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.

Fair

38°F

3°C

Humidity 86%
Wind Speed SW 3 mph
Barometer 30.07 in (1018.6 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Last update 8 Mar 12:54 am CDT
Extended Forecast for

Cottleville MO

  • Overnight

    Overnight: Mostly clear, with a low around 37. West wind 3 to 5 mph.

    Low: 37 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 67. Southwest wind 5 to 10 mph.

    High: 67 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 46. Southwest wind 6 to 8 mph.

    Low: 46 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 78. Southwest wind 7 to 11 mph, with gusts as high as 23 mph.

    High: 78 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 60. South wind 7 to 9 mph.

    Low: 60 °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 48. Chance of precipitation is 90%.

    Low: 48 °F

    Showers

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm before noon, then a chance of showers. High near 65. Chance of precipitation is 90%.

    High: 65 °F

    Showers then
    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers before midnight. Mostly clear, with a low around 32.

    Low: 32 °F

    Slight Chance
    Showers then
    Mostly Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 37. West wind 3 to 5 mph.
Sunday
Sunny, with a high near 67. Southwest wind 5 to 10 mph.
Sunday Night
Clear, with a low around 46. Southwest wind 6 to 8 mph.
Monday
Sunny, with a high near 78. Southwest wind 7 to 11 mph, with gusts as high as 23 mph.
Monday Night
Mostly clear, with a low around 60. 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 48. Chance of precipitation is 90%.
Wednesday
Showers and possibly a thunderstorm before noon, then a chance of showers. High near 65. Chance of precipitation is 90%.
Wednesday Night
A 20 percent chance of showers before midnight. Mostly clear, with a low around 32.
Thursday
Sunny, with a high near 53.
Thursday Night
Mostly cloudy, with a low around 43.
Friday
Partly sunny, with a high near 67.
Friday Night
Mostly cloudy, with a low around 38.
Saturday
Mostly cloudy, with a high near 56.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Cottleville MO
 38.76°N 90.65°W (Elev. 499 ft)
Last Update:
9:21 pm CST Mar 7, 2026
Forecast Valid:
12am CST Mar 8, 2026-6pm CDT Mar 14, 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