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

49°F

9°C

Humidity 39%
Wind Speed S 10 G 23 mph
Barometer 29.82 in (1009.9 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Wind Chill45°F (7°C)
Last update 13 Mar 12:54 am CDT
Extended Forecast for

2 Miles NW O'Fallon MO

  • Overnight

    Overnight: Mostly cloudy, with a low around 46. Breezy, with a southwest wind 17 to 20 mph, with gusts as high as 33 mph.

    Low: 46 °F

    Mostly Cloudy
    and Breezy

  • Friday

    Friday: Mostly sunny, with a high near 60. West wind 11 to 17 mph, with gusts as high as 29 mph.

    High: 60 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 37. Northwest wind around 6 mph becoming calm.

    Low: 37 °F

    Mostly Clear

  • Saturday

    Saturday: Partly sunny, with a high near 67. Southeast wind 6 to 11 mph, with gusts as high as 21 mph.

    High: 67 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 54. South wind 9 to 13 mph, with gusts as high as 23 mph.

    Low: 54 °F

    Mostly Cloudy

  • Sunday

    Sunday: Rain and possibly a thunderstorm. High near 68. Breezy. Chance of precipitation is 90%.

    High: 68 °F

    Rain Likely
    then Rain and
    Breezy

  • Sunday Night

    Sunday Night: Rain and snow before 1am, then a chance of snow. Some thunder is also possible. Low around 20. Blustery. Chance of precipitation is 80%.

    Low: 20 °F

    Rain/Snow and
    Blustery

  • Monday

    Monday: A 20 percent chance of snow before 1pm. Partly sunny, with a high near 28. Blustery.

    High: 28 °F

    Slight Chance
    Snow and
    Blustery

  • Monday Night

    Monday Night: Mostly clear, with a low around 12.

    Low: 12 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly cloudy, with a low around 46. Breezy, with a southwest wind 17 to 20 mph, with gusts as high as 33 mph.
Friday
Mostly sunny, with a high near 60. West wind 11 to 17 mph, with gusts as high as 29 mph.
Friday Night
Mostly clear, with a low around 37. Northwest wind around 6 mph becoming calm.
Saturday
Partly sunny, with a high near 67. Southeast wind 6 to 11 mph, with gusts as high as 21 mph.
Saturday Night
Mostly cloudy, with a low around 54. South wind 9 to 13 mph, with gusts as high as 23 mph.
Sunday
Rain and possibly a thunderstorm. High near 68. Breezy. Chance of precipitation is 90%.
Sunday Night
Rain and snow before 1am, then a chance of snow. Some thunder is also possible. Low around 20. Blustery. Chance of precipitation is 80%.
Monday
A 20 percent chance of snow before 1pm. Partly sunny, with a high near 28. Blustery.
Monday Night
Mostly clear, with a low around 12.
Tuesday
Mostly sunny, with a high near 35.
Tuesday Night
A slight chance of rain and snow. Mostly cloudy, with a low around 27. Chance of precipitation is 20%.
Wednesday
Partly sunny, with a high near 57.
Wednesday Night
Partly cloudy, with a low around 38.
Thursday
Sunny, with a high near 68.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NW O'Fallon MO
 38.81°N 90.74°W (Elev. 499 ft)
Last Update:
10:36 pm CDT Mar 12, 2026
Forecast Valid:
1am CDT Mar 13, 2026-6pm CDT Mar 19, 2026
 
Forecast Discussion
 
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Additional Resources

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