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

64°F

18°C

Humidity 84%
Wind Speed Calm
Barometer 30.10 in (1018.9 mb)
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 15 Oct 9:54 pm CDT
Extended Forecast for

3 Miles SSE Saint Peters MO

  • Tonight

    Tonight: Mostly clear, with a low around 61. Light east wind.

    Low: 61 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 82. Light east wind becoming southeast 5 to 9 mph in the morning.

    High: 82 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 60. Southeast wind 7 to 9 mph, with gusts as high as 21 mph.

    Low: 60 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 82. South wind 7 to 10 mph.

    High: 82 °F

    Partly Sunny

  • Friday Night

    Friday Night: A slight chance of showers between 1am and 4am, then a slight chance of showers and thunderstorms after 4am. Partly cloudy, with a low around 65. South wind 7 to 9 mph. Chance of precipitation is 20%.

    Low: 65 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Saturday

    Saturday: Showers and possibly a thunderstorm. High near 76. Chance of precipitation is 90%.

    High: 76 °F

    Showers

  • Saturday Night

    Saturday Night: Showers likely, mainly before 1am. Mostly cloudy, with a low around 49. Chance of precipitation is 70%.

    Low: 49 °F

    Showers
    Likely

  • Sunday

    Sunday: A 20 percent chance of showers before 1pm. Sunny, with a high near 64.

    High: 64 °F

    Slight Chance
    Showers

  • Sunday Night

    Sunday Night: Clear, with a low around 45.

    Low: 45 °F

    Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 61. Light east wind.
Thursday
Sunny, with a high near 82. Light east wind becoming southeast 5 to 9 mph in the morning.
Thursday Night
Partly cloudy, with a low around 60. Southeast wind 7 to 9 mph, with gusts as high as 21 mph.
Friday
Partly sunny, with a high near 82. South wind 7 to 10 mph.
Friday Night
A slight chance of showers between 1am and 4am, then a slight chance of showers and thunderstorms after 4am. Partly cloudy, with a low around 65. South wind 7 to 9 mph. Chance of precipitation is 20%.
Saturday
Showers and possibly a thunderstorm. High near 76. Chance of precipitation is 90%.
Saturday Night
Showers likely, mainly before 1am. Mostly cloudy, with a low around 49. Chance of precipitation is 70%.
Sunday
A 20 percent chance of showers before 1pm. Sunny, with a high near 64.
Sunday Night
Clear, with a low around 45.
Monday
Sunny, with a high near 73.
Monday Night
Mostly clear, with a low around 52.
Tuesday
Sunny, with a high near 73.
Tuesday Night
A 20 percent chance of showers. Mostly clear, with a low around 48.
Wednesday
Sunny, with a high near 68.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSE Saint Peters MO
 38.74°N 90.57°W (Elev. 515 ft)
Last Update:
7:21 pm CDT Oct 15, 2025
Forecast Valid:
10pm CDT Oct 15, 2025-6pm CDT Oct 22, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation