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Current conditions at
St. Louis, Spirit Of St. Louis Airport (KSUS)
Lat: 38.66°NLon: 90.66°WElev: 463ft.
Partly Cloudy
48°F
9°C
| Humidity | 68% |
| Wind Speed | W 9 mph |
| Barometer | 30.06 in (1017.8 mb) |
| Dewpoint | 38°F (3°C) |
| Visibility | 10.00 mi |
| Wind Chill | 44°F (7°C) |
| Last update | 9 Jan 9:54 am CST |
Extended Forecast for
Lake St. Louis MO
Today

High: 50 °F
Mostly Cloudy
Tonight
Low: 34 °F
Partly Cloudy
then Chance
RainSaturday
High: 47 °F
Slight Chance
Rain then
SunnySaturday Night

Low: 23 °F
Partly Cloudy
Sunday

High: 38 °F
Sunny
Sunday Night

Low: 25 °F
Mostly Clear
Monday

High: 52 °F
Sunny
Monday Night

Low: 39 °F
Partly Cloudy
Tuesday

High: 56 °F
Partly Sunny
Detailed Forecast
Today
Mostly cloudy, with a high near 50. Northwest wind 5 to 8 mph becoming light and variable in the afternoon.
Tonight
A 40 percent chance of rain, mainly after 2am. Increasing clouds, with a low around 34. Calm wind becoming northwest 5 to 7 mph after midnight.
Saturday
A 20 percent chance of rain before 7am. Cloudy through mid morning, then gradual clearing, with a high near 47. West wind 8 to 14 mph, with gusts as high as 25 mph.
Saturday Night
Partly cloudy, with a low around 23. Northwest wind 11 to 14 mph, with gusts as high as 25 mph.
Sunday
Sunny, with a high near 38. Northwest wind 5 to 14 mph, with gusts as high as 25 mph.
Sunday Night
Mostly clear, with a low around 25.
Monday
Sunny, with a high near 52.
Monday Night
Partly cloudy, with a low around 39.
Tuesday
Partly sunny, with a high near 56.
Tuesday Night
Mostly cloudy, with a low around 35.
Wednesday
A 20 percent chance of rain. Mostly cloudy, with a high near 42.
Wednesday Night
Mostly cloudy, with a low around 23.
Thursday
Mostly sunny, with a high near 39.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Lake St. Louis MO
38.79°N 90.79°W (Elev. 512 ft)
38.79°N 90.79°W (Elev. 512 ft)
9:01 am CST Jan 9, 2026
10am CST Jan 9, 2026-6pm CST Jan 15, 2026


