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.

A Few Clouds

50°F

10°C

Humidity 57%
Wind Speed SW 14 mph
Barometer 29.57 in (1001.2 mb)
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Wind Chill45°F (7°C)
Last update 10 Dec 12:54 am CST
Extended Forecast for

Elsah IL

Wind Advisory December 10, 03:00am until December 10, 12:00pm
Click here for hazard details and duration
Wind Advisory

  • Overnight

    Overnight: A 20 percent chance of rain before 3am. Mostly cloudy, with a low around 37. West wind 15 to 18 mph, with gusts as high as 30 mph.

    Low: 37 °F

    Slight Chance
    Rain

  • Wednesday

    Wednesday: Increasing clouds, with a temperature falling to around 32 by 5pm. Breezy, with a northwest wind 14 to 23 mph, with gusts as high as 46 mph.

    High: 40 °F⇓

    Increasing
    Clouds and
    Breezy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 24. Northwest wind 5 to 10 mph becoming light after midnight.

    Low: 24 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 38. Calm wind becoming south 5 to 7 mph in the morning.

    High: 38 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 31. Southeast wind around 7 mph becoming west after midnight.

    Low: 31 °F

    Slight Chance
    Snow then
    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 41.

    High: 41 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 20.

    Low: 20 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 31.

    High: 31 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 8.

    Low: 8 °F

    Mostly Cloudy

Detailed Forecast

Overnight
A 20 percent chance of rain before 3am. Mostly cloudy, with a low around 37. West wind 15 to 18 mph, with gusts as high as 30 mph.
Wednesday
Increasing clouds, with a temperature falling to around 32 by 5pm. Breezy, with a northwest wind 14 to 23 mph, with gusts as high as 46 mph.
Wednesday Night
Mostly cloudy, with a low around 24. Northwest wind 5 to 10 mph becoming light after midnight.
Thursday
Mostly cloudy, with a high near 38. Calm wind becoming south 5 to 7 mph in the morning.
Thursday Night
A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 31. Southeast wind around 7 mph becoming west after midnight.
Friday
Partly sunny, with a high near 41.
Friday Night
Mostly cloudy, with a low around 20.
Saturday
Mostly cloudy, with a high near 31.
Saturday Night
Mostly cloudy, with a low around 8.
Sunday
Sunny, with a high near 23.
Sunday Night
Partly cloudy, with a low around 12.
Monday
Partly sunny, with a high near 37.
Monday Night
Mostly cloudy, with a low around 24.
Tuesday
Mostly sunny, with a high near 40.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Elsah IL
 38.93°N 90.36°W (Elev. 407 ft)
Last Update:
1:11 am CST Dec 10, 2025
Forecast Valid:
1am CST Dec 10, 2025-6pm CST Dec 16, 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