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

71°F

22°C

Humidity 96%
Wind Speed Calm
Barometer 29.91 in (1012.0 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Last update 30 Jun 5:54 am CDT
Extended Forecast for

Chesterfield MO

  • Today

    Today: A 50 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 90. Calm wind becoming west 5 to 7 mph in the morning.

    High: 90 °F

    Partly Sunny
    then Chance
    T-storms

  • Tonight

    Tonight: A chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Mostly cloudy, with a low around 69. Northwest wind 3 to 7 mph. Chance of precipitation is 50%.

    Low: 69 °F

    Chance
    T-storms then
    Slight Chance
    Showers

  • Tuesday

    Tuesday: Sunny, with a high near 86. Northwest wind 6 to 9 mph.

    High: 86 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 67. Light west wind.

    Low: 67 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 89. Light west wind.

    High: 89 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 69.

    Low: 69 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 92.

    High: 92 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 73.

    Low: 73 °F

    Mostly Clear

  • Independence Day

    Independence Day: Sunny, with a high near 94.

    High: 94 °F

    Sunny

Detailed Forecast

Today
A 50 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 90. Calm wind becoming west 5 to 7 mph in the morning.
Tonight
A chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Mostly cloudy, with a low around 69. Northwest wind 3 to 7 mph. Chance of precipitation is 50%.
Tuesday
Sunny, with a high near 86. Northwest wind 6 to 9 mph.
Tuesday Night
Mostly clear, with a low around 67. Light west wind.
Wednesday
Sunny, with a high near 89. Light west wind.
Wednesday Night
Mostly clear, with a low around 69.
Thursday
Sunny, with a high near 92.
Thursday Night
Mostly clear, with a low around 73.
Independence Day
Sunny, with a high near 94.
Friday Night
Partly cloudy, with a low around 75.
Saturday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 95.
Saturday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 76.
Sunday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 94.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Chesterfield MO
 38.67°N 90.57°W (Elev. 446 ft)
Last Update:
5:37 am CDT Jun 30, 2025
Forecast Valid:
6am CDT Jun 30, 2025-6pm CDT Jul 6, 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