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.

Fair and Breezy

52°F

11°C

Humidity 57%
Wind Speed N 23 G 37 mph
Barometer 30.01 in (1016.1 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Wind Chill46°F (8°C)
Last update 22 Mar 8:54 pm CDT
Extended Forecast for

3 Miles WNW Carrollton IL

  • Tonight

    Tonight: Mostly clear, with a low around 33. North wind 10 to 17 mph, with gusts as high as 31 mph.

    Low: 33 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 53. Northeast wind 8 to 14 mph, with gusts as high as 24 mph.

    High: 53 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 35. East wind around 7 mph.

    Low: 35 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 61. Southeast wind 8 to 10 mph.

    High: 61 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 42. South wind around 7 mph.

    Low: 42 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 76.

    High: 76 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 57.

    Low: 57 °F

    Partly Cloudy

  • Thursday

    Thursday: A 20 percent chance of rain and thunderstorms after 1pm. Sunny, with a high near 87.

    High: 87 °F

    Sunny then
    Slight Chance
    T-storms

  • Thursday Night

    Thursday Night: Rain likely and possibly a thunderstorm before 1am, then a chance of rain. Mostly cloudy, with a low around 40. Chance of precipitation is 60%.

    Low: 40 °F

    Rain Likely

Detailed Forecast

Tonight
Mostly clear, with a low around 33. North wind 10 to 17 mph, with gusts as high as 31 mph.
Monday
Mostly sunny, with a high near 53. Northeast wind 8 to 14 mph, with gusts as high as 24 mph.
Monday Night
Mostly cloudy, with a low around 35. East wind around 7 mph.
Tuesday
Mostly sunny, with a high near 61. Southeast wind 8 to 10 mph.
Tuesday Night
Mostly cloudy, with a low around 42. South wind around 7 mph.
Wednesday
Mostly sunny, with a high near 76.
Wednesday Night
Partly cloudy, with a low around 57.
Thursday
A 20 percent chance of rain and thunderstorms after 1pm. Sunny, with a high near 87.
Thursday Night
Rain likely and possibly a thunderstorm before 1am, then a chance of rain. Mostly cloudy, with a low around 40. Chance of precipitation is 60%.
Friday
A 30 percent chance of rain, mainly before 1pm. Partly sunny, with a high near 49.
Friday Night
Mostly clear, with a low around 29.
Saturday
Sunny, with a high near 56.
Saturday Night
Partly cloudy, with a low around 36.
Sunday
Mostly sunny, with a high near 64.
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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:
9:31 pm CDT Mar 22, 2026
Forecast Valid:
9pm CDT Mar 22, 2026-6pm CDT Mar 29, 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