Hazardous Weather Conditions
Current conditions at
St. Louis, Spirit Of St. Louis Airport (KSUS)
Lat: 38.66°NLon: 90.66°WElev: 463ft.
Fog/Mist
36°F
2°C
| Humidity | 100% |
| Wind Speed | Calm |
| Barometer | 30.47 in (1032.1 mb) |
| Dewpoint | 36°F (2°C) |
| Visibility | 2.50 mi |
| Last update | 18 Oct 5:54 am CDT |
Extended Forecast for
Lake St. Louis MO
Frost Advisory until October 18, 09:00am
NOW until 9:00am Sun
Frost Advisory
Today
High: 69 °F
Sunny
Tonight
Low: 40 °F
Clear
Monday
High: 71 °F
Sunny
Monday Night
Low: 41 °F
Mostly Clear
Tuesday
High: 73 °F
Sunny
Tuesday Night
Low: 43 °F
Mostly Clear
Wednesday
High: 77 °F
Sunny
Wednesday Night
Low: 46 °F
Mostly Clear
Detailed Forecast
Today
Sunny, with a high near 69. Calm wind becoming south around 6 mph in the morning.
Tonight
Clear, with a low around 40. Light south wind.
Monday
Sunny, with a high near 71. Calm wind.
Monday Night
Mostly clear, with a low around 41. Calm wind.
Tuesday
Sunny, with a high near 73. Calm wind.
Tuesday Night
Mostly clear, with a low around 43.
Wednesday
Sunny, with a high near 77.
Wednesday Night
Mostly clear, with a low around 46.
Thursday
Sunny, with a high near 80.
Thursday Night
Mostly clear, with a low around 47.
Friday
Sunny, with a high near 80.
Friday Night
Mostly clear, with a low around 48.
Saturday
Mostly sunny, with a high near 80.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Lake St. Louis MO
38.77°N 90.79°W (Elev. 600 ft)
38.77°N 90.79°W (Elev. 600 ft)
6:26 am CDT Oct 18, 2026
6am CDT Oct 18, 2026-6pm CDT Oct 24, 2026
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