Current conditions at
St. Louis Lambert International Airport (KSTL)
Lat: 38.75°NLon: 90.37°WElev: 604ft.
Fair
77°F
25°C
| Humidity | 31% |
| Wind Speed | S 5 mph |
| Barometer | 30.00 in (1015.5 mb) |
| Dewpoint | 44°F (7°C) |
| Visibility | 10.00 mi |
| Heat Index | 78°F (26°C) |
| Last update | 6 Oct 3:51 pm CDT |
Extended Forecast for
Saint Charles MO
Tonight
Low: 57 °F
Clear
Wednesday
High: 88 °F
Sunny
Wednesday Night
Low: 57 °F
Mostly Clear
Thursday
High: 82 °F
Sunny
Thursday Night
Low: 56 °F
Mostly Clear
Friday
High: 85 °F
Sunny
Friday Night
Low: 61 °F
Clear
Saturday
High: 89 °F
Sunny
Saturday Night
Low: 61 °F
Partly Cloudy
then Slight
Chance
Showers
Detailed Forecast
Tonight
Clear, with a low around 57. Calm wind becoming south around 6 mph in the evening.
Wednesday
Sunny, with a high near 88. Southwest wind 6 to 8 mph.
Wednesday Night
Mostly clear, with a low around 57. Northwest wind around 5 mph becoming calm in the evening.
Thursday
Sunny, with a high near 82. Calm wind becoming north around 5 mph.
Thursday Night
Mostly clear, with a low around 56. Light northeast wind.
Friday
Sunny, with a high near 85.
Friday Night
Clear, with a low around 61.
Saturday
Sunny, with a high near 89.
Saturday Night
A 20 percent chance of showers after 1am. Partly cloudy, with a low around 61.
Sunday
A 30 percent chance of showers before 1pm. Mostly sunny, with a high near 80.
Sunday Night
Partly cloudy, with a low around 60.
Columbus Day
Mostly sunny, with a high near 85.
Monday Night
Partly cloudy, with a low around 62.
Tuesday
A 30 percent chance of showers. Sunny, with a high near 81.
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)
2:51 pm CDT Oct 6, 2026
4pm CDT Oct 6, 2026-6pm CDT Oct 13, 2026
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