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.

Overcast

70°F

21°C

Humidity 73%
Wind Speed SW 16 G 24 mph
Barometer 29.57 in (1000.8 mb)
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 28 Dec 10:54 am CST
Extended Forecast for

3 Miles WNW Carrollton IL

Wind Advisory December 28, 03:00pm until December 29, 06:00am
Click here for hazard details and duration
Wind Advisory

  • Today

    Today: A chance of rain and thunderstorms. Cloudy, with a temperature falling to around 43 by 5pm. Breezy, with a southwest wind 15 to 24 mph becoming west in the afternoon. Winds could gust as high as 38 mph. Chance of precipitation is 40%.

    High: 68 °F⇓

    Chance
    T-storms and
    Breezy

  • Tonight

    Tonight: A slight chance of rain between 8pm and 9pm. Cloudy, then gradually becoming partly cloudy, with a low around 16. Breezy, with a west wind 25 to 28 mph, with gusts as high as 45 mph. Chance of precipitation is 20%.

    Low: 16 °F

    Breezy.
    Slight Chance
    Rain then
    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 27. Breezy, with a northwest wind 16 to 25 mph, with gusts as high as 39 mph.

    High: 27 °F

    Partly Sunny
    and Breezy

  • Monday Night

    Monday Night: Mostly clear, with a low around 15. Northwest wind 9 to 15 mph, with gusts as high as 25 mph.

    Low: 15 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 34. West wind around 9 mph.

    High: 34 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 25.

    Low: 25 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 41.

    High: 41 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 23.

    Low: 23 °F

    Partly Cloudy

  • New Year's Day

    New Year's Day: Mostly sunny, with a high near 36.

    High: 36 °F

    Mostly Sunny

Detailed Forecast

Today
A chance of rain and thunderstorms. Cloudy, with a temperature falling to around 43 by 5pm. Breezy, with a southwest wind 15 to 24 mph becoming west in the afternoon. Winds could gust as high as 38 mph. Chance of precipitation is 40%.
Tonight
A slight chance of rain between 8pm and 9pm. Cloudy, then gradually becoming partly cloudy, with a low around 16. Breezy, with a west wind 25 to 28 mph, with gusts as high as 45 mph. Chance of precipitation is 20%.
Monday
Partly sunny, with a high near 27. Breezy, with a northwest wind 16 to 25 mph, with gusts as high as 39 mph.
Monday Night
Mostly clear, with a low around 15. Northwest wind 9 to 15 mph, with gusts as high as 25 mph.
Tuesday
Mostly sunny, with a high near 34. West wind around 9 mph.
Tuesday Night
Partly cloudy, with a low around 25.
Wednesday
Partly sunny, with a high near 41.
Wednesday Night
Partly cloudy, with a low around 23.
New Year's Day
Mostly sunny, with a high near 36.
Thursday Night
Mostly clear, with a low around 19.
Friday
Mostly sunny, with a high near 41.
Friday Night
Partly cloudy, with a low around 27.
Saturday
Partly sunny, with a high near 46.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WNW Carrollton IL
 39.29°N 90.46°W (Elev. 607 ft)
Last Update:
10:41 am CST Dec 28, 2025
Forecast Valid:
11am CST Dec 28, 2025-6pm CST Jan 3, 2026
 
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