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.

Mostly Cloudy

76°F

24°C

Humidity 60%
Wind Speed S 10 G 18 mph
Barometer 29.89 in (1011.3 mb)
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 4 Apr 12:54 am CDT
Extended Forecast for

Chesterfield MO

  • Overnight

    Overnight: Showers and possibly a thunderstorm. Low around 53. Southwest wind 10 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 100%.

    Low: 53 °F

    Showers

  • Saturday

    Saturday: Showers, mainly before 9am. High near 64. West wind 10 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 80%.

    High: 64 °F

    Showers then
    Mostly Cloudy

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 40. West wind 7 to 13 mph, with gusts as high as 22 mph.

    Low: 40 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 61. Northwest wind 7 to 10 mph, with gusts as high as 20 mph.

    High: 61 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 41. West wind 3 to 6 mph.

    Low: 41 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 64.

    High: 64 °F

    Sunny

  • Monday Night

    Monday Night: A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 38.

    Low: 38 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 56.

    High: 56 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 42.

    Low: 42 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Showers and possibly a thunderstorm. Low around 53. Southwest wind 10 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 100%.
Saturday
Showers, mainly before 9am. High near 64. West wind 10 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 80%.
Saturday Night
Partly cloudy, with a low around 40. West wind 7 to 13 mph, with gusts as high as 22 mph.
Sunday
Sunny, with a high near 61. Northwest wind 7 to 10 mph, with gusts as high as 20 mph.
Sunday Night
Clear, with a low around 41. West wind 3 to 6 mph.
Monday
Sunny, with a high near 64.
Monday Night
A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 38.
Tuesday
Mostly cloudy, with a high near 56.
Tuesday Night
Mostly cloudy, with a low around 42.
Wednesday
Partly sunny, with a high near 74.
Wednesday Night
Mostly clear, with a low around 55.
Thursday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 77.
Thursday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 56.
Friday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 78.
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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:
10:26 pm CDT Apr 3, 2026
Forecast Valid:
1am CDT Apr 4, 2026-6pm CDT Apr 10, 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