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.

Overcast

57°F

14°C

Humidity 78%
Wind Speed E 6 mph
Barometer 29.47 in (997.9 mb)
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Last update 19 Feb 12:54 pm CST
Extended Forecast for

2 Miles NW O'Fallon MO

  • This Afternoon

    This Afternoon: A 20 percent chance of rain and thunderstorms before 2pm. Mostly sunny, with a high near 69. Southeast wind 6 to 9 mph, with gusts as high as 20 mph.

    High: 69 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: Increasing clouds, with a low around 32. Breezy, with a west wind 9 to 14 mph increasing to 16 to 21 mph after midnight. Winds could gust as high as 34 mph.

    Low: 32 °F

    Increasing
    Clouds and
    Breezy

  • Friday

    Friday: Sunny, with a high near 47. West wind 7 to 17 mph, with gusts as high as 30 mph.

    High: 47 °F

    Sunny

  • Friday Night

    Friday Night: Clear during the early evening, then becoming mostly cloudy, with a low around 28. Northwest wind 3 to 6 mph.

    Low: 28 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 44. North wind 6 to 10 mph.

    High: 44 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 23.

    Low: 23 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 37.

    High: 37 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 18.

    Low: 18 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 36.

    High: 36 °F

    Sunny

Detailed Forecast

This Afternoon
A 20 percent chance of rain and thunderstorms before 2pm. Mostly sunny, with a high near 69. Southeast wind 6 to 9 mph, with gusts as high as 20 mph.
Tonight
Increasing clouds, with a low around 32. Breezy, with a west wind 9 to 14 mph increasing to 16 to 21 mph after midnight. Winds could gust as high as 34 mph.
Friday
Sunny, with a high near 47. West wind 7 to 17 mph, with gusts as high as 30 mph.
Friday Night
Clear during the early evening, then becoming mostly cloudy, with a low around 28. Northwest wind 3 to 6 mph.
Saturday
Mostly sunny, with a high near 44. North wind 6 to 10 mph.
Saturday Night
Mostly clear, with a low around 23.
Sunday
Sunny, with a high near 37.
Sunday Night
Mostly clear, with a low around 18.
Monday
Sunny, with a high near 36.
Monday Night
Mostly clear, with a low around 20.
Tuesday
Partly sunny, with a high near 54.
Tuesday Night
Mostly cloudy, with a low around 44.
Wednesday
A 20 percent chance of rain. Partly sunny, with a high near 60.
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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:
12:26 pm CST Feb 19, 2026
Forecast Valid:
1pm CST Feb 19, 2026-6pm CST Feb 25, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation