Current conditions at
St. Louis Lambert International Airport (KSTL)
Lat: 38.75°NLon: 90.37°WElev: 604ft.
Partly Cloudy
66°F
19°C
| Humidity | 73% |
| Wind Speed | NE 8 mph |
| Barometer | 30.32 in (1025.7 mb) |
| Dewpoint | 57°F (14°C) |
| Visibility | 10.00 mi |
| Last update | 2 Aug 7:51 am CDT |
Extended Forecast for
Saint Charles MO
Today
High: 80 °F
Mostly Sunny
Tonight
Low: 59 °F
Partly Cloudy
Sunday
High: 80 °F
Mostly Sunny
Sunday Night
Low: 63 °F
Partly Cloudy
Monday
High: 82 °F
Partly Sunny
Monday Night
Low: 67 °F
Partly Cloudy
Tuesday
High: 85 °F
Mostly Sunny
then Slight
Chance
T-stormsTuesday Night
Low: 69 °F
Mostly Clear
Wednesday
High: 87 °F
Sunny
Detailed Forecast
Today
Mostly sunny, with a high near 80. Northeast wind 7 to 9 mph.
Tonight
Partly cloudy, with a low around 59. Northeast wind 3 to 7 mph.
Sunday
Mostly sunny, with a high near 80. Northeast wind 3 to 7 mph.
Sunday Night
Partly cloudy, with a low around 63. Northeast wind around 6 mph becoming calm in the evening.
Monday
Partly sunny, with a high near 82. Calm wind becoming northeast around 5 mph.
Monday Night
Partly cloudy, with a low around 67.
Tuesday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 85.
Tuesday Night
Mostly clear, with a low around 69.
Wednesday
Sunny, with a high near 87.
Wednesday Night
Mostly clear, with a low around 71.
Thursday
Sunny, with a high near 90.
Thursday Night
Mostly clear, with a low around 73.
Friday
Sunny, with a high near 92.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Saint Charles MO
38.78°N 90.54°W (Elev. 515 ft)
38.78°N 90.54°W (Elev. 515 ft)
5:26 am CDT Aug 2, 2025
8am CDT Aug 2, 2025-6pm CDT Aug 8, 2025
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