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

63°F

17°C

Humidity 26%
Wind Speed Vrbl 5 mph
Barometer 30.09 in (1019.0 mb)
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Last update 13 Feb 1:54 pm CST
Extended Forecast for

Chesterfield MO

  • This Afternoon

    This Afternoon: Sunny, with a high near 62. South wind 5 to 9 mph.

    High: 62 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 42. South wind around 5 mph becoming calm in the evening.

    Low: 42 °F

    Increasing
    Clouds

  • Saturday

    Saturday: Rain, mainly after 9am. High near 52. Calm wind becoming southeast 5 to 7 mph in the afternoon. Chance of precipitation is 90%.

    High: 52 °F

    Rain

  • Saturday Night

    Saturday Night: Rain, mainly before 4am. Low around 45. East wind around 6 mph. Chance of precipitation is 90%.

    Low: 45 °F

    Rain

  • Sunday

    Sunday: A 20 percent chance of rain before noon. Partly sunny, with a high near 58. Northeast wind 3 to 8 mph.

    High: 58 °F

    Slight Chance
    Rain then
    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 39.

    Low: 39 °F

    Mostly Clear

  • Washington's Birthday

    Washington's Birthday: Mostly sunny, with a high near 64.

    High: 64 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 45.

    Low: 45 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 67.

    High: 67 °F

    Mostly Cloudy

Detailed Forecast

This Afternoon
Sunny, with a high near 62. South wind 5 to 9 mph.
Tonight
Increasing clouds, with a low around 42. South wind around 5 mph becoming calm in the evening.
Saturday
Rain, mainly after 9am. High near 52. Calm wind becoming southeast 5 to 7 mph in the afternoon. Chance of precipitation is 90%.
Saturday Night
Rain, mainly before 4am. Low around 45. East wind around 6 mph. Chance of precipitation is 90%.
Sunday
A 20 percent chance of rain before noon. Partly sunny, with a high near 58. Northeast wind 3 to 8 mph.
Sunday Night
Mostly clear, with a low around 39.
Washington's Birthday
Mostly sunny, with a high near 64.
Monday Night
Mostly cloudy, with a low around 45.
Tuesday
Mostly cloudy, with a high near 67.
Tuesday Night
Mostly cloudy, with a low around 56.
Wednesday
Partly sunny, with a high near 73.
Wednesday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 48.
Thursday
A 20 percent chance of rain. Mostly sunny, with a high near 66.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Chesterfield MO
 38.65°N 90.6°W (Elev. 466 ft)
Last Update:
1:31 pm CST Feb 13, 2026
Forecast Valid:
1pm CST Feb 13, 2026-6pm CST Feb 19, 2026
 
Forecast Discussion
 
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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