Hazardous Weather Conditions

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 96%
Wind Speed Calm
Barometer 30.19 in (1021.5 mb)
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 2 Oct 11:54 pm CDT
Extended Forecast for

Byrnes Mill MO

  • Overnight

    Overnight: Mostly clear, with a low around 63. Light south wind.

    Low: 63 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 88. Calm wind becoming south around 5 mph in the afternoon.

    High: 88 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 62. Light south wind.

    Low: 62 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 87. Calm wind becoming south 5 to 8 mph in the morning.

    High: 87 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 58. South wind 3 to 6 mph.

    Low: 58 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 87.

    High: 87 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 61.

    Low: 61 °F

    Clear

  • Monday

    Monday: Mostly sunny, with a high near 87.

    High: 87 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A 20 percent chance of showers after 1am.  Partly cloudy, with a low around 63.

    Low: 63 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

Detailed Forecast

Overnight
Mostly clear, with a low around 63. Light south wind.
Friday
Sunny, with a high near 88. Calm wind becoming south around 5 mph in the afternoon.
Friday Night
Mostly clear, with a low around 62. Light south wind.
Saturday
Sunny, with a high near 87. Calm wind becoming south 5 to 8 mph in the morning.
Saturday Night
Clear, with a low around 58. South wind 3 to 6 mph.
Sunday
Sunny, with a high near 87.
Sunday Night
Clear, with a low around 61.
Monday
Mostly sunny, with a high near 87.
Monday Night
A 20 percent chance of showers after 1am. Partly cloudy, with a low around 63.
Tuesday
A chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 85. Chance of precipitation is 30%.
Tuesday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 55.
Wednesday
Mostly sunny, with a high near 72.
Wednesday Night
Mostly clear, with a low around 47.
Thursday
Sunny, with a high near 73.
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ABOUT THIS FORECAST

 
Point Forecast:
Byrnes Mill MO
 38.43°N 90.55°W (Elev. 597 ft)
10:16 pm CDT Oct 2, 2025
12am CDT Oct 3, 2025-6pm CDT Oct 9, 2025
 
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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