Current conditions at

St. Louis, Spirit Of St. Louis Airport (KSUS)

Lat: 38.66°NLon: 90.66°WElev: 463ft.

Partly Cloudy

72°F

22°C

Humidity 59%
Wind Speed W 9 mph
Barometer 29.83 in (1009.5 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 16 Jun 10:54 am CDT
Extended Forecast for

2 Miles WNW Byrnes Mill MO

  • Today

    Today: A 40 percent chance of showers and thunderstorms, mainly before 3pm.  Mostly cloudy, then gradually becoming sunny, with a high near 81. West wind around 9 mph, with gusts as high as 20 mph.

    High: 81 °F

    Chance
    T-storms

  • Tonight

    Tonight: Mostly clear, with a low around 57. West wind around 6 mph becoming calm  in the evening.

    Low: 57 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 91. Light south wind becoming southwest 12 to 17 mph in the morning. Winds could gust as high as 37 mph.

    High: 91 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Showers and thunderstorms before 4am, then a slight chance of showers.  Low around 68. Southwest wind 5 to 13 mph, with gusts as high as 30 mph.  Chance of precipitation is 80%.

    Low: 68 °F

    T-storms

  • Thursday

    Thursday: A chance of showers, with thunderstorms also possible after 4pm.  Partly sunny, with a high near 81. Northwest wind 3 to 5 mph.  Chance of precipitation is 40%.

    High: 81 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: A slight chance of showers and thunderstorms before 7pm, then a slight chance of showers between 7pm and 1am.  Partly cloudy, with a low around 58. Chance of precipitation is 20%.

    Low: 58 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Juneteenth

    Juneteenth: Sunny, with a high near 83.

    High: 83 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 60.

    Low: 60 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 86.

    High: 86 °F

    Mostly Sunny

Detailed Forecast

Today
A 40 percent chance of showers and thunderstorms, mainly before 3pm. Mostly cloudy, then gradually becoming sunny, with a high near 81. West wind around 9 mph, with gusts as high as 20 mph.
Tonight
Mostly clear, with a low around 57. West wind around 6 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 91. Light south wind becoming southwest 12 to 17 mph in the morning. Winds could gust as high as 37 mph.
Wednesday Night
Showers and thunderstorms before 4am, then a slight chance of showers. Low around 68. Southwest wind 5 to 13 mph, with gusts as high as 30 mph. Chance of precipitation is 80%.
Thursday
A chance of showers, with thunderstorms also possible after 4pm. Partly sunny, with a high near 81. Northwest wind 3 to 5 mph. Chance of precipitation is 40%.
Thursday Night
A slight chance of showers and thunderstorms before 7pm, then a slight chance of showers between 7pm and 1am. Partly cloudy, with a low around 58. Chance of precipitation is 20%.
Juneteenth
Sunny, with a high near 83.
Friday Night
Mostly clear, with a low around 60.
Saturday
Mostly sunny, with a high near 86.
Saturday Night
A chance of showers, with thunderstorms also possible after 1am. Mostly cloudy, with a low around 66. Chance of precipitation is 40%.
Sunday
Showers and thunderstorms likely. Mostly cloudy, with a high near 86. Chance of precipitation is 60%.
Sunday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 68. Chance of precipitation is 70%.
Monday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 85.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WNW Byrnes Mill MO
 38.45°N 90.61°W (Elev. 548 ft)
5:16 am CDT Jun 16, 2026
11am CDT Jun 16, 2026-6pm CDT Jun 22, 2026
 
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Additional Resources

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