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

74°F

23°C

Humidity 41%
Wind Speed SW 12 mph
Barometer 30.11 in (1019.2 mb)
Dewpoint 49°F (9°C)
Visibility 10.00 mi
Last update 12 May 10:54 am CDT
Extended Forecast for

3 Miles E Chesterfield MO

  • Today

    Today: Sunny, with a high near 83. Southwest wind 7 to 11 mph, with gusts as high as 21 mph.

    High: 83 °F

    Sunny

  • Tonight

    Tonight: A slight chance of showers and thunderstorms between midnight and 1am. Mostly cloudy, then gradual clearing toward daybreak, with a low around 58. Southwest wind around 8 mph becoming northwest after midnight. Chance of precipitation is 20%.

    Low: 58 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

  • Wednesday

    Wednesday: Sunny, with a high near 76. Northwest wind 7 to 13 mph, with gusts as high as 22 mph.

    High: 76 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 50. North wind 5 to 8 mph becoming calm in the evening.

    Low: 50 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 78. Calm wind becoming southeast 5 to 7 mph in the afternoon.

    High: 78 °F

    Sunny

  • Thursday Night

    Thursday Night: A chance of showers between 1am and 4am, then a chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 59. Chance of precipitation is 50%.

    Low: 59 °F

    Mostly Cloudy
    then Chance
    T-storms

  • Friday

    Friday: A 40 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 90.

    High: 90 °F

    Chance
    T-storms then
    Chance
    Showers

  • Friday Night

    Friday Night: A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 65.

    Low: 65 °F

    Slight Chance
    T-storms

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 90.

    High: 90 °F

    Sunny then
    Slight Chance
    T-storms

Detailed Forecast

Today
Sunny, with a high near 83. Southwest wind 7 to 11 mph, with gusts as high as 21 mph.
Tonight
A slight chance of showers and thunderstorms between midnight and 1am. Mostly cloudy, then gradual clearing toward daybreak, with a low around 58. Southwest wind around 8 mph becoming northwest after midnight. Chance of precipitation is 20%.
Wednesday
Sunny, with a high near 76. Northwest wind 7 to 13 mph, with gusts as high as 22 mph.
Wednesday Night
Clear, with a low around 50. North wind 5 to 8 mph becoming calm in the evening.
Thursday
Sunny, with a high near 78. Calm wind becoming southeast 5 to 7 mph in the afternoon.
Thursday Night
A chance of showers between 1am and 4am, then a chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 59. Chance of precipitation is 50%.
Friday
A 40 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 90.
Friday Night
A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 65.
Saturday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 90.
Saturday Night
A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 69.
Sunday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 92.
Sunday Night
A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 71.
Monday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 86.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles E Chesterfield MO
 38.65°N 90.54°W (Elev. 600 ft)
Last Update:
11:26 am CDT May 12, 2026
Forecast Valid:
11am CDT May 12, 2026-6pm CDT May 18, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation