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

65°F

18°C

Humidity 61%
Wind Speed S 10 G 23 mph
Barometer 29.43 in (996.0 mb)
Dewpoint 51°F (11°C)
Visibility 10.00 mi
Last update 15 Mar 8:54 am CDT
Extended Forecast for

2 Miles NW O'Fallon MO

Wind Advisory March 15, 10:00am until March 16, 12:00pm
Click here for hazard details and duration
Wind Advisory

  • Today

    Today: Scattered showers and thunderstorms, then showers and possibly a thunderstorm after 2pm. High near 69. Breezy, with a south wind 18 to 23 mph, with gusts as high as 41 mph. Chance of precipitation is 80%.

    High: 69 °F

    Breezy.
    Mostly Cloudy
    then T-storms

  • Tonight

    Tonight: Rain likely before 10pm, then a chance of snow. Cloudy, with a low around 21. Blustery, with a northwest wind 25 to 29 mph, with gusts as high as 47 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 21 °F

    Rain/Snow
    Likely and
    Breezy then
    Chance Snow
    and Blustery

  • Monday

    Monday: A slight chance of snow before 10am, then scattered flurries between 10am and 11am. Cloudy, with a high near 28. Blustery, with a northwest wind 21 to 26 mph, with gusts as high as 43 mph. Chance of precipitation is 20%.

    High: 28 °F

    Blustery.
    Slight Chance
    Snow then
    Cloudy

  • Monday Night

    Monday Night: Mostly clear, with a low around 13. Northwest wind 9 to 18 mph, with gusts as high as 29 mph.

    Low: 13 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 39. Northwest wind around 6 mph becoming south in the afternoon.

    High: 39 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A chance of snow before 4am, then a chance of rain. Mostly cloudy, with a steady temperature around 37. Chance of precipitation is 30%.

    Low: 37 °F

    Slight Chance
    Snow then
    Chance
    Rain/Snow

  • Wednesday

    Wednesday: A 30 percent chance of rain before 7am. Mostly sunny, with a high near 64.

    High: 64 °F

    Chance Rain
    then Mostly
    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 43.

    Low: 43 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 72.

    High: 72 °F

    Sunny

Detailed Forecast

Today
Scattered showers and thunderstorms, then showers and possibly a thunderstorm after 2pm. High near 69. Breezy, with a south wind 18 to 23 mph, with gusts as high as 41 mph. Chance of precipitation is 80%.
Tonight
Rain likely before 10pm, then a chance of snow. Cloudy, with a low around 21. Blustery, with a northwest wind 25 to 29 mph, with gusts as high as 47 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Monday
A slight chance of snow before 10am, then scattered flurries between 10am and 11am. Cloudy, with a high near 28. Blustery, with a northwest wind 21 to 26 mph, with gusts as high as 43 mph. Chance of precipitation is 20%.
Monday Night
Mostly clear, with a low around 13. Northwest wind 9 to 18 mph, with gusts as high as 29 mph.
Tuesday
Mostly sunny, with a high near 39. Northwest wind around 6 mph becoming south in the afternoon.
Tuesday Night
A chance of snow before 4am, then a chance of rain. Mostly cloudy, with a steady temperature around 37. Chance of precipitation is 30%.
Wednesday
A 30 percent chance of rain before 7am. Mostly sunny, with a high near 64.
Wednesday Night
Partly cloudy, with a low around 43.
Thursday
Sunny, with a high near 72.
Thursday Night
Mostly clear, with a low around 46.
Friday
Mostly sunny, with a high near 76.
Friday Night
Mostly cloudy, with a low around 48.
Saturday
Mostly sunny, with a high near 69.
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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:
9:21 am CDT Mar 15, 2026
Forecast Valid:
9am CDT Mar 15, 2026-6pm CDT Mar 21, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation