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.

Light Rain Fog/Mist

50°F

10°C

Humidity 96%
Wind Speed Calm
Barometer 30.06 in (1018.2 mb)
Dewpoint 49°F (9°C)
Visibility 0.75 mi
Last update 4 Mar 10:54 am CST
Extended Forecast for

Chesterfield MO

  • Today

    Today: Showers and thunderstorms, mainly before 4pm. Patchy fog before noon. High near 62. Light and variable wind. Chance of precipitation is 90%.

    High: 62 °F

    T-storms and
    Patchy Fog

  • Tonight

    Tonight: Showers and thunderstorms, mainly before 4am, then showers likely and possibly a thunderstorm after 4am. Patchy fog after 8pm. Low around 53. Light and variable wind. Chance of precipitation is 80%.

    Low: 53 °F

    T-storms and
    Patchy Fog

  • Thursday

    Thursday: Scattered showers, mainly before 8am. Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 68. West wind 5 to 7 mph becoming calm in the afternoon. Chance of precipitation is 40%.

    High: 68 °F

    Scattered
    Showers and
    Patchy Fog
    then Partly
    Sunny

  • Thursday Night

    Thursday Night: Scattered showers and thunderstorms before midnight, then showers likely and possibly a thunderstorm between midnight and 3am, then showers likely after 3am. Mostly cloudy, with a low around 57. Calm wind becoming south 5 to 7 mph after midnight. Chance of precipitation is 60%.

    Low: 57 °F

    Showers
    Likely

  • Friday

    Friday: A 40 percent chance of showers. Partly sunny, with a high near 80. South wind 9 to 16 mph, with gusts as high as 28 mph.

    High: 80 °F

    Chance
    Showers

  • Friday Night

    Friday Night: Showers and possibly a thunderstorm. Low around 54. Chance of precipitation is 90%.

    Low: 54 °F

    Showers
    Likely then
    Showers

  • Saturday

    Saturday: A 40 percent chance of showers before noon. Partly sunny, with a high near 66.

    High: 66 °F

    Chance
    Showers then
    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 41.

    Low: 41 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 68.

    High: 68 °F

    Sunny

Detailed Forecast

Today
Showers and thunderstorms, mainly before 4pm. Patchy fog before noon. High near 62. Light and variable wind. Chance of precipitation is 90%.
Tonight
Showers and thunderstorms, mainly before 4am, then showers likely and possibly a thunderstorm after 4am. Patchy fog after 8pm. Low around 53. Light and variable wind. Chance of precipitation is 80%.
Thursday
Scattered showers, mainly before 8am. Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 68. West wind 5 to 7 mph becoming calm in the afternoon. Chance of precipitation is 40%.
Thursday Night
Scattered showers and thunderstorms before midnight, then showers likely and possibly a thunderstorm between midnight and 3am, then showers likely after 3am. Mostly cloudy, with a low around 57. Calm wind becoming south 5 to 7 mph after midnight. Chance of precipitation is 60%.
Friday
A 40 percent chance of showers. Partly sunny, with a high near 80. South wind 9 to 16 mph, with gusts as high as 28 mph.
Friday Night
Showers and possibly a thunderstorm. Low around 54. Chance of precipitation is 90%.
Saturday
A 40 percent chance of showers before noon. Partly sunny, with a high near 66.
Saturday Night
Partly cloudy, with a low around 41.
Sunday
Sunny, with a high near 68.
Sunday Night
Mostly clear, with a low around 49.
Monday
Sunny, with a high near 79.
Monday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 60.
Tuesday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 78. Chance of precipitation is 70%.
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ABOUT THIS FORECAST

 
Point Forecast:
Chesterfield MO
 38.65°N 90.6°W (Elev. 466 ft)
Last Update:
10:26 am CST Mar 4, 2026
Forecast Valid:
11am CST Mar 4, 2026-6pm CDT Mar 10, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation