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

90°F

32°C

Humidity 35%
Wind Speed S 12 mph
Barometer 30.13 in (1019.7 mb)
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Heat Index89°F (32°C)
Last update 3 Oct 3:54 pm CDT
Extended Forecast for

2 Miles ENE Fieldon IL

  • This Afternoon

    This Afternoon: A 20 percent chance of showers. Sunny, with a high near 89. Southwest wind around 6 mph.

    High: 89 °F

    Slight Chance
    Showers

  • Tonight

    Tonight: Mostly clear, with a low around 63. South wind around 6 mph.

    Low: 63 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 85. South wind 5 to 11 mph.

    High: 85 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 59. South wind 6 to 8 mph.

    Low: 59 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 85. South wind 7 to 13 mph, with gusts as high as 21 mph.

    High: 85 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 63.

    Low: 63 °F

    Mostly Clear

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 84.

    High: 84 °F

    Sunny then
    Slight Chance
    T-storms

  • Monday Night

    Monday Night: A 40 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 63.

    Low: 63 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Tuesday

    Tuesday: A 30 percent chance of showers, mainly before 1pm. Partly sunny, with a high near 77.

    High: 77 °F

    Chance
    Showers

Detailed Forecast

This Afternoon
A 20 percent chance of showers. Sunny, with a high near 89. Southwest wind around 6 mph.
Tonight
Mostly clear, with a low around 63. South wind around 6 mph.
Saturday
Sunny, with a high near 85. South wind 5 to 11 mph.
Saturday Night
Clear, with a low around 59. South wind 6 to 8 mph.
Sunday
Sunny, with a high near 85. South wind 7 to 13 mph, with gusts as high as 21 mph.
Sunday Night
Mostly clear, with a low around 63.
Monday
A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 84.
Monday Night
A 40 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 63.
Tuesday
A 30 percent chance of showers, mainly before 1pm. Partly sunny, with a high near 77.
Tuesday Night
Partly cloudy, with a low around 54.
Wednesday
Sunny, with a high near 75.
Wednesday Night
Mostly clear, with a low around 50.
Thursday
Sunny, with a high near 74.
Thursday Night
Mostly clear, with a low around 50.
Friday
Sunny, with a high near 79.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles ENE Fieldon IL
 39.11°N 90.47°W (Elev. 640 ft)
Last Update:
4:16 pm CDT Oct 3, 2025
Forecast Valid:
4pm CDT Oct 3, 2025-6pm CDT Oct 10, 2025
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation