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.

Fog/Mist

37°F

3°C

Humidity 93%
Wind Speed S 5 mph
Barometer 29.89 in (1013.0 mb)
Dewpoint 35°F (2°C)
Visibility 6.00 mi
Wind Chill33°F (1°C)
Last update 29 Nov 2:54 pm CST
Extended Forecast for

Chesterfield MO

  • This Afternoon

    This Afternoon: Rain. High near 40. South wind 9 to 11 mph, with gusts as high as 24 mph. Chance of precipitation is 90%.

    High: 40 °F

    Rain

  • Tonight

    Tonight: Rain likely, mainly before 7pm. Cloudy, with a low around 23. South wind 11 to 18 mph becoming west after midnight. Winds could gust as high as 34 mph. Chance of precipitation is 60%.

    Low: 23 °F

    Rain Likely
    then Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 28. Northwest wind 8 to 15 mph, with gusts as high as 29 mph.

    High: 28 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 20. Northwest wind 5 to 7 mph becoming calm after midnight.

    Low: 20 °F

    Mostly Cloudy

  • Monday

    Monday: A 40 percent chance of snow after noon. Cloudy, with a high near 30. Light east wind.

    High: 30 °F

    Cloudy then
    Chance Snow

  • Monday Night

    Monday Night: Snow likely, mainly before midnight. Mostly cloudy, with a low around 21. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    Low: 21 °F

    Snow Likely
    then Chance
    Snow

  • Tuesday

    Tuesday: Partly sunny, with a high near 32.

    High: 32 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 20.

    Low: 20 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 41.

    High: 41 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Rain. High near 40. South wind 9 to 11 mph, with gusts as high as 24 mph. Chance of precipitation is 90%.
Tonight
Rain likely, mainly before 7pm. Cloudy, with a low around 23. South wind 11 to 18 mph becoming west after midnight. Winds could gust as high as 34 mph. Chance of precipitation is 60%.
Sunday
Mostly cloudy, with a high near 28. Northwest wind 8 to 15 mph, with gusts as high as 29 mph.
Sunday Night
Mostly cloudy, with a low around 20. Northwest wind 5 to 7 mph becoming calm after midnight.
Monday
A 40 percent chance of snow after noon. Cloudy, with a high near 30. Light east wind.
Monday Night
Snow likely, mainly before midnight. Mostly cloudy, with a low around 21. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Tuesday
Partly sunny, with a high near 32.
Tuesday Night
Mostly clear, with a low around 20.
Wednesday
Mostly sunny, with a high near 41.
Wednesday Night
Mostly cloudy, with a low around 18.
Thursday
Partly sunny, with a high near 29.
Thursday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 20.
Friday
A 20 percent chance of rain. Partly sunny, with a high near 39.
Friday Night
Mostly cloudy, with a low around 25.
Saturday
Partly sunny, with a high near 43.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Chesterfield MO
 38.65°N 90.57°W (Elev. 512 ft)
Last Update:
3:16 pm CST Nov 29, 2025
Forecast Valid:
3pm CST Nov 29, 2025-6pm CST Dec 6, 2025
 
Forecast Discussion
 
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Additional Resources

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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