


Hazardous Weather Conditions
Current conditions at
St. Louis Lambert International Airport (KSTL)
Lat: 38.75°NLon: 90.37°WElev: 604ft.
Mostly Cloudy
68°F
20°C
Humidity | 78% |
Wind Speed | S 6 mph |
Barometer | 29.61 in (1001.6 mb) |
Dewpoint | 61°F (16°C) |
Visibility | 10.00 mi |
Last update | 20 May 8:51 am CDT |
Extended Forecast for
Saint Charles MO
Today
High: 80 °F
Chance
T-stormsTonight
Low: 54 °F
Mostly Clear
Wednesday
High: 71 °F
Sunny
Wednesday Night
Low: 50 °F
Mostly Clear
Thursday
High: 67 °F
Mostly Sunny
Thursday Night
Low: 47 °F
Mostly Clear
Friday
High: 69 °F
Mostly Sunny
Friday Night
Low: 54 °F
Slight Chance
ShowersSaturday
High: 67 °F
Chance
Showers
Detailed Forecast
Today
A 40 percent chance of showers and thunderstorms, mainly before 5pm. Mostly sunny, with a high near 80. South wind 10 to 15 mph, with gusts as high as 28 mph.
Tonight
Mostly clear, with a low around 54. West wind 9 to 13 mph, with gusts as high as 28 mph.
Wednesday
Sunny, with a high near 71. West wind 14 to 17 mph, with gusts as high as 26 mph.
Wednesday Night
Mostly clear, with a low around 50. Northwest wind 9 to 13 mph, with gusts as high as 23 mph.
Thursday
Mostly sunny, with a high near 67. Northwest wind around 11 mph, with gusts as high as 22 mph.
Thursday Night
Mostly clear, with a low around 47.
Friday
Mostly sunny, with a high near 69.
Friday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 54.
Saturday
A 50 percent chance of showers. Partly sunny, with a high near 67.
Saturday Night
Showers likely, mainly after 1am. Mostly cloudy, with a low around 55. Chance of precipitation is 60%.
Sunday
Showers likely. Mostly cloudy, with a high near 68. Chance of precipitation is 60%.
Sunday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 54. Chance of precipitation is 60%.
Memorial Day
Showers and thunderstorms likely. Mostly cloudy, with a high near 68. Chance of precipitation is 60%.
Additional Forecasts and Information
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ABOUT 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)
5:52 am CDT May 20, 2025
10am CDT May 20, 2025-6pm CDT May 26, 2025