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

51°F

11°C

Humidity 89%
Wind Speed Calm
Barometer 30.14 in (1020.5 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 9 Sep 10:54 pm CDT
Extended Forecast for

Lake St. Louis MO

  • Tonight

    Tonight: Mostly clear, with a low around 50. Light south wind.

    Low: 50 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 86. Calm wind becoming south 5 to 7 mph in the morning.

    High: 86 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 57. Light southeast wind.

    Low: 57 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 90. Calm wind becoming southeast around 5 mph in the afternoon.

    High: 90 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 63. Light east wind.

    Low: 63 °F

    Partly Cloudy

  • Thursday

    Thursday: A 20 percent chance of showers after 1pm. Mostly cloudy, with a high near 84.

    High: 84 °F

    Partly Sunny
    then Slight
    Chance
    Showers

  • Thursday Night

    Thursday Night: Showers likely, mainly after 1am. Mostly cloudy, with a low around 63. Chance of precipitation is 60%.

    Low: 63 °F

    Showers
    Likely

  • Friday

    Friday: Showers likely, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 71. Chance of precipitation is 60%.

    High: 71 °F

    Showers
    Likely

  • Friday Night

    Friday Night: A chance of showers and thunderstorms before 1am, then a slight chance of showers. Mostly cloudy, with a low around 63. Chance of precipitation is 30%.

    Low: 63 °F

    Chance
    Showers

Detailed Forecast

Tonight
Mostly clear, with a low around 50. Light south wind.
Tuesday
Sunny, with a high near 86. Calm wind becoming south 5 to 7 mph in the morning.
Tuesday Night
Mostly clear, with a low around 57. Light southeast wind.
Wednesday
Sunny, with a high near 90. Calm wind becoming southeast around 5 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 63. Light east wind.
Thursday
A 20 percent chance of showers after 1pm. Mostly cloudy, with a high near 84.
Thursday Night
Showers likely, mainly after 1am. Mostly cloudy, with a low around 63. Chance of precipitation is 60%.
Friday
Showers likely, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 71. Chance of precipitation is 60%.
Friday Night
A chance of showers and thunderstorms before 1am, then a slight chance of showers. Mostly cloudy, with a low around 63. Chance of precipitation is 30%.
Saturday
A 20 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 79.
Saturday Night
Partly cloudy, with a low around 63.
Sunday
Mostly sunny, with a high near 82.
Sunday Night
Partly cloudy, with a low around 63.
Monday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 83.
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ABOUT THIS FORECAST

 
Point Forecast:
Lake St. Louis MO
 38.79°N 90.79°W (Elev. 512 ft)
Last Update:
9:23 pm CDT Sep 9, 2024
Forecast Valid:
11pm CDT Sep 9, 2024-6pm CDT Sep 16, 2024
 
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