Current conditions at

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

Lat: 38.66°NLon: 90.66°WElev: 463ft.

Overcast

41°F

5°C

Humidity 67%
Wind Speed N 12 mph
Barometer 30.27 in (1025.1 mb)
Dewpoint 31°F (-1°C)
Visibility 10.00 mi
Wind Chill34°F (1°C)
Last update 23 Mar 4:54 am CDT
Extended Forecast for

2 Miles NW O'Fallon MO

  • Today

    Today: Mostly sunny, with a high near 54. North wind 8 to 10 mph, with gusts as high as 20 mph.

    High: 54 °F

    Mostly Sunny

  • Tonight

    Tonight: A chance of sprinkles after 1am.  Mostly cloudy, with a low around 38. East wind around 7 mph.

    Low: 38 °F

    Chance
    Sprinkles

  • Tuesday

    Tuesday: Mostly sunny, with a high near 62. Southeast wind 6 to 9 mph.

    High: 62 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 42. Southeast wind 3 to 6 mph.

    Low: 42 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 76. South wind 3 to 8 mph.

    High: 76 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 61.

    Low: 61 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 89.

    High: 89 °F

    Sunny

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm.  Mostly cloudy, with a low around 42. Chance of precipitation is 70%.

    Low: 42 °F

    Showers
    Likely

  • Friday

    Friday: A 40 percent chance of showers before 1pm.  Mostly cloudy, with a high near 52.

    High: 52 °F

    Chance
    Showers

Detailed Forecast

Today
Mostly sunny, with a high near 54. North wind 8 to 10 mph, with gusts as high as 20 mph.
Tonight
A chance of sprinkles after 1am. Mostly cloudy, with a low around 38. East wind around 7 mph.
Tuesday
Mostly sunny, with a high near 62. Southeast wind 6 to 9 mph.
Tuesday Night
Partly cloudy, with a low around 42. Southeast wind 3 to 6 mph.
Wednesday
Mostly sunny, with a high near 76. South wind 3 to 8 mph.
Wednesday Night
Mostly clear, with a low around 61.
Thursday
Sunny, with a high near 89.
Thursday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 42. Chance of precipitation is 70%.
Friday
A 40 percent chance of showers before 1pm. Mostly cloudy, with a high near 52.
Friday Night
Partly cloudy, with a low around 31.
Saturday
Sunny, with a high near 58.
Saturday Night
Partly cloudy, with a low around 37.
Sunday
Mostly sunny, with a high near 65.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NW O'Fallon MO
 38.81°N 90.74°W (Elev. 499 ft)
3:41 am CDT Mar 23, 2026
5am CDT Mar 23, 2026-6pm CDT Mar 29, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database