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

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

Lat: 38.93°NLon: 90.43°WElev: 436ft.

A Few Clouds

47°F

8°C

Humidity 69%
Wind Speed NW 15 mph
Barometer 30.06 in (1017.8 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Wind Chill41°F (5°C)
Last update 9 Jan 9:54 am CST
Extended Forecast for

5 Miles SW Kane IL

  • Today

    Today: Mostly cloudy, with a high near 48. Northwest wind 5 to 10 mph becoming northeast in the afternoon.

    High: 48 °F

    Mostly Cloudy

  • Tonight

    Tonight: A 40 percent chance of rain, mainly after 3am. Increasing clouds, with a low around 34. Light and variable wind becoming northwest 5 to 9 mph after midnight.

    Low: 34 °F

    Partly Cloudy
    then Chance
    Rain

  • Saturday

    Saturday: A 20 percent chance of rain before 7am. Cloudy through mid morning, then gradual clearing, with a high near 45. West wind 10 to 16 mph, with gusts as high as 25 mph.

    High: 45 °F

    Slight Chance
    Rain then
    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 23. Northwest wind 14 to 16 mph, with gusts as high as 25 mph.

    Low: 23 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 35. Northwest wind 7 to 16 mph, with gusts as high as 25 mph.

    High: 35 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 25.

    Low: 25 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 50.

    High: 50 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 37.

    Low: 37 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 53.

    High: 53 °F

    Partly Sunny

Detailed Forecast

Today
Mostly cloudy, with a high near 48. Northwest wind 5 to 10 mph becoming northeast in the afternoon.
Tonight
A 40 percent chance of rain, mainly after 3am. Increasing clouds, with a low around 34. Light and variable wind becoming northwest 5 to 9 mph after midnight.
Saturday
A 20 percent chance of rain before 7am. Cloudy through mid morning, then gradual clearing, with a high near 45. West wind 10 to 16 mph, with gusts as high as 25 mph.
Saturday Night
Partly cloudy, with a low around 23. Northwest wind 14 to 16 mph, with gusts as high as 25 mph.
Sunday
Sunny, with a high near 35. Northwest wind 7 to 16 mph, with gusts as high as 25 mph.
Sunday Night
Mostly clear, with a low around 25.
Monday
Sunny, with a high near 50.
Monday Night
Partly cloudy, with a low around 37.
Tuesday
Partly sunny, with a high near 53.
Tuesday Night
A 20 percent chance of rain before midnight. Mostly cloudy, with a low around 35.
Wednesday
A slight chance of rain and snow. Mostly cloudy, with a high near 40. Chance of precipitation is 20%.
Wednesday Night
Mostly cloudy, with a low around 23.
Thursday
Mostly sunny, with a high near 37.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SW Kane IL
 39.13°N 90.41°W (Elev. 600 ft)
Last Update:
9:01 am CST Jan 9, 2026
Forecast Valid:
10am CST Jan 9, 2026-6pm CST Jan 15, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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