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.

Fog/Mist

72°F

22°C

Humidity 94%
Wind Speed N 8 mph
Barometer 29.96 in (1014.2 mb)
Dewpoint 70°F (21°C)
Visibility 6.00 mi
Last update 14 Jun 9:54 am CDT
Extended Forecast for

Elsah IL

  • Today

    Today: A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 82. North wind around 9 mph.

    High: 82 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: Patchy fog after 4am. Otherwise, partly cloudy, with a low around 67. North wind 3 to 8 mph.

    Low: 67 °F

    Partly Cloudy
    then Patchy
    Fog

  • Sunday

    Sunday: Patchy fog before 7am. Otherwise, mostly sunny, with a high near 85. Northeast wind 3 to 5 mph.

    High: 85 °F

    Patchy Fog
    then Mostly
    Sunny

  • Sunday Night

    Sunday Night: A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 69. Light southeast wind.

    Low: 69 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Monday

    Monday: A slight chance of showers, then a chance of showers and thunderstorms after 10am. Partly sunny, with a high near 83. Calm wind becoming southeast around 5 mph in the afternoon. Chance of precipitation is 30%.

    High: 83 °F

    Chance
    T-storms

  • Monday Night

    Monday Night: A slight chance of thunderstorms before 7pm, then a slight chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 70. Chance of precipitation is 20%.

    Low: 70 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 88.

    High: 88 °F

    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 73.

    Low: 73 °F

    Chance
    T-storms

  • Wednesday

    Wednesday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 88. Chance of precipitation is 60%.

    High: 88 °F

    Showers
    Likely

Detailed Forecast

Today
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 82. North wind around 9 mph.
Tonight
Patchy fog after 4am. Otherwise, partly cloudy, with a low around 67. North wind 3 to 8 mph.
Sunday
Patchy fog before 7am. Otherwise, mostly sunny, with a high near 85. Northeast wind 3 to 5 mph.
Sunday Night
A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 69. Light southeast wind.
Monday
A slight chance of showers, then a chance of showers and thunderstorms after 10am. Partly sunny, with a high near 83. Calm wind becoming southeast around 5 mph in the afternoon. Chance of precipitation is 30%.
Monday Night
A slight chance of thunderstorms before 7pm, then a slight chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 70. Chance of precipitation is 20%.
Tuesday
A 30 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 88.
Tuesday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 73.
Wednesday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 88. Chance of precipitation is 60%.
Wednesday Night
A 50 percent chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 71.
Juneteenth
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 87.
Thursday Night
Mostly clear, with a low around 69.
Friday
Mostly sunny, with a high near 89.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Elsah IL
 38.96°N 90.36°W (Elev. 492 ft)
Last Update:
9:22 am CDT Jun 14, 2025
Forecast Valid:
10am CDT Jun 14, 2025-6pm CDT Jun 20, 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