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 NNE O'Fallon MO

  • Today

    Today: Sunny, with a high near 57. West wind 6 to 10 mph becoming southwest in the afternoon.

    High: 57 °F

    Sunny

  • Tonight

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

    Low: 45 °F

    Partly Cloudy
    then Partly
    Cloudy and
    Breezy

  • Friday

    Friday: Mostly sunny, with a high near 60. West wind 10 to 16 mph, with gusts as high as 28 mph.

    High: 60 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 37. Light and variable wind becoming east around 6 mph after midnight.

    Low: 37 °F

    Partly 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 22. Blustery. Chance of precipitation is 60%.

    Low: 22 °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 57. West wind 6 to 10 mph becoming southwest in the afternoon.
Tonight
Partly cloudy, with a low around 45. Breezy, with a south wind 11 to 21 mph, with gusts as high as 34 mph.
Friday
Mostly sunny, with a high near 60. West wind 10 to 16 mph, with gusts as high as 28 mph.
Friday Night
Partly cloudy, with a low around 37. Light and variable wind becoming east around 6 mph after midnight.
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 22. Blustery. Chance of precipitation is 60%.
Monday
Mostly sunny, with a high near 33. Breezy.
Monday Night
Mostly clear, with a low around 16.
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 60.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NNE O'Fallon MO
 38.81°N 90.71°W (Elev. 502 ft)
Last Update:
11:11 am CDT Mar 12, 2026
Forecast Valid:
11am CDT Mar 12, 2026-6pm CDT Mar 18, 2026
 
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Additional Resources

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Chance of Precipitation