Current conditions at

St. Louis, Spirit Of St. Louis Airport (KSUS)

Lat: 38.66°NLon: 90.66°WElev: 463ft.

Overcast

59°F

15°C

Humidity 83%
Wind Speed Calm
Barometer 29.98 in (1015.3 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 5 Mar 5:54 pm CST
Extended Forecast for

Chesterfield MO

  • Tonight

    Tonight: A 40 percent chance of rain and thunderstorms, mainly after 1am.  Mostly cloudy, with a low around 56. Calm wind becoming southeast around 6 mph after midnight.

    Low: 56 °F

    Chance
    T-storms

  • Friday

    Friday: A 30 percent chance of rain and thunderstorms, mainly before 3pm.  Partly sunny, with a high near 76. South wind 7 to 15 mph, with gusts as high as 28 mph.

    High: 76 °F

    Chance
    T-storms

  • Friday Night

    Friday Night: A slight chance of rain and thunderstorms between 9pm and midnight, then rain and possibly a thunderstorm after midnight.  Low around 58. South wind 10 to 14 mph, with gusts as high as 25 mph.  Chance of precipitation is 90%.

    Low: 58 °F

    Slight Chance
    T-storms then
    Rain

  • Saturday

    Saturday: A chance of rain and thunderstorms before 9am, then a chance of rain between 9am and noon.  Partly sunny, with a high near 69. Southwest wind 8 to 13 mph becoming northwest in the afternoon. Winds could gust as high as 22 mph.  Chance of precipitation is 50%.

    High: 69 °F

    Chance Rain
    then Mostly
    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 40. Northwest wind 5 to 7 mph becoming calm  in the evening.

    Low: 40 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 69.

    High: 69 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 51.

    Low: 51 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 80.

    High: 80 °F

    Sunny

  • Monday Night

    Monday Night: A slight chance of rain, then a chance of rain and thunderstorms after midnight.  Partly cloudy, with a low around 60. Chance of precipitation is 30%.

    Low: 60 °F

    Chance Rain

Detailed Forecast

Tonight
A 40 percent chance of rain and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 56. Calm wind becoming southeast around 6 mph after midnight.
Friday
A 30 percent chance of rain and thunderstorms, mainly before 3pm. Partly sunny, with a high near 76. South wind 7 to 15 mph, with gusts as high as 28 mph.
Friday Night
A slight chance of rain and thunderstorms between 9pm and midnight, then rain and possibly a thunderstorm after midnight. Low around 58. South wind 10 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 90%.
Saturday
A chance of rain and thunderstorms before 9am, then a chance of rain between 9am and noon. Partly sunny, with a high near 69. Southwest wind 8 to 13 mph becoming northwest in the afternoon. Winds could gust as high as 22 mph. Chance of precipitation is 50%.
Saturday Night
Partly cloudy, with a low around 40. Northwest wind 5 to 7 mph becoming calm in the evening.
Sunday
Sunny, with a high near 69.
Sunday Night
Clear, with a low around 51.
Monday
Sunny, with a high near 80.
Monday Night
A slight chance of rain, then a chance of rain and thunderstorms after midnight. Partly cloudy, with a low around 60. Chance of precipitation is 30%.
Tuesday
Rain and possibly a thunderstorm. High near 80. Chance of precipitation is 80%.
Tuesday Night
Rain and possibly a thunderstorm. Low around 54. Chance of precipitation is 90%.
Wednesday
Rain likely. Mostly cloudy, with a high near 66. Chance of precipitation is 70%.
Wednesday Night
A 20 percent chance of rain. Partly cloudy, with a low around 37.
Thursday
Sunny, with a high near 57.
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ABOUT THIS FORECAST

 
Point Forecast:
Chesterfield MO
 38.65°N 90.6°W (Elev. 466 ft)
5:10 pm CST Mar 5, 2026
6pm CST Mar 5, 2026-6pm CDT Mar 12, 2026
 
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Additional Resources

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