Hazardous Weather Conditions

Current conditions at

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

Lat: 38.93°NLon: 90.43°WElev: 436ft.

Overcast

26°F

-3°C

Humidity 78%
Wind Speed Calm
Barometer 30.16 in (1021.7 mb)
Dewpoint 20°F (-7°C)
Visibility 10.00 mi
Last update 2 Feb 12:54 am CST
Extended Forecast for

Carrollton IL

  • Overnight

    Overnight: Mostly cloudy, with a low around 21. Southwest wind 3 to 5 mph.

    Low: 21 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 33. West wind around 6 mph becoming calm  in the afternoon.

    High: 33 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 25. Calm wind becoming northeast around 6 mph after midnight.

    Low: 25 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of snow before noon.  Mostly cloudy, with a high near 31. North wind 6 to 9 mph.

    High: 31 °F

    Slight Chance
    Snow then
    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 14. North wind 3 to 5 mph.

    Low: 14 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 28.

    High: 28 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 13.

    Low: 13 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 39.

    High: 39 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 30.

    Low: 30 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 21. Southwest wind 3 to 5 mph.
Monday
Partly sunny, with a high near 33. West wind around 6 mph becoming calm in the afternoon.
Monday Night
Mostly cloudy, with a low around 25. Calm wind becoming northeast around 6 mph after midnight.
Tuesday
A 20 percent chance of snow before noon. Mostly cloudy, with a high near 31. North wind 6 to 9 mph.
Tuesday Night
Partly cloudy, with a low around 14. North wind 3 to 5 mph.
Wednesday
Mostly sunny, with a high near 28.
Wednesday Night
Partly cloudy, with a low around 13.
Thursday
Partly sunny, with a high near 39.
Thursday Night
Partly cloudy, with a low around 30.
Friday
Mostly sunny, with a high near 43.
Friday Night
Partly cloudy, with a low around 18.
Saturday
Sunny, with a high near 34.
Saturday Night
Partly cloudy, with a low around 23.
Sunday
Mostly sunny, with a high near 40.
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ABOUT THIS FORECAST

 
Point Forecast:
Carrollton IL
 39.29°N 90.4°W (Elev. 568 ft)
10:06 pm CST Feb 1, 2026
1am CST Feb 2, 2026-6pm CST Feb 8, 2026
 
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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