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

88°F

31°C

Humidity 43%
Wind Speed SW 15 G 25 mph
Barometer 29.78 in (1007.7 mb)
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Heat Index89°F (32°C)
Last update 14 Apr 4:54 pm CDT
Extended Forecast for

Chesterfield MO

  • Tonight

    Tonight: Isolated showers and thunderstorms before 7pm, then isolated showers and thunderstorms after 11pm. Increasing clouds, with a low around 70. Southwest wind 10 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.

    Low: 70 °F

    Isolated
    T-storms

  • Wednesday

    Wednesday: Showers and thunderstorms likely, mainly after 4pm. Mostly cloudy, with a high near 82. South wind 9 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 60%.

    High: 82 °F

    T-storms
    Likely

  • Wednesday Night

    Wednesday Night: Showers and thunderstorms likely before 1am, then showers and possibly a thunderstorm between 1am and 4am, then showers after 4am. Low around 63. South wind 8 to 10 mph. Chance of precipitation is 90%.

    Low: 63 °F

    Showers
    Likely then
    Showers

  • Thursday

    Thursday: Showers likely, with thunderstorms also possible after 1pm. Mostly cloudy, then gradually becoming sunny, with a high near 82. West wind 7 to 10 mph. Chance of precipitation is 60%.

    High: 82 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 61. South wind 3 to 5 mph.

    Low: 61 °F

    Mostly Clear

  • Friday

    Friday: A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 88.

    High: 88 °F

    Mostly Sunny
    then Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 57. Chance of precipitation is 70%.

    Low: 57 °F

    Chance
    T-storms then
    Showers
    Likely

  • Saturday

    Saturday: A chance of showers and thunderstorms. Partly sunny, with a high near 71. Chance of precipitation is 50%.

    High: 71 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: A 20 percent chance of showers before 1am. Partly cloudy, with a low around 42.

    Low: 42 °F

    Slight Chance
    Showers

Detailed Forecast

Tonight
Isolated showers and thunderstorms before 7pm, then isolated showers and thunderstorms after 11pm. Increasing clouds, with a low around 70. Southwest wind 10 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
Wednesday
Showers and thunderstorms likely, mainly after 4pm. Mostly cloudy, with a high near 82. South wind 9 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 60%.
Wednesday Night
Showers and thunderstorms likely before 1am, then showers and possibly a thunderstorm between 1am and 4am, then showers after 4am. Low around 63. South wind 8 to 10 mph. Chance of precipitation is 90%.
Thursday
Showers likely, with thunderstorms also possible after 1pm. Mostly cloudy, then gradually becoming sunny, with a high near 82. West wind 7 to 10 mph. Chance of precipitation is 60%.
Thursday Night
Mostly clear, with a low around 61. South wind 3 to 5 mph.
Friday
A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 88.
Friday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 57. Chance of precipitation is 70%.
Saturday
A chance of showers and thunderstorms. Partly sunny, with a high near 71. Chance of precipitation is 50%.
Saturday Night
A 20 percent chance of showers before 1am. Partly cloudy, with a low around 42.
Sunday
Sunny, with a high near 63.
Sunday Night
Clear, with a low around 41.
Monday
Sunny, with a high near 72.
Monday Night
Mostly clear, with a low around 48.
Tuesday
Sunny, with a high near 75.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Chesterfield MO
 38.65°N 90.6°W (Elev. 466 ft)
Last Update:
4:46 pm CDT Apr 14, 2026
Forecast Valid:
5pm CDT Apr 14, 2026-6pm CDT Apr 21, 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