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.

Overcast

72°F

22°C

Humidity 76%
Wind Speed S 13 G 21 mph
Barometer 29.85 in (1010.2 mb)
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 15 Apr 3:54 pm CDT
Extended Forecast for

Chesterfield MO

  • This Afternoon

    This Afternoon: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 73. South wind around 10 mph.

    High: 73 °F

    Chance
    T-storms

  • Tonight

    Tonight: Showers and thunderstorms before 4am, then a slight chance of showers. Low around 62. Southwest wind 7 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 80%.

    Low: 62 °F

    T-storms

  • Thursday

    Thursday: Mostly cloudy, then gradually becoming sunny, with a high near 84. West wind around 7 mph.

    High: 84 °F

    Decreasing
    Clouds

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 61. Light south wind.

    Low: 61 °F

    Mostly Clear

  • Friday

    Friday: A 50 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 88. South wind 5 to 14 mph, with gusts as high as 24 mph.

    High: 88 °F

    Mostly Sunny
    then Chance
    T-storms

  • Friday Night

    Friday Night: Showers and possibly a thunderstorm. Low around 51. Chance of precipitation is 80%.

    Low: 51 °F

    Showers

  • Saturday

    Saturday: A 40 percent chance of showers, mainly before 1pm. Mostly sunny, with a high near 63.

    High: 63 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 41.

    Low: 41 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 67.

    High: 67 °F

    Sunny

Detailed Forecast

This Afternoon
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 73. South wind around 10 mph.
Tonight
Showers and thunderstorms before 4am, then a slight chance of showers. Low around 62. Southwest wind 7 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 80%.
Thursday
Mostly cloudy, then gradually becoming sunny, with a high near 84. West wind around 7 mph.
Thursday Night
Mostly clear, with a low around 61. Light south wind.
Friday
A 50 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 88. South wind 5 to 14 mph, with gusts as high as 24 mph.
Friday Night
Showers and possibly a thunderstorm. Low around 51. Chance of precipitation is 80%.
Saturday
A 40 percent chance of showers, mainly before 1pm. Mostly sunny, with a high near 63.
Saturday Night
Mostly clear, with a low around 41.
Sunday
Sunny, with a high near 67.
Sunday Night
Clear, with a low around 43.
Monday
Sunny, with a high near 75.
Monday Night
Mostly clear, with a low around 52.
Tuesday
Sunny, with a high near 79.
Tuesday Night
A 20 percent chance of showers. Partly cloudy, with a low around 55.
Wednesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 79.
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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:
3:31 pm CDT Apr 15, 2026
Forecast Valid:
4pm CDT Apr 15, 2026-6pm CDT Apr 22, 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