Current conditions at
St. Louis, Spirit Of St. Louis Airport (KSUS)
Lat: 38.66°NLon: 90.66°WElev: 463ft.
Fair
21°F
-6°C
| Humidity | 54% |
| Wind Speed | W 10 G 21 mph |
| Barometer | 30.16 in (1022.6 mb) |
| Dewpoint | 7°F (-14°C) |
| Visibility | 10.00 mi |
| Wind Chill | 10°F (-12°C) |
| Last update | 17 Mar 1:54 am CDT |
Extended Forecast for
2 Miles NW O'Fallon MO
Overnight

Low: 13 °F
Mostly Clear
Tuesday

High: 35 °F
Increasing
CloudsTuesday Night
Low: 32 °F
Chance Snow
then Chance
Rain/SnowWednesday

High: 65 °F
Becoming
SunnyWednesday Night

Low: 43 °F
Mostly Cloudy
Thursday

High: 74 °F
Mostly Sunny
Thursday Night

Low: 47 °F
Mostly Clear
Friday

High: 76 °F
Sunny
Friday Night

Low: 50 °F
Partly Cloudy
Detailed Forecast
Overnight
Mostly clear, with a low around 13. Northwest wind 7 to 11 mph, with gusts as high as 22 mph.
Tuesday
Increasing clouds, with a high near 35. Northwest wind 5 to 9 mph becoming light and variable.
Tuesday Night
A chance of snow before 3am, then a chance of rain. Cloudy, with a low around 32. Southeast wind 6 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 40%.
Wednesday
Partly sunny, then gradually becoming sunny, with a high near 65. South wind 7 to 10 mph becoming west in the afternoon.
Wednesday Night
Mostly cloudy, with a low around 43. Light and variable wind.
Thursday
Mostly sunny, with a high near 74.
Thursday Night
Mostly clear, with a low around 47.
Friday
Sunny, with a high near 76.
Friday Night
Partly cloudy, with a low around 50.
Saturday
Sunny, with a high near 78.
Saturday Night
Mostly clear, with a low around 53.
Sunday
Sunny, with a high near 75.
Sunday Night
Partly cloudy, with a low around 41.
Monday
Partly sunny, with a high near 56.
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)
1:41 am CDT Mar 17, 2026
2am CDT Mar 17, 2026-6pm CDT Mar 23, 2026


