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

60°F

16°C

Humidity 26%
Wind Speed NW 15 G 25 mph
Barometer 29.95 in (1014.1 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Last update 13 Mar 12:54 pm CDT
Extended Forecast for

2 Miles NW O'Fallon MO

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 60. Northwest wind 11 to 15 mph, with gusts as high as 24 mph.

    High: 60 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 36. Northwest wind around 6 mph becoming light and variable.

    Low: 36 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 64. East wind 6 to 13 mph, with gusts as high as 22 mph.

    High: 64 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 55. South wind 10 to 14 mph, with gusts as high as 25 mph.

    Low: 55 °F

    Mostly Cloudy

  • Sunday

    Sunday: Rain, mainly between 1pm and 4pm, then showers and possibly a thunderstorm after 4pm. High near 68. Breezy, with a south wind 16 to 20 mph, with gusts as high as 38 mph. Chance of precipitation is 90%.

    High: 68 °F

    Breezy.
    Chance Rain
    then Showers

  • Sunday Night

    Sunday Night: Rain before 10pm, then snow. Some thunder is also possible. Low around 21. Breezy. Chance of precipitation is 80%. New snow accumulation of around an inch possible.

    Low: 21 °F

    Breezy.
    Rain/Snow
    then Snow

  • Monday

    Monday: A 30 percent chance of snow before 1pm. Partly sunny, with a high near 29. Blustery.

    High: 29 °F

    Chance Snow
    and Blustery

  • Monday Night

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

    Low: 12 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 37.

    High: 37 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 60. Northwest wind 11 to 15 mph, with gusts as high as 24 mph.
Tonight
Partly cloudy, with a low around 36. Northwest wind around 6 mph becoming light and variable.
Saturday
Mostly sunny, with a high near 64. East wind 6 to 13 mph, with gusts as high as 22 mph.
Saturday Night
Mostly cloudy, with a low around 55. South wind 10 to 14 mph, with gusts as high as 25 mph.
Sunday
Rain, mainly between 1pm and 4pm, then showers and possibly a thunderstorm after 4pm. High near 68. Breezy, with a south wind 16 to 20 mph, with gusts as high as 38 mph. Chance of precipitation is 90%.
Sunday Night
Rain before 10pm, then snow. Some thunder is also possible. Low around 21. Breezy. Chance of precipitation is 80%. New snow accumulation of around an inch possible.
Monday
A 30 percent chance of snow before 1pm. Partly sunny, with a high near 29. Blustery.
Monday Night
Mostly clear, with a low around 12.
Tuesday
Mostly sunny, with a high near 37.
Tuesday Night
A slight chance of rain and snow after 1am. Mostly cloudy, with a low around 29. Chance of precipitation is 20%.
Wednesday
Partly sunny, with a high near 62.
Wednesday Night
Partly cloudy, with a low around 40.
Thursday
Sunny, with a high near 71.
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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:
11:41 am CDT Mar 13, 2026
Forecast Valid:
1pm CDT Mar 13, 2026-6pm CDT Mar 19, 2026
 
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