Current conditions at
St. Louis Lambert International Airport (KSTL)
Lat: 38.75°NLon: 90.37°WElev: 604ft.
Mostly Cloudy
82°F
28°C
| Humidity | 38% |
| Wind Speed | NE 5 mph |
| Barometer | 30.06 in (1016.9 mb) |
| Dewpoint | 54°F (12°C) |
| Visibility | 10.00 mi |
| Heat Index | 81°F (27°C) |
| Last update | 30 Sep 7:51 pm CDT |
Extended Forecast for
Saint Charles MO
Tonight
Low: 62 °F
Partly Cloudy
Wednesday
High: 86 °F
Mostly Sunny
Wednesday Night
Low: 63 °F
Mostly Cloudy
Thursday
High: 88 °F
Sunny
Thursday Night
Low: 65 °F
Mostly Clear
Friday
High: 87 °F
Sunny
Friday Night
Low: 63 °F
Clear
Saturday
High: 85 °F
Sunny
Saturday Night
Low: 62 °F
Clear
Detailed Forecast
Tonight
Partly cloudy, with a low around 62. East wind 3 to 5 mph.
Wednesday
Mostly sunny, with a high near 86. East wind 3 to 6 mph.
Wednesday Night
Mostly cloudy, with a low around 63. Southeast wind 3 to 6 mph.
Thursday
Sunny, with a high near 88. Calm wind becoming southeast around 5 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 65. Light southeast wind.
Friday
Sunny, with a high near 87.
Friday Night
Clear, with a low around 63.
Saturday
Sunny, with a high near 85.
Saturday Night
Clear, with a low around 62.
Sunday
Sunny, with a high near 86.
Sunday Night
Mostly clear, with a low around 64.
Monday
Sunny, with a high near 84.
Monday Night
Mostly clear, with a low around 63.
Tuesday
A 20 percent chance of showers. Mostly sunny, with a high near 79.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Saint Charles MO
38.78°N 90.51°W (Elev. 597 ft)
38.78°N 90.51°W (Elev. 597 ft)
8:11 pm CDT Sep 30, 2025
8pm CDT Sep 30, 2025-6pm CDT Oct 7, 2025
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