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.

A Few Clouds

79°F

26°C

Humidity 45%
Wind Speed SW 20 G 32 mph
Barometer 29.86 in (1010.8 mb)
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 31 Mar 12:54 pm CDT
Extended Forecast for

Fieldon IL

  • This Afternoon

    This Afternoon: A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 82. Southwest wind 14 to 18 mph, with gusts as high as 30 mph.

    High: 82 °F

    Chance
    T-storms

  • Tonight

    Tonight: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 10pm. Low around 54. Southwest wind around 7 mph becoming northeast after midnight. Chance of precipitation is 90%.

    Low: 54 °F

    T-storms

  • Wednesday

    Wednesday: Showers likely and possibly a thunderstorm before 4pm, then a chance of showers and thunderstorms after 4pm. Cloudy, with a high near 70. East wind around 9 mph. Chance of precipitation is 70%.

    High: 70 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and 4am, then a chance of showers and thunderstorms after 4am. Mostly cloudy, with a steady temperature around 67. Southeast wind 10 to 15 mph, with gusts as high as 26 mph. Chance of precipitation is 40%.

    Low: 67 °F

    Chance
    Showers

  • Thursday

    Thursday: Rain and possibly a thunderstorm. High near 75. Breezy, with a south wind 15 to 20 mph, with gusts as high as 33 mph. Chance of precipitation is 90%.

    High: 75 °F

    Rain and
    Breezy

  • Thursday Night

    Thursday Night: Rain likely and possibly a thunderstorm. Partly cloudy, with a low around 57. Chance of precipitation is 70%.

    Low: 57 °F

    Rain Likely

  • Friday

    Friday: A chance of rain, with thunderstorms also possible after 1pm. Partly sunny, with a high near 80. Chance of precipitation is 40%.

    High: 80 °F

    Chance Rain
    then Chance
    T-storms

  • Friday Night

    Friday Night: A chance of rain and thunderstorms, then rain and possibly a thunderstorm after 1am. Low around 57. Chance of precipitation is 80%.

    Low: 57 °F

    Chance
    T-storms then
    Rain

  • Saturday

    Saturday: Rain likely and possibly a thunderstorm. Mostly cloudy, with a high near 65. Chance of precipitation is 70%.

    High: 65 °F

    Rain Likely

Detailed Forecast

This Afternoon
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 82. Southwest wind 14 to 18 mph, with gusts as high as 30 mph.
Tonight
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 10pm. Low around 54. Southwest wind around 7 mph becoming northeast after midnight. Chance of precipitation is 90%.
Wednesday
Showers likely and possibly a thunderstorm before 4pm, then a chance of showers and thunderstorms after 4pm. Cloudy, with a high near 70. East wind around 9 mph. Chance of precipitation is 70%.
Wednesday Night
A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and 4am, then a chance of showers and thunderstorms after 4am. Mostly cloudy, with a steady temperature around 67. Southeast wind 10 to 15 mph, with gusts as high as 26 mph. Chance of precipitation is 40%.
Thursday
Rain and possibly a thunderstorm. High near 75. Breezy, with a south wind 15 to 20 mph, with gusts as high as 33 mph. Chance of precipitation is 90%.
Thursday Night
Rain likely and possibly a thunderstorm. Partly cloudy, with a low around 57. Chance of precipitation is 70%.
Friday
A chance of rain, with thunderstorms also possible after 1pm. Partly sunny, with a high near 80. Chance of precipitation is 40%.
Friday Night
A chance of rain and thunderstorms, then rain and possibly a thunderstorm after 1am. Low around 57. Chance of precipitation is 80%.
Saturday
Rain likely and possibly a thunderstorm. Mostly cloudy, with a high near 65. Chance of precipitation is 70%.
Saturday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 38.
Sunday
A 20 percent chance of rain. Mostly sunny, with a high near 55.
Sunday Night
Mostly clear, with a low around 34.
Monday
Sunny, with a high near 60.
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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:
11:21 am CDT Mar 31, 2026
Forecast Valid:
1pm CDT Mar 31, 2026-6pm CDT Apr 6, 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