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

31°F

-1°C

Humidity 79%
Wind Speed NE 6 mph
Barometer 30.11 in (1020.3 mb)
Dewpoint 25°F (-4°C)
Visibility 8.00 mi
Wind Chill25°F (-4°C)
Last update 3 Feb 1:54 am CST
Extended Forecast for

3 Miles E Chesterfield MO

  • Overnight

    Overnight: A slight chance of freezing rain between 4am and 5am, then a slight chance of snow after 5am. Cloudy, with a low around 29. Northeast wind around 5 mph. Chance of precipitation is 20%.

    Low: 29 °F

    Slight Chance
    Wintry Mix

  • Tuesday

    Tuesday: A chance of snow and freezing rain before 8am, then a slight chance of snow between 8am and 10am. Mostly cloudy, with a high near 34. North wind 6 to 9 mph. Chance of precipitation is 30%.

    High: 34 °F

    Chance Wintry
    Mix then
    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 20. North wind around 6 mph.

    Low: 20 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 32. North wind 3 to 6 mph.

    High: 32 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 17. Calm wind.

    Low: 17 °F

    Mostly Clear

  • Thursday

    Thursday: Partly sunny, with a high near 43.

    High: 43 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 33.

    Low: 33 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 51.

    High: 51 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 27.

    Low: 27 °F

    Mostly Clear

Detailed Forecast

Overnight
A slight chance of freezing rain between 4am and 5am, then a slight chance of snow after 5am. Cloudy, with a low around 29. Northeast wind around 5 mph. Chance of precipitation is 20%.
Tuesday
A chance of snow and freezing rain before 8am, then a slight chance of snow between 8am and 10am. Mostly cloudy, with a high near 34. North wind 6 to 9 mph. Chance of precipitation is 30%.
Tuesday Night
Mostly cloudy, with a low around 20. North wind around 6 mph.
Wednesday
Mostly sunny, with a high near 32. North wind 3 to 6 mph.
Wednesday Night
Mostly clear, with a low around 17. Calm wind.
Thursday
Partly sunny, with a high near 43.
Thursday Night
Mostly clear, with a low around 33.
Friday
Sunny, with a high near 51.
Friday Night
Mostly clear, with a low around 27.
Saturday
Sunny, with a high near 43.
Saturday Night
Partly cloudy, with a low around 29.
Sunday
Mostly sunny, with a high near 43.
Sunday Night
Partly cloudy, with a low around 26.
Monday
Partly sunny, with a high near 44.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles E Chesterfield MO
 38.65°N 90.51°W (Elev. 597 ft)
Last Update:
12:26 am CST Feb 3, 2026
Forecast Valid:
2am CST Feb 3, 2026-6pm CST Feb 9, 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