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 and Breezy

66°F

19°C

Humidity 47%
Wind Speed N 23 G 33 mph
Barometer 29.82 in (1009.4 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Last update 22 Mar 5:54 pm CDT
Extended Forecast for

Chesterfield MO

  • Tonight

    Tonight: Mostly cloudy during the early evening, then gradual clearing, with a low around 37. Breezy, with a north wind 17 to 22 mph decreasing to 11 to 16 mph after midnight. Winds could gust as high as 37 mph.

    Low: 37 °F

    Decreasing
    Clouds and
    Breezy then
    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 56. Northeast wind 7 to 13 mph, with gusts as high as 23 mph.

    High: 56 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 39. East wind around 6 mph.

    Low: 39 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 65. Southeast wind around 7 mph.

    High: 65 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 45. Southeast wind 3 to 6 mph.

    Low: 45 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 79.

    High: 79 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 62.

    Low: 62 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 90.

    High: 90 °F

    Sunny

  • Thursday Night

    Thursday Night: A chance of rain and thunderstorms, then rain likely after 1am. Partly cloudy, with a low around 42. Chance of precipitation is 60%.

    Low: 42 °F

    Chance
    T-storms then
    Rain Likely

Detailed Forecast

Tonight
Mostly cloudy during the early evening, then gradual clearing, with a low around 37. Breezy, with a north wind 17 to 22 mph decreasing to 11 to 16 mph after midnight. Winds could gust as high as 37 mph.
Monday
Mostly sunny, with a high near 56. Northeast wind 7 to 13 mph, with gusts as high as 23 mph.
Monday Night
Mostly cloudy, with a low around 39. East wind around 6 mph.
Tuesday
Mostly sunny, with a high near 65. Southeast wind around 7 mph.
Tuesday Night
Partly cloudy, with a low around 45. Southeast wind 3 to 6 mph.
Wednesday
Mostly sunny, with a high near 79.
Wednesday Night
Partly cloudy, with a low around 62.
Thursday
Sunny, with a high near 90.
Thursday Night
A chance of rain and thunderstorms, then rain likely after 1am. Partly cloudy, with a low around 42. Chance of precipitation is 60%.
Friday
A 40 percent chance of rain, mainly before 1pm. Mostly sunny, with a high near 52.
Friday Night
Partly cloudy, with a low around 33.
Saturday
Sunny, with a high near 58.
Saturday Night
Partly cloudy, with a low around 39.
Sunday
Mostly sunny, with a high near 67.
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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:
5:46 pm CDT Mar 22, 2026
Forecast Valid:
6pm CDT Mar 22, 2026-6pm CDT Mar 29, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation