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.

Shallow Fog

58°F

14°C

Humidity 87%
Wind Speed NE 3 mph
Barometer 30.01 in (1016.1 mb)
Dewpoint 54°F (12°C)
Visibility 2.00 mi
Last update 25 Dec 11:54 am CST
Extended Forecast for

2 Miles NW O'Fallon MO

  • Christmas Day

    Christmas Day: Mostly cloudy, with a high near 66. East wind 3 to 5 mph.

    High: 66 °F

    Mostly Cloudy

  • Tonight

    Tonight: Mostly cloudy, with a low around 56. East wind 5 to 7 mph becoming southwest after midnight.

    Low: 56 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 69. West wind 5 to 10 mph becoming light and variable in the afternoon.

    High: 69 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 46. Light and variable wind.

    Low: 46 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 67. Light east wind becoming southeast 5 to 9 mph in the morning.

    High: 67 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: A 20 percent chance of rain after midnight. Mostly cloudy, with a low around 56.

    Low: 56 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Sunday

    Sunday: Rain likely, with thunderstorms also possible after noon. Cloudy, with a high near 66. Chance of precipitation is 70%.

    High: 66 °F

    Rain Likely

  • Sunday Night

    Sunday Night: A chance of rain and snow before midnight. Mostly cloudy, with a low around 19. Blustery. Chance of precipitation is 30%.

    Low: 19 °F

    Chance
    Rain/Snow
    then Partly
    Cloudy and
    Blustery

  • Monday

    Monday: Sunny, with a high near 28.

    High: 28 °F

    Sunny

Detailed Forecast

Christmas Day
Mostly cloudy, with a high near 66. East wind 3 to 5 mph.
Tonight
Mostly cloudy, with a low around 56. East wind 5 to 7 mph becoming southwest after midnight.
Friday
Mostly sunny, with a high near 69. West wind 5 to 10 mph becoming light and variable in the afternoon.
Friday Night
Partly cloudy, with a low around 46. Light and variable wind.
Saturday
Mostly cloudy, with a high near 67. Light east wind becoming southeast 5 to 9 mph in the morning.
Saturday Night
A 20 percent chance of rain after midnight. Mostly cloudy, with a low around 56.
Sunday
Rain likely, with thunderstorms also possible after noon. Cloudy, with a high near 66. Chance of precipitation is 70%.
Sunday Night
A chance of rain and snow before midnight. Mostly cloudy, with a low around 19. Blustery. Chance of precipitation is 30%.
Monday
Sunny, with a high near 28.
Monday Night
Mostly clear, with a low around 17.
Tuesday
Sunny, with a high near 36.
Tuesday Night
Mostly clear, with a low around 24.
Wednesday
Partly sunny, with a high near 43.
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:
11:56 am CST Dec 25, 2025
Forecast Valid:
12pm CST Dec 25, 2025-6pm CST Dec 31, 2025
 
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