National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

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

Lat: 38.66°NLon: 90.66°WElev: 463ft.

Fair

45°F

7°C

Humidity 49%
Wind Speed S 6 mph
Barometer 30.33 in (1027.6 mb)
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Wind Chill42°F (6°C)
Last update 12 Mar 10:54 am CDT
Extended Forecast for

2 Miles NW O'Fallon MO

  • Today

    Today: Sunny, with a high near 56. Southwest wind 8 to 13 mph.

    High: 56 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 45. Breezy, with a south wind 11 to 21 mph, with gusts as high as 34 mph.

    Low: 45 °F

    Mostly Clear
    then Partly
    Cloudy and
    Breezy

  • Friday

    Friday: Partly sunny, with a high near 60. West wind 15 to 18 mph, with gusts as high as 30 mph.

    High: 60 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 36. Northwest wind 5 to 7 mph becoming light and variable.

    Low: 36 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 64. East wind 6 to 10 mph, with gusts as high as 20 mph.

    High: 64 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of rain after 1am. Mostly cloudy, with a low around 54.

    Low: 54 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Sunday

    Sunday: Rain likely and possibly a thunderstorm, then rain after 1pm. High near 67. Breezy. Chance of precipitation is 80%.

    High: 67 °F

    Rain and
    Breezy

  • Sunday Night

    Sunday Night: Rain and snow likely before 1am, then a chance of snow. Mostly cloudy, with a low around 21. Blustery. Chance of precipitation is 60%.

    Low: 21 °F

    Rain/Snow
    Likely and
    Blustery

  • Monday

    Monday: Mostly sunny, with a high near 33. Breezy.

    High: 33 °F

    Mostly Sunny
    and Breezy

Detailed Forecast

Today
Sunny, with a high near 56. Southwest wind 8 to 13 mph.
Tonight
Increasing clouds, with a low around 45. Breezy, with a south wind 11 to 21 mph, with gusts as high as 34 mph.
Friday
Partly sunny, with a high near 60. West wind 15 to 18 mph, with gusts as high as 30 mph.
Friday Night
Mostly cloudy, with a low around 36. Northwest wind 5 to 7 mph becoming light and variable.
Saturday
Partly sunny, with a high near 64. East wind 6 to 10 mph, with gusts as high as 20 mph.
Saturday Night
A 20 percent chance of rain after 1am. Mostly cloudy, with a low around 54.
Sunday
Rain likely and possibly a thunderstorm, then rain after 1pm. High near 67. Breezy. Chance of precipitation is 80%.
Sunday Night
Rain and snow likely before 1am, then a chance of snow. Mostly cloudy, with a low around 21. Blustery. Chance of precipitation is 60%.
Monday
Mostly sunny, with a high near 33. Breezy.
Monday Night
Mostly clear, with a low around 15.
Tuesday
Partly sunny, with a high near 40.
Tuesday Night
A slight chance of rain and snow. Mostly cloudy, with a low around 31. Chance of precipitation is 20%.
Wednesday
Partly sunny, with a high near 59.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NW O'Fallon MO
 38.81°N 90.74°W (Elev. 499 ft)
Last Update:
10:56 am CDT Mar 12, 2026
Forecast Valid:
11am CDT Mar 12, 2026-6pm CDT Mar 18, 2026
 
Forecast Discussion
 
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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation