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.

Light Rain

68°F

20°C

Humidity 84%
Wind Speed S 9 mph
Barometer 29.69 in (1004.9 mb)
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 27 Apr 9:54 am CDT
Extended Forecast for

2 Miles NW O'Fallon MO

  • Today

    Today: Showers and thunderstorms, mainly before 3pm. Some of the storms could produce heavy rainfall. High near 81. South wind 15 to 18 mph, with gusts as high as 32 mph. Chance of precipitation is 80%.

    High: 81 °F

    Showers
    Likely then
    Heavy Rain

  • Tonight

    Tonight: Showers and thunderstorms, mainly before 8pm. Some of the storms could produce heavy rainfall. Low around 50. Southwest wind 7 to 14 mph becoming west after midnight. Winds could gust as high as 26 mph. Chance of precipitation is 80%.

    Low: 50 °F

    Heavy Rain
    then Partly
    Cloudy

  • Tuesday

    Tuesday: A chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 70. West wind around 6 mph becoming light and variable in the morning. Chance of precipitation is 40%.

    High: 70 °F

    Mostly Sunny
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm before 1am, then a chance of showers. Low around 49. North wind 5 to 9 mph. Chance of precipitation is 80%.

    Low: 49 °F

    Showers

  • Wednesday

    Wednesday: Sunny, with a high near 65. Northwest wind 9 to 11 mph, with gusts as high as 21 mph.

    High: 65 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 42.

    Low: 42 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 68.

    High: 68 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 44.

    Low: 44 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 64.

    High: 64 °F

    Mostly Sunny

Detailed Forecast

Today
Showers and thunderstorms, mainly before 3pm. Some of the storms could produce heavy rainfall. High near 81. South wind 15 to 18 mph, with gusts as high as 32 mph. Chance of precipitation is 80%.
Tonight
Showers and thunderstorms, mainly before 8pm. Some of the storms could produce heavy rainfall. Low around 50. Southwest wind 7 to 14 mph becoming west after midnight. Winds could gust as high as 26 mph. Chance of precipitation is 80%.
Tuesday
A chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 70. West wind around 6 mph becoming light and variable in the morning. Chance of precipitation is 40%.
Tuesday Night
Showers and possibly a thunderstorm before 1am, then a chance of showers. Low around 49. North wind 5 to 9 mph. Chance of precipitation is 80%.
Wednesday
Sunny, with a high near 65. Northwest wind 9 to 11 mph, with gusts as high as 21 mph.
Wednesday Night
Mostly clear, with a low around 42.
Thursday
Mostly sunny, with a high near 68.
Thursday Night
Mostly cloudy, with a low around 44.
Friday
Mostly sunny, with a high near 64.
Friday Night
Partly cloudy, with a low around 41.
Saturday
Sunny, with a high near 67.
Saturday Night
Mostly clear, with a low around 44.
Sunday
Sunny, with a high near 74.
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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:
8:41 am CDT Apr 27, 2026
Forecast Valid:
10am CDT Apr 27, 2026-6pm CDT May 3, 2026
 
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Additional Resources

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Chance of Precipitation