


Hazardous Weather Conditions
Current conditions at
St. Charles, St. Charles County Smartt Airport (KSET)
Lat: 38.93°NLon: 90.43°WElev: 436ft.
Mostly Cloudy
84°F
29°C
Humidity | 74% |
Wind Speed | SE 10 mph |
Barometer | 29.93 in (1012.9 mb) |
Dewpoint | 75°F (24°C) |
Visibility | 10.00 mi |
Heat Index | 92°F (33°C) |
Last update | 15 Jul 3:54 pm CDT |
Extended Forecast for
Elsah IL
This Afternoon
High: 88 °F
Chance
T-stormsTonight
Low: 73 °F
Slight Chance
T-storms then
Partly CloudyWednesday
High: 94 °F
Slight Chance
Showers then
Chance
T-stormsWednesday Night
Low: 75 °F
Chance
T-stormsThursday
High: 88 °F
Slight Chance
T-storms then
Chance
T-stormsThursday Night
Low: 70 °F
Chance
T-stormsFriday
High: 85 °F
Chance
T-stormsFriday Night
Low: 73 °F
Slight Chance
T-stormsSaturday
High: 91 °F
Chance
T-storms
Detailed Forecast
This Afternoon
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 88. Southeast wind around 6 mph.
Tonight
A 20 percent chance of showers and thunderstorms before 8pm. Cloudy, then gradually becoming partly cloudy, with a low around 73. South wind around 5 mph becoming light and variable in the evening.
Wednesday
A slight chance of showers, then a chance of showers and thunderstorms after noon. Sunny, with a high near 94. Heat index values as high as 103. Light southwest wind increasing to 5 to 10 mph in the morning. Chance of precipitation is 30%.
Wednesday Night
A 30 percent chance of showers and thunderstorms, mainly before 7pm. Partly cloudy, with a low around 75. Southwest wind around 6 mph.
Thursday
A 50 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 88. West wind 6 to 8 mph.
Thursday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 70.
Friday
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 85.
Friday Night
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 73.
Saturday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 91.
Saturday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 75.
Sunday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 93.
Sunday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 74.
Monday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 91.
Monday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 75.
Tuesday
Sunny, with a high near 95.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Elsah IL
38.93°N 90.36°W (Elev. 407 ft)
38.93°N 90.36°W (Elev. 407 ft)
2:36 pm CDT Jul 15, 2025
4pm CDT Jul 15, 2025-6pm CDT Jul 22, 2025