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.

Partly Cloudy

70°F

21°C

Humidity 76%
Wind Speed S 7 mph
Barometer 29.98 in (1014.4 mb)
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Last update 3 Apr 8:54 am CDT
Extended Forecast for

Chesterfield MO

  • Today

    Today: A 30 percent chance of showers and thunderstorms, mainly between 1pm and 2pm. Partly sunny, with a high near 82. Southeast wind 5 to 14 mph becoming south in the morning. Winds could gust as high as 25 mph.

    High: 82 °F

    Chance
    T-storms

  • Tonight

    Tonight: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after midnight. Low around 57. South wind around 11 mph, with gusts as high as 24 mph. Chance of precipitation is 100%.

    Low: 57 °F

    Chance
    T-storms then
    Showers

  • Saturday

    Saturday: Showers likely and possibly a thunderstorm before 10am, then a chance of showers between 10am and 1pm. Mostly cloudy, with a high near 60. West wind 9 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%.

    High: 60 °F

    Showers
    Likely then
    Chance
    Showers

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 40. Northwest wind 6 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 6 to 10 mph, with gusts as high as 20 mph.

    High: 61 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 40.

    Low: 40 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 62.

    High: 62 °F

    Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 36.

    Low: 36 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 56.

    High: 56 °F

    Mostly Sunny

Detailed Forecast

Today
A 30 percent chance of showers and thunderstorms, mainly between 1pm and 2pm. Partly sunny, with a high near 82. Southeast wind 5 to 14 mph becoming south in the morning. Winds could gust as high as 25 mph.
Tonight
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after midnight. Low around 57. South wind around 11 mph, with gusts as high as 24 mph. Chance of precipitation is 100%.
Saturday
Showers likely and possibly a thunderstorm before 10am, then a chance of showers between 10am and 1pm. Mostly cloudy, with a high near 60. West wind 9 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%.
Saturday Night
Partly cloudy, with a low around 40. Northwest wind 6 to 13 mph, with gusts as high as 22 mph.
Sunday
Sunny, with a high near 61. Northwest wind 6 to 10 mph, with gusts as high as 20 mph.
Sunday Night
Clear, with a low around 40.
Monday
Sunny, with a high near 62.
Monday Night
Mostly cloudy, with a low around 36.
Tuesday
Mostly sunny, with a high near 56.
Tuesday Night
Partly cloudy, with a low around 41.
Wednesday
Partly sunny, with a high near 73.
Wednesday Night
Partly cloudy, with a low around 54.
Thursday
A 20 percent chance of showers. Mostly sunny, with a high near 77.
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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:
8:31 am CDT Apr 3, 2026
Forecast Valid:
9am CDT Apr 3, 2026-6pm CDT Apr 9, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation