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.

Overcast

69°F

21°C

Humidity 44%
Wind Speed SW 10 G 20 mph
Barometer 30.12 in (1019.2 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 10 Apr 2:54 am CDT
Extended Forecast for

2 Miles NW O'Fallon MO

  • Overnight

    Overnight: A 30 percent chance of showers, mainly after 5am. Mostly cloudy, with a low around 62. Southwest wind around 10 mph, with gusts as high as 20 mph.

    Low: 62 °F

    Chance
    Showers

  • Friday

    Friday: Showers and thunderstorms before 4pm, then a chance of showers. High near 68. West wind around 8 mph becoming north in the afternoon. Chance of precipitation is 80%.

    High: 68 °F

    Showers

  • Friday Night

    Friday Night: A slight chance of showers before 1am, then a chance of showers after 2am. Mostly cloudy, with a low around 52. Northeast wind around 6 mph. Chance of precipitation is 30%.

    Low: 52 °F

    Chance
    Showers

  • Saturday

    Saturday: A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 72. Southeast wind 6 to 8 mph. Chance of precipitation is 50%.

    High: 72 °F

    Chance
    Showers then
    Chance
    T-storms

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 61. Southeast wind 7 to 9 mph, with gusts as high as 20 mph.

    Low: 61 °F

    Mostly Cloudy

  • Sunday

    Sunday: A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 79. Chance of precipitation is 50%.

    High: 79 °F

    Slight Chance
    Showers then
    Chance
    Showers

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 65. Chance of precipitation is 40%.

    Low: 65 °F

    Chance
    Showers

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 85.

    High: 85 °F

    Chance
    T-storms

  • Monday Night

    Monday Night: A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 69.

    Low: 69 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

Detailed Forecast

Overnight
A 30 percent chance of showers, mainly after 5am. Mostly cloudy, with a low around 62. Southwest wind around 10 mph, with gusts as high as 20 mph.
Friday
Showers and thunderstorms before 4pm, then a chance of showers. High near 68. West wind around 8 mph becoming north in the afternoon. Chance of precipitation is 80%.
Friday Night
A slight chance of showers before 1am, then a chance of showers after 2am. Mostly cloudy, with a low around 52. Northeast wind around 6 mph. Chance of precipitation is 30%.
Saturday
A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 72. Southeast wind 6 to 8 mph. Chance of precipitation is 50%.
Saturday Night
Mostly cloudy, with a low around 61. Southeast wind 7 to 9 mph, with gusts as high as 20 mph.
Sunday
A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 79. Chance of precipitation is 50%.
Sunday Night
A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 65. Chance of precipitation is 40%.
Monday
A 30 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 85.
Monday Night
A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 69.
Tuesday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 86.
Tuesday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 66. Chance of precipitation is 60%.
Wednesday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 81.
Wednesday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 59.
Thursday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 80.
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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:
1:26 am CDT Apr 10, 2026
Forecast Valid:
3am CDT Apr 10, 2026-6pm CDT Apr 16, 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