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

50°F

10°C

Humidity 43%
Wind Speed NE 9 mph
Barometer 30.32 in (1026.7 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill46°F (8°C)
Last update 7 Apr 2:54 am CDT
Extended Forecast for

Chesterfield MO

  • Overnight

    Overnight: Cloudy, with a low around 40. Northeast wind around 9 mph, with gusts as high as 22 mph.

    Low: 40 °F

    Cloudy

  • Tuesday

    Tuesday: Cloudy, then gradually becoming mostly sunny, with a high near 55. East wind 8 to 11 mph.

    High: 55 °F

    Decreasing
    Clouds

  • Tuesday Night

    Tuesday Night: Increasing clouds, with a low around 42. East wind around 8 mph.

    Low: 42 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: Mostly sunny, with a high near 75. Southeast wind 8 to 14 mph, with gusts as high as 24 mph.

    High: 75 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 55. South wind 8 to 10 mph.

    Low: 55 °F

    Partly Cloudy

  • Thursday

    Thursday: A 20 percent chance of showers after 1pm. Sunny, with a high near 79.

    High: 79 °F

    Sunny then
    Slight Chance
    Showers

  • Thursday Night

    Thursday Night: A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 59.

    Low: 59 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Friday

    Friday: A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 73. Chance of precipitation is 60%.

    High: 73 °F

    Showers
    Likely

  • Friday Night

    Friday Night: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 56.

    Low: 56 °F

    Chance
    T-storms

Detailed Forecast

Overnight
Cloudy, with a low around 40. Northeast wind around 9 mph, with gusts as high as 22 mph.
Tuesday
Cloudy, then gradually becoming mostly sunny, with a high near 55. East wind 8 to 11 mph.
Tuesday Night
Increasing clouds, with a low around 42. East wind around 8 mph.
Wednesday
Mostly sunny, with a high near 75. Southeast wind 8 to 14 mph, with gusts as high as 24 mph.
Wednesday Night
Partly cloudy, with a low around 55. South wind 8 to 10 mph.
Thursday
A 20 percent chance of showers after 1pm. Sunny, with a high near 79.
Thursday Night
A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 59.
Friday
A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 73. Chance of precipitation is 60%.
Friday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 56.
Saturday
A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 77. Chance of precipitation is 30%.
Saturday Night
Mostly cloudy, with a low around 61.
Sunday
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 82.
Sunday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 65.
Monday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 85.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Chesterfield MO
 38.65°N 90.6°W (Elev. 466 ft)
Last Update:
2:21 am CDT Apr 7, 2026
Forecast Valid:
3am CDT Apr 7, 2026-6pm CDT Apr 13, 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