Current conditions at

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

Lat: 38.66°NLon: 90.66°WElev: 463ft.

Fair

21°F

-6°C

Humidity 62%
Wind Speed S 3 mph
Barometer 30.30 in (1027.1 mb)
Dewpoint 10°F (-12°C)
Visibility 10.00 mi
Last update 23 Feb 11:54 pm CST
Extended Forecast for

2 Miles NW O'Fallon MO

  • Overnight

    Overnight: Partly cloudy, with a low around 21. Calm wind becoming south 5 to 8 mph.

    Low: 21 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 59. Breezy, with a south wind 9 to 14 mph becoming southwest 15 to 20 mph in the afternoon. Winds could gust as high as 36 mph.

    High: 59 °F

    Mostly Cloudy
    then Mostly
    Cloudy and
    Breezy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 34. West wind 5 to 10 mph becoming light and variable  after midnight. Winds could gust as high as 23 mph.

    Low: 34 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 52. Calm wind becoming east around 5 mph in the afternoon.

    High: 52 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Rain likely, mainly after midnight.  Mostly cloudy, with a low around 36. East wind 5 to 7 mph.  Chance of precipitation is 60%.

    Low: 36 °F

    Rain Likely

  • Thursday

    Thursday: A 20 percent chance of rain before noon.  Partly sunny, with a high near 51.

    High: 51 °F

    Slight Chance
    Rain then
    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 33.

    Low: 33 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 65.

    High: 65 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 41.

    Low: 41 °F

    Mostly Clear

Detailed Forecast

Overnight
Partly cloudy, with a low around 21. Calm wind becoming south 5 to 8 mph.
Tuesday
Mostly cloudy, with a high near 59. Breezy, with a south wind 9 to 14 mph becoming southwest 15 to 20 mph in the afternoon. Winds could gust as high as 36 mph.
Tuesday Night
Mostly cloudy, with a low around 34. West wind 5 to 10 mph becoming light and variable after midnight. Winds could gust as high as 23 mph.
Wednesday
Partly sunny, with a high near 52. Calm wind becoming east around 5 mph in the afternoon.
Wednesday Night
Rain likely, mainly after midnight. Mostly cloudy, with a low around 36. East wind 5 to 7 mph. Chance of precipitation is 60%.
Thursday
A 20 percent chance of rain before noon. Partly sunny, with a high near 51.
Thursday Night
Mostly clear, with a low around 33.
Friday
Sunny, with a high near 65.
Friday Night
Mostly clear, with a low around 41.
Saturday
Sunny, with a high near 66.
Saturday Night
Mostly cloudy, with a low around 32.
Sunday
A chance of rain and snow. Partly sunny, with a high near 47. Chance of precipitation is 40%.
Sunday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 31.
Monday
A 30 percent chance of rain. Mostly cloudy, with a high near 46.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NW O'Fallon MO
 38.81°N 90.74°W (Elev. 499 ft)
11:56 pm CST Feb 23, 2026
12am CST Feb 24, 2026-6pm CST Mar 2, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database