Current conditions at

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

Lat: 38.66°NLon: 90.66°WElev: 463ft.

Fog/Mist

72°F

22°C

Humidity 97%
Wind Speed Calm
Barometer 29.92 in (1012.1 mb)
Dewpoint 71°F (22°C)
Visibility 6.00 mi
Last update 9 Jul 3:54 am CDT
Extended Forecast for

2 Miles NNW O'Fallon MO

  • Today

    Today: A 40 percent chance of showers and thunderstorms, mainly between 1pm and 4pm.  Partly sunny, with a high near 92. Heat index values as high as 101. Calm wind becoming west around 6 mph in the morning.

    High: 92 °F

    Mostly Sunny
    then Chance
    T-storms

  • Tonight

    Tonight: A 40 percent chance of showers and thunderstorms, mainly between 7pm and 3am.  Mostly cloudy, with a low around 72. West wind around 5 mph becoming calm.

    Low: 72 °F

    Chance
    T-storms

  • Friday

    Friday: A 40 percent chance of showers and thunderstorms, mainly after 4pm.  Partly sunny, with a high near 88. Northwest wind 3 to 6 mph.

    High: 88 °F

    Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 7pm.  Mostly cloudy, with a low around 71. North wind around 5 mph becoming calm  in the evening.  Chance of precipitation is 60%.

    Low: 71 °F

    Showers
    Likely

  • Saturday

    Saturday: A chance of showers and thunderstorms before 7am, then a chance of showers between 7am and 4pm, then a chance of showers and thunderstorms after 4pm.  Partly sunny, with a high near 86. Calm wind becoming north around 6 mph in the afternoon.  Chance of precipitation is 40%.

    High: 86 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms.  Partly cloudy, with a low around 68. Chance of precipitation is 30%.

    Low: 68 °F

    Chance
    Showers

  • Sunday

    Sunday: A 20 percent chance of showers after 1pm.  Sunny, with a high near 87.

    High: 87 °F

    Sunny then
    Slight Chance
    Showers

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 69.

    Low: 69 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 89.

    High: 89 °F

    Sunny

Detailed Forecast

Today
A 40 percent chance of showers and thunderstorms, mainly between 1pm and 4pm. Partly sunny, with a high near 92. Heat index values as high as 101. Calm wind becoming west around 6 mph in the morning.
Tonight
A 40 percent chance of showers and thunderstorms, mainly between 7pm and 3am. Mostly cloudy, with a low around 72. West wind around 5 mph becoming calm.
Friday
A 40 percent chance of showers and thunderstorms, mainly after 4pm. Partly sunny, with a high near 88. Northwest wind 3 to 6 mph.
Friday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 7pm. Mostly cloudy, with a low around 71. North wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%.
Saturday
A chance of showers and thunderstorms before 7am, then a chance of showers between 7am and 4pm, then a chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 86. Calm wind becoming north around 6 mph in the afternoon. Chance of precipitation is 40%.
Saturday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 68. Chance of precipitation is 30%.
Sunday
A 20 percent chance of showers after 1pm. Sunny, with a high near 87.
Sunday Night
Mostly clear, with a low around 69.
Monday
Sunny, with a high near 89.
Monday Night
Mostly clear, with a low around 70.
Tuesday
Sunny, with a high near 91.
Tuesday Night
Clear, with a low around 72.
Wednesday
Sunny, with a high near 93.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NNW O'Fallon MO
 38.81°N 90.74°W (Elev. 499 ft)
3:41 am CDT Jul 9, 2026
4am CDT Jul 9, 2026-6pm CDT Jul 15, 2026
 
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Additional Resources

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