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.

Overcast

72°F

22°C

Humidity 68%
Wind Speed SW 9 G 18 mph
Barometer 29.95 in (1013.6 mb)
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 13 Apr 1:54 am CDT
Extended Forecast for

Chesterfield MO

  • Overnight

    Overnight: Partly cloudy, with a low around 67. Southwest wind around 10 mph, with gusts as high as 22 mph.

    Low: 67 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 86. Southwest wind 9 to 14 mph, with gusts as high as 24 mph.

    High: 86 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 70. Southwest wind 11 to 14 mph, with gusts as high as 29 mph.

    Low: 70 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 89. Southwest wind 11 to 16 mph, with gusts as high as 28 mph.

    High: 89 °F

    Mostly Sunny
    then Chance
    Showers

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms before 1am, then a chance of showers between 1am and 4am, then a chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 70. South wind 10 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 50%.

    Low: 70 °F

    Chance
    T-storms

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm. High near 82. Chance of precipitation is 80%.

    High: 82 °F

    Showers

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 63. Chance of precipitation is 70%.

    Low: 63 °F

    Showers
    Likely

  • Thursday

    Thursday: A chance of showers, with thunderstorms also possible after 7am. Mostly sunny, with a high near 84. Chance of precipitation is 30%.

    High: 84 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 62.

    Low: 62 °F

    Mostly Clear

Detailed Forecast

Overnight
Partly cloudy, with a low around 67. Southwest wind around 10 mph, with gusts as high as 22 mph.
Monday
Mostly sunny, with a high near 86. Southwest wind 9 to 14 mph, with gusts as high as 24 mph.
Monday Night
Partly cloudy, with a low around 70. Southwest wind 11 to 14 mph, with gusts as high as 29 mph.
Tuesday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 89. Southwest wind 11 to 16 mph, with gusts as high as 28 mph.
Tuesday Night
A chance of showers and thunderstorms before 1am, then a chance of showers between 1am and 4am, then a chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 70. South wind 10 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 50%.
Wednesday
Showers and possibly a thunderstorm. High near 82. Chance of precipitation is 80%.
Wednesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 63. Chance of precipitation is 70%.
Thursday
A chance of showers, with thunderstorms also possible after 7am. Mostly sunny, with a high near 84. Chance of precipitation is 30%.
Thursday Night
Mostly clear, with a low around 62.
Friday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 89.
Friday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 60. Chance of precipitation is 70%.
Saturday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 75.
Saturday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 44.
Sunday
Sunny, with a high near 66.
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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:
1:26 am CDT Apr 13, 2026
Forecast Valid:
2am CDT Apr 13, 2026-6pm CDT Apr 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