low: 28 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, then gradually becoming sunny, with a high near 59. Calm wind becoming south around 5 mph in the afternoon.

    High: 59 °F

    Becoming
    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 50. Southeast wind 7 to 10 mph, with gusts as high as 20 mph.
Tonight
Partly cloudy, with a low around 28. East wind around 6 mph becoming calm after midnight.
Monday
Partly sunny, then gradually becoming sunny, with a high near 59. Calm wind becoming south around 5 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:
1:01 am CST Feb 8, 2026
Forecast Valid:
4am CST Feb 8, 2026-6pm CST Feb 14, 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