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.

Thunderstorm in Vicinity

71°F

22°C

Humidity 96%
Wind Speed E 9 mph
Barometer 29.96 in (1014.3 mb)
Dewpoint 70°F (21°C)
Visibility 7.00 mi
Last update 15 Oct 10:54 am CDT
Extended Forecast for

3 Miles SSW Batchtown IL

  • Today

    Today: Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Patchy fog before noon. Otherwise, mostly cloudy, with a high near 80. Southeast wind 8 to 11 mph becoming southwest in the afternoon. Chance of precipitation is 70%.

    High: 80 °F

    Showers
    Likely and
    Patchy Fog

  • Tonight

    Tonight: Showers and thunderstorms likely before 10pm, then scattered showers between 10pm and 1am. Partly cloudy during the early evening, then becoming cloudy, with a low around 48. West wind 11 to 17 mph becoming northwest after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 70%.

    Low: 48 °F

    Showers
    Likely then
    Scattered
    Showers

  • Friday

    Friday: Partly sunny, with a high near 57. Breezy, with a northwest wind 17 to 21 mph, with gusts as high as 31 mph.

    High: 57 °F

    Partly Sunny
    and Breezy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 40. North wind 8 to 17 mph, with gusts as high as 26 mph.

    Low: 40 °F

    Mostly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 60. North wind around 5 mph becoming calm in the morning.

    High: 60 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 39.

    Low: 39 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 68.

    High: 68 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 42.

    Low: 42 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 73.

    High: 73 °F

    Mostly Sunny

Detailed Forecast

Today
Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Patchy fog before noon. Otherwise, mostly cloudy, with a high near 80. Southeast wind 8 to 11 mph becoming southwest in the afternoon. Chance of precipitation is 70%.
Tonight
Showers and thunderstorms likely before 10pm, then scattered showers between 10pm and 1am. Partly cloudy during the early evening, then becoming cloudy, with a low around 48. West wind 11 to 17 mph becoming northwest after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 70%.
Friday
Partly sunny, with a high near 57. Breezy, with a northwest wind 17 to 21 mph, with gusts as high as 31 mph.
Friday Night
Mostly cloudy, with a low around 40. North wind 8 to 17 mph, with gusts as high as 26 mph.
Saturday
Sunny, with a high near 60. North wind around 5 mph becoming calm in the morning.
Saturday Night
Clear, with a low around 39.
Sunday
Sunny, with a high near 68.
Sunday Night
Mostly clear, with a low around 42.
Monday
Mostly sunny, with a high near 73.
Monday Night
Partly cloudy, with a low around 44.
Tuesday
Sunny, with a high near 75.
Tuesday Night
Mostly clear, with a low around 48.
Wednesday
Sunny, with a high near 78.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSW Batchtown IL
 38.99°N 90.67°W (Elev. 554 ft)
Last Update:
9:16 am CDT Oct 15, 2026
Forecast Valid:
11am CDT Oct 15, 2026-6pm CDT Oct 21, 2026
 
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Additional Resources

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Chance of Precipitation