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

82°F

28°C

Humidity 35%
Wind Speed S 16 G 24 mph
Barometer 29.86 in (1010.9 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 25 Mar 3:54 pm CDT
Extended Forecast for

2 Miles NW O'Fallon MO

  • Tonight

    Tonight: Mostly clear, with a low around 65. South wind 8 to 11 mph, with gusts as high as 23 mph.

    Low: 65 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 92. Southwest wind 10 to 15 mph, with gusts as high as 26 mph.

    High: 92 °F

    Sunny

  • Thursday Night

    Thursday Night: Rain and possibly a thunderstorm. Low around 43. Southwest wind 9 to 18 mph becoming north after midnight. Winds could gust as high as 29 mph. Chance of precipitation is 90%.

    Low: 43 °F

    Rain Likely
    then Rain

  • Friday

    Friday: A 30 percent chance of rain before 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 54. North wind 14 to 17 mph, with gusts as high as 28 mph.

    High: 54 °F

    Chance Rain

  • Friday Night

    Friday Night: Mostly clear, with a low around 31. North wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 31 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 56.

    High: 56 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 42.

    Low: 42 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 66.

    High: 66 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: A 20 percent chance of rain and thunderstorms after 1am. Mostly cloudy, with a low around 54.

    Low: 54 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

Detailed Forecast

Tonight
Mostly clear, with a low around 65. South wind 8 to 11 mph, with gusts as high as 23 mph.
Thursday
Sunny, with a high near 92. Southwest wind 10 to 15 mph, with gusts as high as 26 mph.
Thursday Night
Rain and possibly a thunderstorm. Low around 43. Southwest wind 9 to 18 mph becoming north after midnight. Winds could gust as high as 29 mph. Chance of precipitation is 90%.
Friday
A 30 percent chance of rain before 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 54. North wind 14 to 17 mph, with gusts as high as 28 mph.
Friday Night
Mostly clear, with a low around 31. North wind 5 to 10 mph, with gusts as high as 20 mph.
Saturday
Sunny, with a high near 56.
Saturday Night
Partly cloudy, with a low around 42.
Sunday
Partly sunny, with a high near 66.
Sunday Night
A 20 percent chance of rain and thunderstorms after 1am. Mostly cloudy, with a low around 54.
Monday
A 20 percent chance of rain and thunderstorms before 1pm. Mostly sunny, with a high near 80.
Monday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 61.
Tuesday
A 40 percent chance of rain and thunderstorms. Partly sunny, with a high near 82.
Tuesday Night
A 40 percent chance of rain and thunderstorms. Mostly cloudy, with a low around 62.
Wednesday
A 40 percent chance of rain and thunderstorms. Partly sunny, with a high near 78.
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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:
1:25 pm CDT Mar 25, 2026
Forecast Valid:
3pm CDT Mar 25, 2026-6pm CDT Apr 1, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation