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

43°F

6°C

Humidity 89%
Wind Speed Calm
Barometer 30.15 in (1021.2 mb)
Dewpoint 40°F (4°C)
Visibility 10.00 mi
Last update 1 Nov 6:54 pm CDT
Extended Forecast for

Kane IL

Freeze Warning November 2, 01:00am until November 2, 07:00am
Click here for hazard details and duration
Freeze Warning

  • Tonight

    Tonight: A 20 percent chance of rain before 10pm. Widespread frost, mainly after 1am. Otherwise, mostly clear, with a low around 28. Light northwest wind.

    Low: 28 °F

    Slight Chance
    Rain then
    Frost

  • Sunday

    Sunday: Patchy fog before 10am. Widespread frost, mainly before 9am. Otherwise, sunny, with a high near 54. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 54 °F

    Frost and
    Patchy Fog
    then Sunny

  • Sunday Night

    Sunday Night: Areas of frost after 4am. Otherwise, mostly clear, with a low around 36. South wind 3 to 6 mph.

    Low: 36 °F

    Clear then
    Areas Frost

  • Monday

    Monday: Areas of frost before 8am. Otherwise, sunny, with a high near 63. South wind 6 to 8 mph becoming west in the afternoon.

    High: 63 °F

    Areas Frost
    then Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 39. Calm wind.

    Low: 39 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 68.

    High: 68 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 47.

    Low: 47 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 67.

    High: 67 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 39.

    Low: 39 °F

    Mostly Clear

Detailed Forecast

Tonight
A 20 percent chance of rain before 10pm. Widespread frost, mainly after 1am. Otherwise, mostly clear, with a low around 28. Light northwest wind.
Sunday
Patchy fog before 10am. Widespread frost, mainly before 9am. Otherwise, sunny, with a high near 54. Calm wind becoming southwest around 5 mph in the afternoon.
Sunday Night
Areas of frost after 4am. Otherwise, mostly clear, with a low around 36. South wind 3 to 6 mph.
Monday
Areas of frost before 8am. Otherwise, sunny, with a high near 63. South wind 6 to 8 mph becoming west in the afternoon.
Monday Night
Partly cloudy, with a low around 39. Calm wind.
Tuesday
Mostly sunny, with a high near 68.
Tuesday Night
Partly cloudy, with a low around 47.
Wednesday
Sunny, with a high near 67.
Wednesday Night
Mostly clear, with a low around 39.
Thursday
Mostly sunny, with a high near 65.
Thursday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 51.
Friday
A 20 percent chance of rain and thunderstorms. Mostly sunny, with a high near 69.
Friday Night
Partly cloudy, with a low around 46.
Saturday
A 20 percent chance of rain. Mostly sunny, with a high near 67.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Kane IL
 39.2°N 90.38°W (Elev. 551 ft)
Last Update:
6:26 pm CDT Nov 1, 2025
Forecast Valid:
7pm CDT Nov 1, 2025-6pm CST Nov 8, 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