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.

Mostly Cloudy

74°F

23°C

Humidity 82%
Wind Speed E 8 mph
Barometer 29.95 in (1013.8 mb)
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Last update 20 Sep 4:54 pm CDT
Extended Forecast for

Fieldon IL

  • This Afternoon

    This Afternoon: Scattered showers and thunderstorms. Partly sunny, with a steady temperature around 79. Southeast wind around 7 mph. Chance of precipitation is 30%.

    High: 79 °F

    Scattered
    T-storms

  • Tonight

    Tonight: Scattered showers and thunderstorms. Mostly cloudy, with a low around 66. Southeast wind 3 to 6 mph. Chance of precipitation is 50%.

    Low: 66 °F

    Chance
    T-storms

  • Sunday

    Sunday: A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 82. Light southwest wind increasing to 5 to 10 mph in the morning. Chance of precipitation is 40%.

    High: 82 °F

    Chance
    Showers then
    Chance
    T-storms

  • Sunday Night

    Sunday Night: Showers and thunderstorms likely before 1am, then showers and possibly a thunderstorm between 1am and 4am, then showers after 4am. Low around 65. Southwest wind 5 to 7 mph becoming south after midnight. Chance of precipitation is 80%.

    Low: 65 °F

    Showers

  • Monday

    Monday: Showers likely, with thunderstorms also possible after 1pm. Partly sunny, with a high near 81. South wind 6 to 8 mph. Chance of precipitation is 70%.

    High: 81 °F

    Showers
    Likely

  • Monday Night

    Monday Night: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 64.

    Low: 64 °F

    Chance
    T-storms then
    Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 77. Chance of precipitation is 60%.

    High: 77 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 65. Chance of precipitation is 50%.

    Low: 65 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 74.

    High: 74 °F

    Chance
    Showers then
    Chance
    T-storms

Detailed Forecast

This Afternoon
Scattered showers and thunderstorms. Partly sunny, with a steady temperature around 79. Southeast wind around 7 mph. Chance of precipitation is 30%.
Tonight
Scattered showers and thunderstorms. Mostly cloudy, with a low around 66. Southeast wind 3 to 6 mph. Chance of precipitation is 50%.
Sunday
A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 82. Light southwest wind increasing to 5 to 10 mph in the morning. Chance of precipitation is 40%.
Sunday Night
Showers and thunderstorms likely before 1am, then showers and possibly a thunderstorm between 1am and 4am, then showers after 4am. Low around 65. Southwest wind 5 to 7 mph becoming south after midnight. Chance of precipitation is 80%.
Monday
Showers likely, with thunderstorms also possible after 1pm. Partly sunny, with a high near 81. South wind 6 to 8 mph. Chance of precipitation is 70%.
Monday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 64.
Tuesday
A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 77. Chance of precipitation is 60%.
Tuesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 65. Chance of precipitation is 50%.
Wednesday
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 74.
Wednesday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 61.
Thursday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 73.
Thursday Night
A 30 percent chance of showers. Partly cloudy, with a low around 57.
Friday
A 20 percent chance of showers. Mostly sunny, with a high near 74.
Friday Night
Partly cloudy, with a low around 57.
Saturday
Sunny, with a high near 77.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Fieldon IL
 39.11°N 90.49°W (Elev. 640 ft)
Last Update:
4:01 pm CDT Sep 20, 2025
Forecast Valid:
5pm CDT Sep 20, 2025-6pm CDT Sep 27, 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