Current conditions at
St. Louis, Spirit Of St. Louis Airport (KSUS)
Lat: 38.66°NLon: 90.66°WElev: 463ft.
Fair
69°F
21°C
| Humidity | 55% |
| Wind Speed | Calm |
| Barometer | 30.22 in (1023.2 mb) |
| Dewpoint | 52°F (11°C) |
| Visibility | 10.00 mi |
| Last update | 4 Oct 10:54 am CDT |
Extended Forecast for
O'Fallon MO
Today
High: 79 °F
Sunny
Tonight
Low: 52 °F
Clear
Monday
High: 75 °F
Sunny
Monday Night
Low: 50 °F
Clear
Tuesday
High: 79 °F
Sunny
Tuesday Night
Low: 56 °F
Clear
Wednesday
High: 82 °F
Sunny
Wednesday Night
Low: 55 °F
Clear
Thursday
High: 82 °F
Sunny
Detailed Forecast
Today
Sunny, with a high near 79. North wind 3 to 6 mph.
Tonight
Clear, with a low around 52. North wind 3 to 5 mph.
Monday
Sunny, with a high near 75. Light and variable wind.
Monday Night
Clear, with a low around 50. Calm wind.
Tuesday
Sunny, with a high near 79. Calm wind becoming south around 5 mph.
Tuesday Night
Clear, with a low around 56.
Wednesday
Sunny, with a high near 82.
Wednesday Night
Clear, with a low around 55.
Thursday
Sunny, with a high near 82.
Thursday Night
Mostly clear, with a low around 57.
Friday
Sunny, with a high near 83.
Friday Night
Mostly clear, with a low around 59.
Saturday
Mostly sunny, with a high near 85.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
O'Fallon MO
38.79°N 90.71°W (Elev. 535 ft)
38.79°N 90.71°W (Elev. 535 ft)
10:41 am CDT Oct 4, 2026
11am CDT Oct 4, 2026-6pm CDT Oct 10, 2026
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