National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

St. Charles, St. Charles County Smartt Airport (KSET)

Lat: 38.93°NLon: 90.43°WElev: 436ft.

Fair

72°F

22°C

Humidity 94%
Wind Speed E 5 mph
Barometer 29.80 in (1008.7 mb)
Dewpoint 70°F (21°C)
Visibility 9.00 mi
Last update 18 Jun 6:54 am CDT
Extended Forecast for

2 Miles WNW Elsah IL

  • Today

    Today: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 83. Southwest wind 7 to 16 mph, with gusts as high as 24 mph.

    High: 83 °F

    Chance
    T-storms

  • Tonight

    Tonight: A chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and midnight. Mostly cloudy, with a low around 67. West wind 6 to 10 mph. Chance of precipitation is 40%.

    Low: 67 °F

    Chance
    T-storms then
    Partly Cloudy

  • Juneteenth

    Juneteenth: Sunny, with a high near 85. Northwest wind 6 to 9 mph.

    High: 85 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 68. Light and variable wind.

    Low: 68 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 92. Light south wind increasing to 5 to 9 mph in the morning.

    High: 92 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 76.

    Low: 76 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 95.

    High: 95 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 77.

    Low: 77 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 96.

    High: 96 °F

    Sunny

Detailed Forecast

Today
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 83. Southwest wind 7 to 16 mph, with gusts as high as 24 mph.
Tonight
A chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and midnight. Mostly cloudy, with a low around 67. West wind 6 to 10 mph. Chance of precipitation is 40%.
Juneteenth
Sunny, with a high near 85. Northwest wind 6 to 9 mph.
Thursday Night
Mostly clear, with a low around 68. Light and variable wind.
Friday
Sunny, with a high near 92. Light south wind increasing to 5 to 9 mph in the morning.
Friday Night
Mostly clear, with a low around 76.
Saturday
Sunny, with a high near 95.
Saturday Night
Mostly clear, with a low around 77.
Sunday
Sunny, with a high near 96.
Sunday Night
Mostly clear, with a low around 78.
Monday
Sunny, with a high near 95.
Monday Night
Mostly clear, with a low around 76.
Tuesday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 93.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WNW Elsah IL
 38.96°N 90.39°W (Elev. 407 ft)
Last Update:
5:21 am CDT Jun 18, 2025
Forecast Valid:
7am CDT Jun 18, 2025-6pm CDT Jun 24, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation