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.

Mostly Cloudy

47°F

8°C

Humidity 52%
Wind Speed Calm
Barometer 29.78 in (1008.5 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Last update 25 Feb 10:54 pm CST
Extended Forecast for

3 Miles E Chesterfield MO

  • Tonight

    Tonight: A 40 percent chance of rain, mainly before 3am. Mostly cloudy, with a low around 36. Northeast wind 6 to 8 mph.

    Low: 36 °F

    Chance Rain

  • Thursday

    Thursday: Mostly cloudy, then gradually becoming sunny, with a high near 57. East wind around 6 mph becoming calm in the afternoon.

    High: 57 °F

    Decreasing
    Clouds

  • Thursday Night

    Thursday Night: Clear, with a low around 38. Light and variable wind becoming south around 5 mph after midnight.

    Low: 38 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 71. Light southwest wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 20 mph.

    High: 71 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 42. Southwest wind around 6 mph becoming northeast after midnight.

    Low: 42 °F

    Mostly Clear

  • Saturday

    Saturday: A 20 percent chance of rain. Sunny, with a high near 64.

    High: 64 °F

    Slight Chance
    Rain

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 31.

    Low: 31 °F

    Mostly Cloudy

  • Sunday

    Sunday: A chance of rain and snow. Cloudy, with a high near 44. Chance of precipitation is 50%.

    High: 44 °F

    Chance
    Rain/Snow

  • Sunday Night

    Sunday Night: Rain and snow likely, mainly before midnight. Cloudy, with a low around 28. Chance of precipitation is 70%.

    Low: 28 °F

    Rain/Snow
    Likely

Detailed Forecast

Tonight
A 40 percent chance of rain, mainly before 3am. Mostly cloudy, with a low around 36. Northeast wind 6 to 8 mph.
Thursday
Mostly cloudy, then gradually becoming sunny, with a high near 57. East wind around 6 mph becoming calm in the afternoon.
Thursday Night
Clear, with a low around 38. Light and variable wind becoming south around 5 mph after midnight.
Friday
Sunny, with a high near 71. Light southwest wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Friday Night
Mostly clear, with a low around 42. Southwest wind around 6 mph becoming northeast after midnight.
Saturday
A 20 percent chance of rain. Sunny, with a high near 64.
Saturday Night
Mostly cloudy, with a low around 31.
Sunday
A chance of rain and snow. Cloudy, with a high near 44. Chance of precipitation is 50%.
Sunday Night
Rain and snow likely, mainly before midnight. Cloudy, with a low around 28. Chance of precipitation is 70%.
Monday
A chance of rain and snow before noon, then a slight chance of rain. Cloudy, with a high near 40. Chance of precipitation is 30%.
Monday Night
A chance of rain or freezing rain. Cloudy, with a low around 28. Chance of precipitation is 40%.
Tuesday
A 50 percent chance of rain. Mostly cloudy, with a high near 45.
Tuesday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 33.
Wednesday
A 30 percent chance of rain. Mostly cloudy, with a high near 53.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles E Chesterfield MO
 38.65°N 90.51°W (Elev. 597 ft)
Last Update:
9:51 pm CST Feb 25, 2026
Forecast Valid:
11pm CST Feb 25, 2026-6pm CST Mar 4, 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