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.

Fair

43°F

6°C

Humidity 63%
Wind Speed Calm
Barometer 30.26 in (1024.9 mb)
Dewpoint 31°F (-1°C)
Visibility 10.00 mi
Last update 29 Mar 7:54 am CDT
Extended Forecast for

Chesterfield MO

  • Today

    Today: Partly sunny, with a high near 72. South wind 6 to 13 mph, with gusts as high as 21 mph.

    High: 72 °F

    Partly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 58. South wind 8 to 10 mph, with gusts as high as 21 mph.

    Low: 58 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 85. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 85 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 67. South wind around 14 mph, with gusts as high as 25 mph.

    Low: 67 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A chance of rain, with thunderstorms also possible after 10am. Partly sunny, with a high near 86. Southwest wind 14 to 17 mph, with gusts as high as 30 mph. Chance of precipitation is 40%.

    High: 86 °F

    Chance Rain
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Rain and possibly a thunderstorm. Low around 50. Chance of precipitation is 90%.

    Low: 50 °F

    Rain Likely
    then Rain

  • Wednesday

    Wednesday: Rain likely and possibly a thunderstorm before 1pm, then a chance of rain and thunderstorms after 1pm. Mostly cloudy, with a high near 59. Chance of precipitation is 70%.

    High: 59 °F

    Rain Likely

  • Wednesday Night

    Wednesday Night: Rain likely and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Cloudy, with a low around 47. Chance of precipitation is 70%.

    Low: 47 °F

    Heavy Rain

  • Thursday

    Thursday: Rain likely and possibly a thunderstorm. Cloudy, with a high near 63. Chance of precipitation is 70%.

    High: 63 °F

    Rain Likely

Detailed Forecast

Today
Partly sunny, with a high near 72. South wind 6 to 13 mph, with gusts as high as 21 mph.
Tonight
Partly cloudy, with a low around 58. South wind 8 to 10 mph, with gusts as high as 21 mph.
Monday
Sunny, with a high near 85. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Monday Night
Partly cloudy, with a low around 67. South wind around 14 mph, with gusts as high as 25 mph.
Tuesday
A chance of rain, with thunderstorms also possible after 10am. Partly sunny, with a high near 86. Southwest wind 14 to 17 mph, with gusts as high as 30 mph. Chance of precipitation is 40%.
Tuesday Night
Rain and possibly a thunderstorm. Low around 50. Chance of precipitation is 90%.
Wednesday
Rain likely and possibly a thunderstorm before 1pm, then a chance of rain and thunderstorms after 1pm. Mostly cloudy, with a high near 59. Chance of precipitation is 70%.
Wednesday Night
Rain likely and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Cloudy, with a low around 47. Chance of precipitation is 70%.
Thursday
Rain likely and possibly a thunderstorm. Cloudy, with a high near 63. Chance of precipitation is 70%.
Thursday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 47.
Friday
A 40 percent chance of rain. Partly sunny, with a high near 77.
Friday Night
Rain and thunderstorms likely. Mostly cloudy, with a low around 57. Chance of precipitation is 60%.
Saturday
Rain likely and possibly a thunderstorm. Mostly cloudy, with a high near 71. Chance of precipitation is 60%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Chesterfield MO
 38.65°N 90.6°W (Elev. 466 ft)
Last Update:
1:26 am CDT Mar 29, 2026
Forecast Valid:
8am CDT Mar 29, 2026-6pm CDT Apr 4, 2026
 
Forecast Discussion
 
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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