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.

Overcast

69°F

21°C

Humidity 81%
Wind Speed NE 5 mph
Barometer 29.83 in (1009.7 mb)
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 12 May 3:54 pm CDT
Extended Forecast for

Chesterfield MO

  • This Afternoon

    This Afternoon: Scattered showers and thunderstorms. Cloudy, with a high near 73. East wind around 7 mph. Chance of precipitation is 50%.

    High: 73 °F

    Scattered
    Showers

  • Tonight

    Tonight: Scattered showers and thunderstorms before midnight, then isolated showers. Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 61. East wind 5 to 7 mph becoming calm in the evening. Chance of precipitation is 40%.

    Low: 61 °F

    Scattered
    Showers and
    Patchy Fog

  • Tuesday

    Tuesday: Scattered showers and thunderstorms, mainly between 3pm and 5pm. Patchy fog before 8am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 79. Calm wind becoming southeast around 5 mph in the afternoon. Chance of precipitation is 30%.

    High: 79 °F

    Patchy Fog
    then
    Scattered
    Showers

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 59. Light south wind.

    Low: 59 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 85. Light southeast wind increasing to 5 to 9 mph in the morning.

    High: 85 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 68.

    Low: 68 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 90.

    High: 90 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 63.

    Low: 63 °F

    Partly Cloudy

  • Friday

    Friday: A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 88.

    High: 88 °F

    Sunny then
    Slight Chance
    T-storms

Detailed Forecast

This Afternoon
Scattered showers and thunderstorms. Cloudy, with a high near 73. East wind around 7 mph. Chance of precipitation is 50%.
Tonight
Scattered showers and thunderstorms before midnight, then isolated showers. Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 61. East wind 5 to 7 mph becoming calm in the evening. Chance of precipitation is 40%.
Tuesday
Scattered showers and thunderstorms, mainly between 3pm and 5pm. Patchy fog before 8am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 79. Calm wind becoming southeast around 5 mph in the afternoon. Chance of precipitation is 30%.
Tuesday Night
Mostly clear, with a low around 59. Light south wind.
Wednesday
Sunny, with a high near 85. Light southeast wind increasing to 5 to 9 mph in the morning.
Wednesday Night
Partly cloudy, with a low around 68.
Thursday
Mostly sunny, with a high near 90.
Thursday Night
Partly cloudy, with a low around 63.
Friday
A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 88.
Friday Night
A 30 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 61.
Saturday
Sunny, with a high near 84.
Saturday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 60.
Sunday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 81.
Sunday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 63. Chance of precipitation is 60%.
Monday
Showers and thunderstorms likely. Mostly cloudy, with a high near 81. Chance of precipitation is 60%.
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ABOUT THIS FORECAST

 
Point Forecast:
Chesterfield MO
 38.65°N 90.57°W (Elev. 512 ft)
Last Update:
3:07 pm CDT May 12, 2025
Forecast Valid:
4pm CDT May 12, 2025-6pm CDT May 19, 2025
 
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