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

86°F

30°C

Humidity 32%
Wind Speed S 8 mph
Barometer 30.04 in (1016.7 mb)
Dewpoint 53°F (12°C)
Visibility 10.00 mi
Heat Index84°F (29°C)
Last update 9 Oct 1:54 pm CDT
Extended Forecast for

Cottleville MO

  • This Afternoon

    This Afternoon: Sunny, with a high near 89. Calm wind becoming south 5 to 8 mph.

    High: 89 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 57. Southeast wind 3 to 6 mph.

    Low: 57 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly cloudy, with a high near 81. Calm wind becoming east around 6 mph in the afternoon.

    High: 81 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 58. Southeast wind around 5 mph becoming calm in the evening.

    Low: 58 °F

    Mostly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 85. Calm wind.

    High: 85 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 64.

    Low: 64 °F

    Mostly Clear

  • Columbus Day

    Columbus Day: Sunny, with a high near 93.

    High: 93 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 70.

    Low: 70 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 89.

    High: 89 °F

    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 89. Calm wind becoming south 5 to 8 mph.
Tonight
Mostly clear, with a low around 57. Southeast wind 3 to 6 mph.
Saturday
Mostly cloudy, with a high near 81. Calm wind becoming east around 6 mph in the afternoon.
Saturday Night
Mostly cloudy, with a low around 58. Southeast wind around 5 mph becoming calm in the evening.
Sunday
Sunny, with a high near 85. Calm wind.
Sunday Night
Mostly clear, with a low around 64.
Columbus Day
Sunny, with a high near 93.
Monday Night
Mostly clear, with a low around 70.
Tuesday
Sunny, with a high near 89.
Tuesday Night
A 40 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 64.
Wednesday
Showers and thunderstorms likely. Partly sunny, with a high near 79. Chance of precipitation is 60%.
Wednesday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 62.
Thursday
Showers and thunderstorms likely. Partly sunny, with a high near 78. Chance of precipitation is 60%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Cottleville MO
 38.74°N 90.65°W (Elev. 499 ft)
Last Update:
2:31 pm CDT Oct 9, 2026
Forecast Valid:
2pm CDT Oct 9, 2026-6pm CDT Oct 15, 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