Current conditions at
St. Louis, Spirit Of St. Louis Airport (KSUS)
Lat: 38.66°NLon: 90.66°WElev: 463ft.
A Few Clouds
32°F
0°C
| Humidity | 59% |
| Wind Speed | N 6 mph |
| Barometer | 30.10 in (1019.8 mb) |
| Dewpoint | 19°F (-7°C) |
| Visibility | 10.00 mi |
| Wind Chill | 26°F (-3°C) |
| Last update | 21 Feb 1:54 am CST |
Extended Forecast for
2 Miles NW O'Fallon MO
Overnight

Low: 27 °F
Chance
FlurriesSaturday
High: 41 °F
Slight Chance
Snow then
Mostly SunnySaturday Night

Low: 21 °F
Mostly Clear
Sunday

High: 33 °F
Sunny
Sunday Night

Low: 15 °F
Mostly Clear
Monday

High: 33 °F
Sunny
Monday Night

Low: 19 °F
Mostly Clear
Tuesday

High: 54 °F
Partly Sunny
Tuesday Night

Low: 40 °F
Mostly Cloudy
Detailed Forecast
Overnight
A chance of flurries after 5am. Partly cloudy, with a low around 27. North wind 3 to 5 mph.
Saturday
A chance of flurries with a slight chance of snow before 9am, then a chance of flurries between 9am and 10am. Partly sunny, with a high near 41. Northwest wind 6 to 10 mph. Chance of precipitation is 20%.
Saturday Night
Mostly clear, with a low around 21. Northwest wind 8 to 15 mph, with gusts as high as 25 mph.
Sunday
Sunny, with a high near 33. Northwest wind 15 to 18 mph, with gusts as high as 32 mph.
Sunday Night
Mostly clear, with a low around 15. Northwest wind 14 to 16 mph, with gusts as high as 26 mph.
Monday
Sunny, with a high near 33.
Monday Night
Mostly clear, with a low around 19.
Tuesday
Partly sunny, with a high near 54.
Tuesday Night
Mostly cloudy, with a low around 40.
Wednesday
Partly sunny, with a high near 62.
Wednesday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 36.
Thursday
A 20 percent chance of rain. Mostly sunny, with a high near 53.
Thursday Night
Mostly clear, with a low around 32.
Friday
Sunny, with a high near 63.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
2 Miles NW O'Fallon MO
38.81°N 90.74°W (Elev. 499 ft)
38.81°N 90.74°W (Elev. 499 ft)
12:26 am CST Feb 21, 2026
1am CST Feb 21, 2026-6pm CST Feb 27, 2026


