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.

Overcast

41°F

5°C

Humidity 70%
Wind Speed NE 12 mph
Barometer 30.41 in (1029.9 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Wind Chill34°F (1°C)
Last update 7 Apr 6:54 am CDT
Extended Forecast for

4 Miles NNE Fieldon IL

  • Today

    Today: A 30 percent chance of rain, mainly before 8am. Cloudy, then gradually becoming mostly sunny, with a high near 53. East wind 10 to 13 mph, with gusts as high as 20 mph.

    High: 53 °F

    Chance Rain
    then Partly
    Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 39. East wind around 11 mph, with gusts as high as 20 mph.

    Low: 39 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 72. South wind 11 to 15 mph, with gusts as high as 28 mph.

    High: 72 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 54. South wind around 11 mph, with gusts as high as 22 mph.

    Low: 54 °F

    Partly Cloudy

  • Thursday

    Thursday: A 20 percent chance of showers after 1pm. Mostly sunny, with a high near 76. Southwest wind around 10 mph.

    High: 76 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Thursday Night

    Thursday Night: A 30 percent chance of showers after 1am. Mostly cloudy, with a low around 57.

    Low: 57 °F

    Mostly Cloudy
    then Chance
    Showers

  • Friday

    Friday: Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 68. Chance of precipitation is 60%.

    High: 68 °F

    Showers
    Likely

  • Friday Night

    Friday Night: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 53.

    Low: 53 °F

    Chance
    Showers

  • Saturday

    Saturday: A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 72.

    High: 72 °F

    Chance
    Showers then
    Chance
    T-storms

Detailed Forecast

Today
A 30 percent chance of rain, mainly before 8am. Cloudy, then gradually becoming mostly sunny, with a high near 53. East wind 10 to 13 mph, with gusts as high as 20 mph.
Tonight
Mostly cloudy, with a low around 39. East wind around 11 mph, with gusts as high as 20 mph.
Wednesday
Mostly sunny, with a high near 72. South wind 11 to 15 mph, with gusts as high as 28 mph.
Wednesday Night
Partly cloudy, with a low around 54. South wind around 11 mph, with gusts as high as 22 mph.
Thursday
A 20 percent chance of showers after 1pm. Mostly sunny, with a high near 76. Southwest wind around 10 mph.
Thursday Night
A 30 percent chance of showers after 1am. Mostly cloudy, with a low around 57.
Friday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 68. Chance of precipitation is 60%.
Friday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 53.
Saturday
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 72.
Saturday Night
Mostly cloudy, with a low around 59.
Sunday
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 79.
Sunday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 63.
Monday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 82.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NNE Fieldon IL
 39.16°N 90.46°W (Elev. 600 ft)
Last Update:
5:21 am CDT Apr 7, 2026
Forecast Valid:
7am CDT Apr 7, 2026-6pm CDT Apr 13, 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