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Current conditions at
St. Louis, Spirit Of St. Louis Airport (KSUS)
Lat: 38.66°NLon: 90.66°WElev: 463ft.
Fog/Mist
72°F
22°C
| Humidity | 97% |
| Wind Speed | Calm |
| Barometer | 29.92 in (1012.1 mb) |
| Dewpoint | 71°F (22°C) |
| Visibility | 6.00 mi |
| Last update | 9 Jul 3:54 am CDT |
Extended Forecast for
2 Miles NNW O'Fallon MO
Today
High: 92 °F
Mostly Sunny
then Chance
T-stormsTonight

Low: 72 °F
Chance
T-stormsFriday

High: 88 °F
Chance
T-stormsFriday Night

Low: 71 °F
Showers
LikelySaturday

High: 86 °F
Chance
ShowersSaturday Night

Low: 68 °F
Chance
ShowersSunday
High: 87 °F
Sunny then
Slight Chance
ShowersSunday Night

Low: 69 °F
Mostly Clear
Monday

High: 89 °F
Sunny
Detailed Forecast
Today
A 40 percent chance of showers and thunderstorms, mainly between 1pm and 4pm. Partly sunny, with a high near 92. Heat index values as high as 101. Calm wind becoming west around 6 mph in the morning.
Tonight
A 40 percent chance of showers and thunderstorms, mainly between 7pm and 3am. Mostly cloudy, with a low around 72. West wind around 5 mph becoming calm.
Friday
A 40 percent chance of showers and thunderstorms, mainly after 4pm. Partly sunny, with a high near 88. Northwest wind 3 to 6 mph.
Friday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 7pm. Mostly cloudy, with a low around 71. North wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%.
Saturday
A chance of showers and thunderstorms before 7am, then a chance of showers between 7am and 4pm, then a chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 86. Calm wind becoming north around 6 mph in the afternoon. Chance of precipitation is 40%.
Saturday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 68. Chance of precipitation is 30%.
Sunday
A 20 percent chance of showers after 1pm. Sunny, with a high near 87.
Sunday Night
Mostly clear, with a low around 69.
Monday
Sunny, with a high near 89.
Monday Night
Mostly clear, with a low around 70.
Tuesday
Sunny, with a high near 91.
Tuesday Night
Clear, with a low around 72.
Wednesday
Sunny, with a high near 93.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
2 Miles NNW O'Fallon MO
38.81°N 90.74°W (Elev. 499 ft)
38.81°N 90.74°W (Elev. 499 ft)
3:41 am CDT Jul 9, 2026
4am CDT Jul 9, 2026-6pm CDT Jul 15, 2026


