National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

St. Louis, Spirit Of St. Louis Airport (KSUS)

Lat: 38.66°NLon: 90.66°WElev: 463ft.

A Few Clouds

86°F

30°C

Humidity 53%
Wind Speed N 5 mph
Barometer 30.03 in (1015.9 mb)
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Heat Index89°F (32°C)
Last update 7 Jul 6:54 pm CDT
Extended Forecast for

4 Miles ENE Chesterfield MO

  • Tonight

    Tonight: Partly cloudy, with a low around 70. Northeast wind around 5 mph becoming calm in the evening.

    Low: 70 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 90. Calm wind.

    High: 90 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 72. Light south wind.

    Low: 72 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 94. Heat index values as high as 100. Southwest wind 3 to 6 mph.

    High: 94 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 74. Southwest wind 3 to 5 mph. Chance of precipitation is 70%.

    Low: 74 °F

    Chance
    T-storms then
    Showers
    Likely

  • Friday

    Friday: A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 90.

    High: 90 °F

    Chance
    Showers then
    Chance
    T-storms

  • Friday Night

    Friday Night: Showers and possibly a thunderstorm. Low around 72. Chance of precipitation is 80%.

    Low: 72 °F

    T-storms

  • Saturday

    Saturday: A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 88.

    High: 88 °F

    Chance
    T-storms

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 71. Chance of precipitation is 30%.

    Low: 71 °F

    Chance
    Showers

Detailed Forecast

Tonight
Partly cloudy, with a low around 70. Northeast wind around 5 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 90. Calm wind.
Wednesday Night
Mostly clear, with a low around 72. Light south wind.
Thursday
Mostly sunny, with a high near 94. Heat index values as high as 100. Southwest wind 3 to 6 mph.
Thursday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 74. Southwest wind 3 to 5 mph. Chance of precipitation is 70%.
Friday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 90.
Friday Night
Showers and possibly a thunderstorm. Low around 72. Chance of precipitation is 80%.
Saturday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 88.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 71. Chance of precipitation is 30%.
Sunday
A slight chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 89. Chance of precipitation is 20%.
Sunday Night
Mostly clear, with a low around 71.
Monday
Sunny, with a high near 91.
Monday Night
Clear, with a low around 72.
Tuesday
Sunny, with a high near 93.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles ENE Chesterfield MO
 38.67°N 90.51°W (Elev. 548 ft)
Last Update:
5:11 pm CDT Jul 7, 2026
Forecast Valid:
7pm CDT Jul 7, 2026-6pm CDT Jul 14, 2026
 
Forecast Discussion
 
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Additional Resources

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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