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.

Mostly Cloudy

73°F

23°C

Humidity 94%
Wind Speed SE 5 mph
Barometer 29.93 in (1013.2 mb)
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Last update 15 Oct 12:54 pm CDT
Extended Forecast for

4 Miles ENE Batchtown IL

  • This Afternoon

    This Afternoon: A chance of showers and thunderstorms before 1pm, then showers likely and possibly a thunderstorm between 1pm and 2pm, then a chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 80. Southwest wind 8 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.

    High: 80 °F

    Showers
    Likely

  • Tonight

    Tonight: Showers likely and possibly a thunderstorm before midnight, then a slight chance of showers between midnight and 2am. Mostly cloudy, with a low around 45. Northwest wind 9 to 17 mph, with gusts as high as 26 mph. Chance of precipitation is 70%.

    Low: 45 °F

    Showers
    Likely then
    Slight Chance
    Showers

  • Friday

    Friday: A 20 percent chance of showers after 3pm. Partly sunny, with a high near 57. Breezy, with a northwest wind 16 to 20 mph, with gusts as high as 31 mph.

    High: 57 °F

    Breezy.
    Partly Sunny
    then Slight
    Chance
    Showers

  • Friday Night

    Friday Night: Cloudy during the early evening, then gradual clearing, with a low around 38. North wind 6 to 15 mph, with gusts as high as 28 mph.

    Low: 38 °F

    Gradual
    Clearing

  • Saturday

    Saturday: Sunny, with a high near 60. Light and variable wind.

    High: 60 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 38.

    Low: 38 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 68.

    High: 68 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 41.

    Low: 41 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 73.

    High: 73 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
A chance of showers and thunderstorms before 1pm, then showers likely and possibly a thunderstorm between 1pm and 2pm, then a chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 80. Southwest wind 8 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.
Tonight
Showers likely and possibly a thunderstorm before midnight, then a slight chance of showers between midnight and 2am. Mostly cloudy, with a low around 45. Northwest wind 9 to 17 mph, with gusts as high as 26 mph. Chance of precipitation is 70%.
Friday
A 20 percent chance of showers after 3pm. Partly sunny, with a high near 57. Breezy, with a northwest wind 16 to 20 mph, with gusts as high as 31 mph.
Friday Night
Cloudy during the early evening, then gradual clearing, with a low around 38. North wind 6 to 15 mph, with gusts as high as 28 mph.
Saturday
Sunny, with a high near 60. Light and variable wind.
Saturday Night
Clear, with a low around 38.
Sunday
Sunny, with a high near 68.
Sunday Night
Mostly clear, with a low around 41.
Monday
Mostly sunny, with a high near 73.
Monday Night
Partly cloudy, with a low around 43.
Tuesday
Sunny, with a high near 75.
Tuesday Night
Mostly clear, with a low around 47.
Wednesday
Sunny, with a high near 78.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles ENE Batchtown IL
 39.05°N 90.58°W (Elev. 420 ft)
Last Update:
11:21 am CDT Oct 15, 2026
Forecast Valid:
12pm CDT Oct 15, 2026-6pm CDT Oct 21, 2026
 
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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