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

53°F

12°C

Humidity 26%
Wind Speed S 16 G 31 mph
Barometer 29.60 in (1003.0 mb)
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Wind Chill48°F (9°C)
Last update 24 Feb 1:54 pm CST
Extended Forecast for

2 Miles NW O'Fallon MO

  • This Afternoon

    This Afternoon: Mostly cloudy, with a high near 57. Southwest wind 13 to 17 mph, with gusts as high as 31 mph.

    High: 57 °F

    Mostly Cloudy

  • Tonight

    Tonight: Mostly cloudy, with a low around 35. Southwest wind 6 to 11 mph becoming light northwest after midnight. Winds could gust as high as 22 mph.

    Low: 35 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 52. Calm wind becoming north around 5 mph.

    High: 52 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: A 50 percent chance of rain. Mostly cloudy, with a low around 36. East wind 3 to 6 mph.

    Low: 36 °F

    Chance Rain

  • Thursday

    Thursday: A 20 percent chance of rain before noon. Partly sunny, with a high near 51. East wind around 6 mph becoming light and variable in the afternoon.

    High: 51 °F

    Slight Chance
    Rain then
    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 34.

    Low: 34 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 67.

    High: 67 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 41.

    Low: 41 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 67.

    High: 67 °F

    Sunny

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 57. Southwest wind 13 to 17 mph, with gusts as high as 31 mph.
Tonight
Mostly cloudy, with a low around 35. Southwest wind 6 to 11 mph becoming light northwest after midnight. Winds could gust as high as 22 mph.
Wednesday
Partly sunny, with a high near 52. Calm wind becoming north around 5 mph.
Wednesday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 36. East wind 3 to 6 mph.
Thursday
A 20 percent chance of rain before noon. Partly sunny, with a high near 51. East wind around 6 mph becoming light and variable in the afternoon.
Thursday Night
Mostly clear, with a low around 34.
Friday
Sunny, with a high near 67.
Friday Night
Mostly clear, with a low around 41.
Saturday
Sunny, with a high near 67.
Saturday Night
A slight chance of rain before midnight, then a slight chance of rain and snow. Partly cloudy, with a low around 32. Chance of precipitation is 20%.
Sunday
A chance of rain and snow. Mostly cloudy, with a high near 46. Chance of precipitation is 40%.
Sunday Night
A chance of rain and snow. Some thunder is also possible. Mostly cloudy, with a low around 33. Chance of precipitation is 50%.
Monday
A 30 percent chance of rain. Mostly cloudy, with a high near 49.
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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:
1:41 pm CST Feb 24, 2026
Forecast Valid:
2pm CST Feb 24, 2026-6pm CST Mar 2, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation