News Headlines
Hazardous Weather Conditions
Current conditions at
St. Louis, Spirit Of St. Louis Airport (KSUS)
Lat: 38.66°NLon: 90.66°WElev: 463ft.
Fair
48°F
9°C
| Humidity | 32% |
| Wind Speed | W 16 G 25 mph |
| Barometer | 30.12 in (1020.4 mb) |
| Dewpoint | 19°F (-7°C) |
| Visibility | 10.00 mi |
| Wind Chill | 42°F (6°C) |
| Last update | 10 Jan 2:54 pm CST |
Extended Forecast for
Lake St. Louis MO
Tonight
Low: 25 °F
Chance
Showers then
Chance
Flurries and
BlusterySunday

High: 39 °F
Sunny
Sunday Night

Low: 27 °F
Clear
Monday

High: 53 °F
Sunny
Monday Night

Low: 37 °F
Partly Cloudy
Tuesday

High: 58 °F
Partly Sunny
Tuesday Night

Low: 37 °F
Mostly Cloudy
Wednesday

High: 44 °F
Mostly Cloudy
Wednesday Night

Low: 20 °F
Partly Cloudy
Detailed Forecast
Tonight
A chance of rain showers before midnight, then a chance of flurries between midnight and 4am. Mostly cloudy, then gradually becoming mostly clear, with a low around 25. Blustery, with a northwest wind 8 to 13 mph increasing to 15 to 20 mph after midnight. Winds could gust as high as 36 mph. Chance of precipitation is 50%.
Sunday
Sunny, with a high near 39. Northwest wind 6 to 15 mph, with gusts as high as 28 mph.
Sunday Night
Clear, with a low around 27. Calm wind becoming southwest 5 to 8 mph after midnight.
Monday
Sunny, with a high near 53. West wind 5 to 9 mph.
Monday Night
Partly cloudy, with a low around 37. Light southwest wind increasing to 5 to 10 mph in the evening. Winds could gust as high as 21 mph.
Tuesday
Partly sunny, with a high near 58.
Tuesday Night
Mostly cloudy, with a low around 37.
Wednesday
Mostly cloudy, with a high near 44.
Wednesday Night
Partly cloudy, with a low around 20.
Thursday
Mostly sunny, with a high near 40.
Thursday Night
Partly cloudy, with a low around 30.
Friday
Partly sunny, with a high near 44.
Friday Night
Partly cloudy, with a low around 22.
Saturday
Partly sunny, with a high near 34.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
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)
3:16 pm CST Jan 10, 2026
3pm CST Jan 10, 2026-6pm CST Jan 17, 2026



