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

52°F

11°C

Humidity 77%
Wind Speed E 12 mph
Barometer 29.53 in (999.7 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Wind Chill48°F (9°C)
Last update 15 Mar 4:54 am CDT
Extended Forecast for

Elsah IL

Wind Advisory March 15, 10:00am until March 16, 12:00pm
Click here for hazard details and duration
Wind Advisory

  • Today

    Today: A chance of rain and thunderstorms, then rain and possibly a thunderstorm after 2pm. High near 67. Breezy, with a southeast wind 15 to 22 mph becoming southwest in the afternoon. Winds could gust as high as 41 mph. Chance of precipitation is 90%.

    High: 67 °F

    Breezy.
    Chance
    T-storms then
    Rain

  • Tonight

    Tonight: Rain and snow likely before 1am, then a chance of snow. Mostly cloudy, with a low around 20. Breezy, with a northwest wind 23 to 26 mph, with gusts as high as 46 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 20 °F

    Rain/Snow
    Likely and
    Breezy then
    Chance Snow
    and Blustery

  • Monday

    Monday: A slight chance of snow between 7am and 1pm. Partly sunny, with a high near 30. Blustery, with a northwest wind 22 to 26 mph, with gusts as high as 43 mph. Chance of precipitation is 20%.

    High: 30 °F

    Slight Chance
    Snow and
    Blustery

  • Monday Night

    Monday Night: Mostly clear, with a low around 13. Northwest wind 10 to 18 mph, with gusts as high as 26 mph.

    Low: 13 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 37. Northwest wind around 7 mph becoming south in the afternoon.

    High: 37 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A chance of snow before 4am, then a chance of rain. Mostly cloudy, with a steady temperature around 36. Chance of precipitation is 30%.

    Low: 36 °F

    Slight Chance
    Snow then
    Chance
    Rain/Snow

  • Wednesday

    Wednesday: A 30 percent chance of rain before 7am. Mostly sunny, with a high near 63.

    High: 63 °F

    Chance Rain
    then Mostly
    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 42.

    Low: 42 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 71.

    High: 71 °F

    Sunny

Detailed Forecast

Today
A chance of rain and thunderstorms, then rain and possibly a thunderstorm after 2pm. High near 67. Breezy, with a southeast wind 15 to 22 mph becoming southwest in the afternoon. Winds could gust as high as 41 mph. Chance of precipitation is 90%.
Tonight
Rain and snow likely before 1am, then a chance of snow. Mostly cloudy, with a low around 20. Breezy, with a northwest wind 23 to 26 mph, with gusts as high as 46 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Monday
A slight chance of snow between 7am and 1pm. Partly sunny, with a high near 30. Blustery, with a northwest wind 22 to 26 mph, with gusts as high as 43 mph. Chance of precipitation is 20%.
Monday Night
Mostly clear, with a low around 13. Northwest wind 10 to 18 mph, with gusts as high as 26 mph.
Tuesday
Mostly sunny, with a high near 37. Northwest wind around 7 mph becoming south in the afternoon.
Tuesday Night
A chance of snow before 4am, then a chance of rain. Mostly cloudy, with a steady temperature around 36. Chance of precipitation is 30%.
Wednesday
A 30 percent chance of rain before 7am. Mostly sunny, with a high near 63.
Wednesday Night
Partly cloudy, with a low around 42.
Thursday
Sunny, with a high near 71.
Thursday Night
Mostly clear, with a low around 44.
Friday
Mostly sunny, with a high near 76.
Friday Night
Mostly cloudy, with a low around 48.
Saturday
Mostly sunny, with a high near 69.
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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:
4:41 am CDT Mar 15, 2026
Forecast Valid:
5am CDT Mar 15, 2026-6pm CDT Mar 21, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation