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.

Fair and Breezy

44°F

7°C

Humidity 53%
Wind Speed W 21 G 35 mph
Barometer 29.58 in (1001.7 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill36°F (2°C)
Last update 19 Feb 11:54 pm CST
Extended Forecast for

3 Miles E Chesterfield MO

  • Overnight

    Overnight: Partly cloudy, with a low around 31. Breezy, with a west wind 17 to 20 mph, with gusts as high as 37 mph.

    Low: 31 °F

    Partly Cloudy
    and Breezy

  • Friday

    Friday: Sunny, with a high near 42. West wind 9 to 17 mph, with gusts as high as 36 mph.

    High: 42 °F

    Sunny

  • Friday Night

    Friday Night: A 20 percent chance of snow after 5am. Increasing clouds, with a low around 27. North wind 5 to 7 mph.

    Low: 27 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Saturday

    Saturday: Mostly cloudy, then gradually becoming sunny, with a high near 44. Northwest wind 7 to 10 mph.

    High: 44 °F

    Decreasing
    Clouds

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 24. Northwest wind around 10 mph, with gusts as high as 21 mph.

    Low: 24 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 37.

    High: 37 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 17.

    Low: 17 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 35.

    High: 35 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 19.

    Low: 19 °F

    Mostly Clear

Detailed Forecast

Overnight
Partly cloudy, with a low around 31. Breezy, with a west wind 17 to 20 mph, with gusts as high as 37 mph.
Friday
Sunny, with a high near 42. West wind 9 to 17 mph, with gusts as high as 36 mph.
Friday Night
A 20 percent chance of snow after 5am. Increasing clouds, with a low around 27. North wind 5 to 7 mph.
Saturday
Mostly cloudy, then gradually becoming sunny, with a high near 44. Northwest wind 7 to 10 mph.
Saturday Night
Mostly clear, with a low around 24. Northwest wind around 10 mph, with gusts as high as 21 mph.
Sunday
Sunny, with a high near 37.
Sunday Night
Mostly clear, with a low around 17.
Monday
Sunny, with a high near 35.
Monday Night
Mostly clear, with a low around 19.
Tuesday
Mostly sunny, with a high near 51.
Tuesday Night
Mostly cloudy, with a low around 41.
Wednesday
Mostly cloudy, with a high near 60.
Wednesday Night
A 20 percent chance of rain. Partly cloudy, with a low around 35.
Thursday
A 20 percent chance of rain. Mostly sunny, with a high near 56.
Basemap Options
Click map to change the forecast location
Loading map...
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:
12:26 am CST Feb 20, 2026
Forecast Valid:
12am CST Feb 20, 2026-6pm CST Feb 26, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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