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

94°F

34°C

Humidity 46%
Wind Speed W 6 mph
Barometer 29.78 in (1007.4 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index100°F (38°C)
Last update 20 Sep 4:54 pm CDT
Extended Forecast for

Chesterfield MO

  • This Afternoon

    This Afternoon: A 20 percent chance of showers and thunderstorms. Sunny, with a high near 93. West wind around 5 mph.

    High: 93 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 72. Light and variable wind.

    Low: 72 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Saturday

    Saturday: A slight chance of showers, then a chance of showers and thunderstorms after 10am. Patchy fog before 8am. Otherwise, partly sunny, with a high near 87. Calm wind becoming southwest 5 to 7 mph in the morning. Chance of precipitation is 40%.

    High: 87 °F

    Chance
    Showers and
    Patchy Fog
    then Chance
    T-storms

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 70. Light south wind. Chance of precipitation is 60%.

    Low: 70 °F

    Chance
    Showers then
    Showers
    Likely

  • Sunday

    Sunday: Showers and possibly a thunderstorm. High near 84. Calm wind becoming southwest around 6 mph in the afternoon. Chance of precipitation is 90%.

    High: 84 °F

    Showers

  • Sunday Night

    Sunday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 66. Chance of precipitation is 70%.

    Low: 66 °F

    Showers
    Likely

  • Monday

    Monday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 76. Chance of precipitation is 70%.

    High: 76 °F

    Chance
    T-storms then
    Showers
    Likely

  • Monday Night

    Monday Night: A chance of showers and thunderstorms before 1am, then a slight chance of showers. Mostly cloudy, with a low around 61. Chance of precipitation is 40%.

    Low: 61 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: Partly sunny, with a high near 73.

    High: 73 °F

    Partly Sunny

Detailed Forecast

This Afternoon
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 93. West wind around 5 mph.
Tonight
A 20 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 72. Light and variable wind.
Saturday
A slight chance of showers, then a chance of showers and thunderstorms after 10am. Patchy fog before 8am. Otherwise, partly sunny, with a high near 87. Calm wind becoming southwest 5 to 7 mph in the morning. Chance of precipitation is 40%.
Saturday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 70. Light south wind. Chance of precipitation is 60%.
Sunday
Showers and possibly a thunderstorm. High near 84. Calm wind becoming southwest around 6 mph in the afternoon. Chance of precipitation is 90%.
Sunday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 66. Chance of precipitation is 70%.
Monday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 76. Chance of precipitation is 70%.
Monday Night
A chance of showers and thunderstorms before 1am, then a slight chance of showers. Mostly cloudy, with a low around 61. Chance of precipitation is 40%.
Tuesday
Partly sunny, with a high near 73.
Tuesday Night
Mostly cloudy, with a low around 57.
Wednesday
Partly sunny, with a high near 74.
Wednesday Night
Partly cloudy, with a low around 57.
Thursday
Mostly sunny, with a high near 75.
Thursday Night
A 20 percent chance of showers. Partly cloudy, with a low around 57.
Friday
A 20 percent chance of showers. Mostly sunny, with a high near 77.
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Map Legend

ABOUT THIS FORECAST

 
Point Forecast:
Chesterfield MO
 38.65°N 90.57°W (Elev. 512 ft)
Last Update:
5:07 pm CDT Sep 20, 2024
Forecast Valid:
5pm CDT Sep 20, 2024-6pm CDT Sep 27, 2024
 
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