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

58°F

14°C

Humidity 62%
Wind Speed N 3 mph
Barometer 30.05 in (1017.2 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Last update 13 May 9:54 pm CDT
Extended Forecast for

2 Miles NNE Fieldon IL

  • Tonight

    Tonight: Clear, with a low around 45. Light and variable wind.

    Low: 45 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 74. Southeast wind 3 to 8 mph.

    High: 74 °F

    Sunny

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 4am. Mostly cloudy, with a low around 55. Southeast wind around 11 mph, with gusts as high as 21 mph. Chance of precipitation is 60%.

    Low: 55 °F

    Mostly Cloudy
    then Showers
    Likely

  • Friday

    Friday: Showers likely and possibly a thunderstorm before 7am, then a chance of showers and thunderstorms between 7am and 1pm. Cloudy through mid morning, then gradual clearing, with a high near 83. South wind 11 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.

    High: 83 °F

    Showers
    Likely

  • Friday Night

    Friday Night: A 40 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 64. South wind 7 to 9 mph.

    Low: 64 °F

    Partly Cloudy
    then Chance
    T-storms

  • Saturday

    Saturday: Showers likely and possibly a thunderstorm. Partly sunny, with a high near 84. Chance of precipitation is 70%.

    High: 84 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: A 30 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 64.

    Low: 64 °F

    Chance
    T-storms

  • Sunday

    Sunday: Mostly sunny, with a high near 86.

    High: 86 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A 20 percent chance of showers and thunderstorms after 1am. Mostly clear, with a low around 70.

    Low: 70 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

Detailed Forecast

Tonight
Clear, with a low around 45. Light and variable wind.
Thursday
Sunny, with a high near 74. Southeast wind 3 to 8 mph.
Thursday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 4am. Mostly cloudy, with a low around 55. Southeast wind around 11 mph, with gusts as high as 21 mph. Chance of precipitation is 60%.
Friday
Showers likely and possibly a thunderstorm before 7am, then a chance of showers and thunderstorms between 7am and 1pm. Cloudy through mid morning, then gradual clearing, with a high near 83. South wind 11 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.
Friday Night
A 40 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 64. South wind 7 to 9 mph.
Saturday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 84. Chance of precipitation is 70%.
Saturday Night
A 30 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 64.
Sunday
Mostly sunny, with a high near 86.
Sunday Night
A 20 percent chance of showers and thunderstorms after 1am. Mostly clear, with a low around 70.
Monday
A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 88.
Monday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 68. Chance of precipitation is 70%.
Tuesday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 79. Chance of precipitation is 70%.
Tuesday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 61.
Wednesday
A 30 percent chance of showers. Partly sunny, with a high near 75.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NNE Fieldon IL
 39.14°N 90.49°W (Elev. 600 ft)
Last Update:
9:36 pm CDT May 13, 2026
Forecast Valid:
10pm CDT May 13, 2026-6pm CDT May 20, 2026
 
Forecast Discussion
 
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Additional Resources

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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