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 86%
Wind Speed Calm
Barometer 30.14 in (1020.5 mb)
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Last update 11 Apr 8:54 pm CDT
Extended Forecast for

2 Miles NW O'Fallon MO

  • Tonight

    Tonight: Partly cloudy, with a low around 62. South wind 5 to 9 mph.

    Low: 62 °F

    Partly Cloudy

  • Sunday

    Sunday: A 30 percent chance of showers and thunderstorms, mainly after 4pm. Partly sunny, with a high near 80. South wind 9 to 16 mph, with gusts as high as 29 mph.

    High: 80 °F

    Partly Sunny
    then Chance
    Showers

  • Sunday Night

    Sunday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 65. Southwest wind around 14 mph, with gusts as high as 24 mph. Chance of precipitation is 70%.

    Low: 65 °F

    Showers
    Likely

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 85. Southwest wind 11 to 15 mph, with gusts as high as 26 mph.

    High: 85 °F

    Slight Chance
    T-storms

  • Monday Night

    Monday Night: Partly cloudy, with a low around 69. Southwest wind around 14 mph, with gusts as high as 24 mph.

    Low: 69 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 88.

    High: 88 °F

    Mostly Sunny
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 67. Chance of precipitation is 60%.

    Low: 67 °F

    Chance
    T-storms then
    Showers
    Likely

  • Wednesday

    Wednesday: Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 80. Chance of precipitation is 70%.

    High: 80 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 62. Chance of precipitation is 60%.

    Low: 62 °F

    Showers
    Likely

Detailed Forecast

Tonight
Partly cloudy, with a low around 62. South wind 5 to 9 mph.
Sunday
A 30 percent chance of showers and thunderstorms, mainly after 4pm. Partly sunny, with a high near 80. South wind 9 to 16 mph, with gusts as high as 29 mph.
Sunday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 65. Southwest wind around 14 mph, with gusts as high as 24 mph. Chance of precipitation is 70%.
Monday
A 20 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 85. Southwest wind 11 to 15 mph, with gusts as high as 26 mph.
Monday Night
Partly cloudy, with a low around 69. Southwest wind around 14 mph, with gusts as high as 24 mph.
Tuesday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 88.
Tuesday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 67. Chance of precipitation is 60%.
Wednesday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 80. Chance of precipitation is 70%.
Wednesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 62. Chance of precipitation is 60%.
Thursday
A chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 82. Chance of precipitation is 40%.
Thursday Night
A 20 percent chance of showers. Mostly clear, with a low around 61.
Friday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 85.
Friday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 54. Chance of precipitation is 60%.
Saturday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 67.
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Forecast Area
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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:
8:26 pm CDT Apr 11, 2026
Forecast Valid:
9pm CDT Apr 11, 2026-6pm CDT Apr 18, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation