Current conditions at

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

Lat: 38.66°NLon: 90.66°WElev: 463ft.

Overcast

35°F

2°C

Humidity 37%
Wind Speed SE 7 mph
Barometer 30.10 in (1020.2 mb)
Dewpoint 11°F (-12°C)
Visibility 10.00 mi
Wind Chill29°F (-2°C)
Last update 17 Mar 11:54 pm CDT
Extended Forecast for

2 Miles NW O'Fallon MO

  • Overnight

    Overnight: Cloudy, with a low around 32. South wind around 10 mph, with gusts as high as 21 mph.

    Low: 32 °F

    Cloudy

  • Wednesday

    Wednesday: Mostly cloudy through mid morning, then gradual clearing, with a high near 63. South wind 7 to 9 mph becoming west in the afternoon. Winds could gust as high as 20 mph.

    High: 63 °F

    Becoming
    Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 46. Light and variable wind becoming south around 5 mph after midnight.

    Low: 46 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy, then gradually becoming sunny, with a high near 73. Southwest wind 5 to 7 mph becoming northwest in the afternoon.

    High: 73 °F

    Decreasing
    Clouds

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 43. North wind around 5 mph becoming calm  in the evening.

    Low: 43 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 74.

    High: 74 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 51.

    Low: 51 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 81.

    High: 81 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 57.

    Low: 57 °F

    Mostly Clear

Detailed Forecast

Overnight
Cloudy, with a low around 32. South wind around 10 mph, with gusts as high as 21 mph.
Wednesday
Mostly cloudy through mid morning, then gradual clearing, with a high near 63. South wind 7 to 9 mph becoming west in the afternoon. Winds could gust as high as 20 mph.
Wednesday Night
Mostly cloudy, with a low around 46. Light and variable wind becoming south around 5 mph after midnight.
Thursday
Mostly cloudy, then gradually becoming sunny, with a high near 73. Southwest wind 5 to 7 mph becoming northwest in the afternoon.
Thursday Night
Mostly clear, with a low around 43. North wind around 5 mph becoming calm in the evening.
Friday
Sunny, with a high near 74.
Friday Night
Partly cloudy, with a low around 51.
Saturday
Sunny, with a high near 81.
Saturday Night
Mostly clear, with a low around 57.
Sunday
Mostly sunny, with a high near 78.
Sunday Night
Partly cloudy, with a low around 40.
Monday
Mostly sunny, with a high near 55.
Monday Night
Mostly cloudy, with a low around 36.
Tuesday
Mostly sunny, with a high near 58.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NW O'Fallon MO
 38.81°N 90.74°W (Elev. 499 ft)
10:21 pm CDT Mar 17, 2026
12am CDT Mar 18, 2026-6pm CDT Mar 24, 2026
 
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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