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

70°F

21°C

Humidity 59%
Wind Speed S 9 mph
Barometer 29.88 in (1011.1 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 31 Mar 4:54 am CDT
Extended Forecast for

2 Miles NW O'Fallon MO

  • Today

    Today: A chance of rain and thunderstorms before 2pm, then a chance of rain and thunderstorms after 4pm. Mostly cloudy, with a high near 84. Southwest wind 10 to 18 mph, with gusts as high as 32 mph. Chance of precipitation is 30%.

    High: 84 °F

    Chance
    T-storms

  • Tonight

    Tonight: Rain and thunderstorms before 3am, then rain and possibly a thunderstorm, mainly after 3am. Low around 58. Southwest wind 5 to 8 mph becoming west after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 80%.

    Low: 58 °F

    Rain

  • Wednesday

    Wednesday: Rain and possibly a thunderstorm before 4pm, then rain likely. High near 73. South wind 5 to 8 mph. Chance of precipitation is 90%.

    High: 73 °F

    Rain

  • Wednesday Night

    Wednesday Night: A chance of rain, with thunderstorms also possible after 1am. Mostly cloudy, with a low around 63. Southeast wind 8 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 50%.

    Low: 63 °F

    Chance Rain
    then Chance
    T-storms

  • Thursday

    Thursday: Rain and possibly a thunderstorm. High near 77. South wind 14 to 18 mph, with gusts as high as 32 mph. Chance of precipitation is 90%.

    High: 77 °F

    Rain

  • Thursday Night

    Thursday Night: Rain likely and possibly a thunderstorm. Partly cloudy, with a low around 58. Chance of precipitation is 60%.

    Low: 58 °F

    Rain Likely

  • Friday

    Friday: A 40 percent chance of rain and thunderstorms. Partly sunny, with a high near 81.

    High: 81 °F

    Chance Rain
    then Chance
    T-storms

  • Friday Night

    Friday Night: A chance of rain and thunderstorms, then rain and possibly a thunderstorm after 1am. Low around 57. Chance of precipitation is 80%.

    Low: 57 °F

    Chance
    T-storms then
    Rain

  • Saturday

    Saturday: Rain likely and possibly a thunderstorm. Mostly cloudy, with a high near 67. Chance of precipitation is 70%.

    High: 67 °F

    Rain Likely

Detailed Forecast

Today
A chance of rain and thunderstorms before 2pm, then a chance of rain and thunderstorms after 4pm. Mostly cloudy, with a high near 84. Southwest wind 10 to 18 mph, with gusts as high as 32 mph. Chance of precipitation is 30%.
Tonight
Rain and thunderstorms before 3am, then rain and possibly a thunderstorm, mainly after 3am. Low around 58. Southwest wind 5 to 8 mph becoming west after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 80%.
Wednesday
Rain and possibly a thunderstorm before 4pm, then rain likely. High near 73. South wind 5 to 8 mph. Chance of precipitation is 90%.
Wednesday Night
A chance of rain, with thunderstorms also possible after 1am. Mostly cloudy, with a low around 63. Southeast wind 8 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 50%.
Thursday
Rain and possibly a thunderstorm. High near 77. South wind 14 to 18 mph, with gusts as high as 32 mph. Chance of precipitation is 90%.
Thursday Night
Rain likely and possibly a thunderstorm. Partly cloudy, with a low around 58. Chance of precipitation is 60%.
Friday
A 40 percent chance of rain and thunderstorms. Partly sunny, with a high near 81.
Friday Night
A chance of rain and thunderstorms, then rain and possibly a thunderstorm after 1am. Low around 57. Chance of precipitation is 80%.
Saturday
Rain likely and possibly a thunderstorm. Mostly cloudy, with a high near 67. Chance of precipitation is 70%.
Saturday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 39.
Sunday
A 20 percent chance of rain. Mostly sunny, with a high near 57.
Sunday Night
Mostly clear, with a low around 35.
Monday
Sunny, with a high near 62.
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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:
4:16 am CDT Mar 31, 2026
Forecast Valid:
5am CDT Mar 31, 2026-6pm CDT Apr 6, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation