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 with Haze

76°F

24°C

Humidity 82%
Wind Speed NW 8 mph
Barometer 29.99 in (1014.7 mb)
Dewpoint 70°F (21°C)
Visibility 6.00 mi
Heat Index77°F (25°C)
Last update 14 Jun 11:54 am CDT
Extended Forecast for

Chesterfield MO

  • This Afternoon

    This Afternoon: A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 80. North wind 6 to 9 mph.

    High: 80 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: Patchy fog after 3am. Otherwise, partly cloudy, with a low around 67. North wind around 6 mph becoming calm in the evening.

    Low: 67 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Sunday

    Sunday: Patchy fog before 8am. Otherwise, partly sunny, with a high near 86. Calm wind becoming northeast around 5 mph.

    High: 86 °F

    Patchy Fog
    then Partly
    Sunny

  • Sunday Night

    Sunday Night: A 30 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 69. Northeast wind around 5 mph becoming light and variable in the evening.

    Low: 69 °F

    Mostly Cloudy
    then Chance
    Showers

  • Monday

    Monday: A slight chance of showers, then a chance of showers and thunderstorms after 10am. Partly sunny, with a high near 83. Calm wind becoming southeast around 5 mph. Chance of precipitation is 40%.

    High: 83 °F

    Chance
    T-storms

  • Monday Night

    Monday Night: A slight chance of thunderstorms before 7pm, then a slight chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 69. Chance of precipitation is 20%.

    Low: 69 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 89.

    High: 89 °F

    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 73.

    Low: 73 °F

    Chance
    T-storms

  • Wednesday

    Wednesday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 90. Chance of precipitation is 60%.

    High: 90 °F

    Chance
    Showers then
    Showers
    Likely

Detailed Forecast

This Afternoon
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 80. North wind 6 to 9 mph.
Tonight
Patchy fog after 3am. Otherwise, partly cloudy, with a low around 67. North wind around 6 mph becoming calm in the evening.
Sunday
Patchy fog before 8am. Otherwise, partly sunny, with a high near 86. Calm wind becoming northeast around 5 mph.
Sunday Night
A 30 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 69. Northeast wind around 5 mph becoming light and variable in the evening.
Monday
A slight chance of showers, then a chance of showers and thunderstorms after 10am. Partly sunny, with a high near 83. Calm wind becoming southeast around 5 mph. Chance of precipitation is 40%.
Monday Night
A slight chance of thunderstorms before 7pm, then a slight chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 69. Chance of precipitation is 20%.
Tuesday
A 30 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 89.
Tuesday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 73.
Wednesday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 90. Chance of precipitation is 60%.
Wednesday Night
A 50 percent chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 71.
Juneteenth
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89.
Thursday Night
Partly cloudy, with a low around 70.
Friday
Sunny, with a high near 90.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Chesterfield MO
 38.65°N 90.57°W (Elev. 512 ft)
Last Update:
12:07 pm CDT Jun 14, 2025
Forecast Valid:
12pm CDT Jun 14, 2025-6pm CDT Jun 20, 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