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.

Overcast

43°F

6°C

Humidity 80%
Wind Speed W 6 mph
Barometer 30.08 in (1018.6 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Wind Chill39°F (4°C)
Last update 7 Mar 10:54 pm CDT
Extended Forecast for

3 Miles E Chesterfield MO

  • Tonight

    Tonight: Patchy fog after 4am. Otherwise, mostly cloudy, then gradually becoming mostly clear, with a low around 36. West wind around 6 mph becoming light and variable after midnight.

    Low: 36 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Sunday

    Sunday: Patchy fog before 7am. Otherwise, sunny, with a high near 67. Light southwest wind increasing to 5 to 9 mph in the morning.

    High: 67 °F

    Patchy Fog
    then Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 48. Southwest wind around 7 mph.

    Low: 48 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 78. South wind 6 to 11 mph, with gusts as high as 22 mph.

    High: 78 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 61. South wind 7 to 9 mph.

    Low: 61 °F

    Mostly Clear

  • Tuesday

    Tuesday: A slight chance of showers and thunderstorms before 9am, then a slight chance of showers between 9am and noon, then showers likely and possibly a thunderstorm after noon. Mostly sunny, with a high near 82. Chance of precipitation is 60%.

    High: 82 °F

    Slight Chance
    T-storms then
    Showers
    Likely

  • Tuesday Night

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

    Low: 50 °F

    Showers

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm before noon, then showers likely. High near 66. Chance of precipitation is 100%.

    High: 66 °F

    Showers then
    Showers
    Likely

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers before midnight. Mostly clear, with a low around 33.

    Low: 33 °F

    Slight Chance
    Showers then
    Mostly Clear

Detailed Forecast

Tonight
Patchy fog after 4am. Otherwise, mostly cloudy, then gradually becoming mostly clear, with a low around 36. West wind around 6 mph becoming light and variable after midnight.
Sunday
Patchy fog before 7am. Otherwise, sunny, with a high near 67. Light southwest wind increasing to 5 to 9 mph in the morning.
Sunday Night
Clear, with a low around 48. Southwest wind around 7 mph.
Monday
Sunny, with a high near 78. South wind 6 to 11 mph, with gusts as high as 22 mph.
Monday Night
Mostly clear, with a low around 61. South wind 7 to 9 mph.
Tuesday
A slight chance of showers and thunderstorms before 9am, then a slight chance of showers between 9am and noon, then showers likely and possibly a thunderstorm after noon. Mostly sunny, with a high near 82. Chance of precipitation is 60%.
Tuesday Night
Showers and possibly a thunderstorm. Low around 50. Chance of precipitation is 90%.
Wednesday
Showers and possibly a thunderstorm before noon, then showers likely. High near 66. Chance of precipitation is 100%.
Wednesday Night
A 20 percent chance of showers before midnight. Mostly clear, with a low around 33.
Thursday
Sunny, with a high near 54.
Thursday Night
Mostly cloudy, with a low around 43.
Friday
Partly sunny, with a high near 68.
Friday Night
Mostly cloudy, with a low around 39.
Saturday
Mostly cloudy, with a high near 57.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles E Chesterfield MO
 38.65°N 90.51°W (Elev. 597 ft)
Last Update:
9:21 pm CST Mar 7, 2026
Forecast Valid:
10pm CST Mar 7, 2026-6pm CDT Mar 14, 2026
 
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Additional Resources

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Chance of Precipitation