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

26°F

-3°C

Humidity 92%
Wind Speed Calm
Barometer 29.90 in (1013.4 mb)
Dewpoint 24°F (-4°C)
Visibility 9.00 mi
Last update 5 Feb 10:54 pm CST
Extended Forecast for

Chesterfield MO

  • Tonight

    Tonight: Mostly clear, with a temperature rising to around 35 by 5am. West wind 5 to 9 mph.

    Low: 30 °F⇑

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 47. West wind 10 to 15 mph becoming northwest in the morning. Winds could gust as high as 28 mph.

    High: 47 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 24. North wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 24 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 38. Light and variable wind becoming southeast around 6 mph in the morning.

    High: 38 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 28. Southeast wind around 7 mph.

    Low: 28 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 55.

    High: 55 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 31.

    Low: 31 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 60.

    High: 60 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 43.

    Low: 43 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a temperature rising to around 35 by 5am. West wind 5 to 9 mph.
Friday
Mostly sunny, with a high near 47. West wind 10 to 15 mph becoming northwest in the morning. Winds could gust as high as 28 mph.
Friday Night
Partly cloudy, with a low around 24. North wind 5 to 10 mph, with gusts as high as 20 mph.
Saturday
Mostly sunny, with a high near 38. Light and variable wind becoming southeast around 6 mph in the morning.
Saturday Night
Mostly cloudy, with a low around 28. Southeast wind around 7 mph.
Sunday
Mostly sunny, with a high near 55.
Sunday Night
Mostly clear, with a low around 31.
Monday
Sunny, with a high near 60.
Monday Night
Mostly clear, with a low around 43.
Tuesday
A 20 percent chance of rain after noon. Partly sunny, with a high near 66.
Tuesday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 44.
Wednesday
A 30 percent chance of rain. Mostly cloudy, with a high near 56.
Wednesday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 36.
Thursday
A 30 percent chance of rain. Mostly cloudy, with a high near 50.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Chesterfield MO
 38.65°N 90.6°W (Elev. 466 ft)
Last Update:
10:51 pm CST Feb 5, 2026
Forecast Valid:
11pm CST Feb 5, 2026-6pm CST Feb 12, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation