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.

Fog/Mist

69°F

21°C

Humidity 96%
Wind Speed SW 3 mph
Barometer 29.96 in (1013.9 mb)
Dewpoint 68°F (20°C)
Visibility 4.00 mi
Last update 6 Jul 3:54 am CDT
Extended Forecast for

4 Miles ENE Chesterfield MO

  • Today

    Today: A 20 percent chance of showers and thunderstorms after 9am. Patchy fog before 7am. Otherwise, mostly sunny, with a high near 86. North wind 3 to 7 mph.

    High: 86 °F

    Slight Chance
    T-storms and
    Patchy Fog

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms before 9pm. Partly cloudy, with a low around 69. North wind around 6 mph becoming calm in the evening.

    Low: 69 °F

    Slight Chance
    T-storms then
    Mostly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 87. North wind 3 to 7 mph.

    High: 87 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers and thunderstorms before 9pm. Mostly clear, with a low around 69. Northeast wind around 5 mph becoming calm in the evening.

    Low: 69 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 91. Calm wind.

    High: 91 °F

    Sunny

  • Wednesday Night

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

    Low: 73 °F

    Mostly Clear

  • Thursday

    Thursday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 93.

    High: 93 °F

    Sunny then
    Slight Chance
    T-storms

  • Thursday Night

    Thursday Night: Showers and thunderstorms likely, mainly after 1am. Partly cloudy, with a low around 75. Chance of precipitation is 60%.

    Low: 75 °F

    Slight Chance
    T-storms then
    T-storms
    Likely

  • Friday

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

    High: 90 °F

    Chance
    T-storms

Detailed Forecast

Today
A 20 percent chance of showers and thunderstorms after 9am. Patchy fog before 7am. Otherwise, mostly sunny, with a high near 86. North wind 3 to 7 mph.
Tonight
A 20 percent chance of showers and thunderstorms before 9pm. Partly cloudy, with a low around 69. North wind around 6 mph becoming calm in the evening.
Tuesday
A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 87. North wind 3 to 7 mph.
Tuesday Night
A 20 percent chance of showers and thunderstorms before 9pm. Mostly clear, with a low around 69. Northeast wind around 5 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 91. Calm wind.
Wednesday Night
Mostly clear, with a low around 73.
Thursday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 93.
Thursday Night
Showers and thunderstorms likely, mainly after 1am. Partly cloudy, with a low around 75. Chance of precipitation is 60%.
Friday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 90.
Friday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 72. Chance of precipitation is 60%.
Saturday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 89.
Saturday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 71.
Sunday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 90.
Basemap Options
Click map to change the forecast location
Loading map...
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:
4:21 am CDT Jul 6, 2026
Forecast Valid:
4am CDT Jul 6, 2026-6pm CDT Jul 12, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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