


Hazardous Weather Conditions
Current conditions at
St. Charles, St. Charles County Smartt Airport (KSET)
Lat: 38.93°NLon: 90.43°WElev: 436ft.
Fair
91°F
33°C
Humidity | 56% |
Wind Speed | N 10 mph |
Barometer | 29.95 in (1013.5 mb) |
Dewpoint | 73°F (23°C) |
Visibility | 10.00 mi |
Heat Index | 100°F (38°C) |
Last update | 19 Aug 4:54 pm CDT |
Extended Forecast for
Elsah IL
This Afternoon
High: 92 °F
Slight Chance
T-stormsTonight
Low: 71 °F
Partly Cloudy
Wednesday
High: 86 °F
Mostly Sunny
Wednesday Night
Low: 65 °F
Mostly Clear
Thursday
High: 84 °F
Sunny
Thursday Night
Low: 64 °F
Mostly Clear
Friday
High: 86 °F
Sunny
Friday Night
Low: 66 °F
Mostly Clear
Saturday
High: 87 °F
Mostly Sunny
Detailed Forecast
This Afternoon
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 92. Heat index values as high as 101. North wind around 8 mph.
Tonight
Partly cloudy, with a low around 71. North wind 6 to 8 mph.
Wednesday
Mostly sunny, with a high near 86. North wind 6 to 10 mph.
Wednesday Night
Mostly clear, with a low around 65. Northeast wind 6 to 8 mph.
Thursday
Sunny, with a high near 84. Northeast wind 6 to 9 mph.
Thursday Night
Mostly clear, with a low around 64.
Friday
Sunny, with a high near 86.
Friday Night
Mostly clear, with a low around 66.
Saturday
Mostly sunny, with a high near 87.
Saturday Night
Mostly clear, with a low around 61.
Sunday
Sunny, with a high near 80.
Sunday Night
Mostly clear, with a low around 57.
Monday
Sunny, with a high near 76.
Monday Night
Partly cloudy, with a low around 56.
Tuesday
Mostly sunny, with a high near 77.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Elsah IL
38.96°N 90.36°W (Elev. 492 ft)
38.96°N 90.36°W (Elev. 492 ft)
4:16 pm CDT Aug 19, 2025
5pm CDT Aug 19, 2025-6pm CDT Aug 26, 2025