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 54%
Wind Speed W 10 G 21 mph
Barometer 30.16 in (1022.6 mb)
Dewpoint 7°F (-14°C)
Visibility 10.00 mi
Wind Chill10°F (-12°C)
Last update 17 Mar 1:54 am CDT
Extended Forecast for

2 Miles NW O'Fallon MO

  • Overnight

    Overnight: Mostly clear, with a low around 13. Northwest wind 7 to 11 mph, with gusts as high as 22 mph.

    Low: 13 °F

    Mostly Clear

  • Tuesday

    Tuesday: Increasing clouds, with a high near 35. Northwest wind 5 to 9 mph becoming light and variable.

    High: 35 °F

    Increasing
    Clouds

  • Tuesday Night

    Tuesday Night: A chance of snow before 3am, then a chance of rain.  Cloudy, with a low around 32. Southeast wind 6 to 10 mph, with gusts as high as 21 mph.  Chance of precipitation is 40%.

    Low: 32 °F

    Chance Snow
    then Chance
    Rain/Snow

  • Wednesday

    Wednesday: Partly sunny, then gradually becoming sunny, with a high near 65. South wind 7 to 10 mph becoming west in the afternoon.

    High: 65 °F

    Becoming
    Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 43. Light and variable wind.

    Low: 43 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 74.

    High: 74 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 47.

    Low: 47 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 76.

    High: 76 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 50.

    Low: 50 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 13. Northwest wind 7 to 11 mph, with gusts as high as 22 mph.
Tuesday
Increasing clouds, with a high near 35. Northwest wind 5 to 9 mph becoming light and variable.
Tuesday Night
A chance of snow before 3am, then a chance of rain. Cloudy, with a low around 32. Southeast wind 6 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 40%.
Wednesday
Partly sunny, then gradually becoming sunny, with a high near 65. South wind 7 to 10 mph becoming west in the afternoon.
Wednesday Night
Mostly cloudy, with a low around 43. Light and variable wind.
Thursday
Mostly sunny, with a high near 74.
Thursday Night
Mostly clear, with a low around 47.
Friday
Sunny, with a high near 76.
Friday Night
Partly cloudy, with a low around 50.
Saturday
Sunny, with a high near 78.
Saturday Night
Mostly clear, with a low around 53.
Sunday
Sunny, with a high near 75.
Sunday Night
Partly cloudy, with a low around 41.
Monday
Partly sunny, with a high near 56.
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)
1:41 am CDT Mar 17, 2026
2am CDT Mar 17, 2026-6pm CDT Mar 23, 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