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.

Mostly Cloudy

68°F

20°C

Humidity 73%
Wind Speed SW 5 mph
Barometer 29.81 in (1009.0 mb)
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 16 Jun 11:54 am CDT
Extended Forecast for

3 Miles SSW Batchtown IL

Wind Advisory June 17, 01:00pm until June 17, 08:00pm
Click here for hazard details and duration
Wind Advisory

  • This Afternoon

    This Afternoon: A 40 percent chance of showers and thunderstorms, mainly before 1pm. Mostly cloudy early, then becoming sunny, with a high near 82. West wind 6 to 13 mph, with gusts as high as 24 mph.

    High: 82 °F

    Chance
    Showers

  • Tonight

    Tonight: Mostly clear, with a low around 59. West wind 5 to 8 mph becoming calm.

    Low: 59 °F

    Mostly Clear

  • Wednesday

    Wednesday: A slight chance of showers and thunderstorms before 11am, then a slight chance of showers and thunderstorms after 5pm. Sunny, with a high near 91. Breezy, with a southeast wind 8 to 13 mph becoming southwest 19 to 24 mph in the afternoon. Winds could gust as high as 44 mph. Chance of precipitation is 20%.

    High: 91 °F

    Slight Chance
    T-storms then
    Sunny and
    Breezy

  • Wednesday Night

    Wednesday Night: Showers and thunderstorms, mainly before 1am. Low around 68. Breezy, with a west wind 16 to 21 mph decreasing to 8 to 13 mph after midnight. Winds could gust as high as 36 mph. Chance of precipitation is 80%.

    Low: 68 °F

    T-storms and
    Breezy

  • Thursday

    Thursday: A 20 percent chance of showers after 1pm. Mostly sunny, with a high near 79. Northwest wind around 8 mph.

    High: 79 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 60.

    Low: 60 °F

    Partly Cloudy

  • Juneteenth

    Juneteenth: Sunny, with a high near 84.

    High: 84 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 62.

    Low: 62 °F

    Mostly Clear

  • Saturday

    Saturday: A 20 percent chance of showers. Mostly sunny, with a high near 85.

    High: 85 °F

    Slight Chance
    Showers

Detailed Forecast

This Afternoon
A 40 percent chance of showers and thunderstorms, mainly before 1pm. Mostly cloudy early, then becoming sunny, with a high near 82. West wind 6 to 13 mph, with gusts as high as 24 mph.
Tonight
Mostly clear, with a low around 59. West wind 5 to 8 mph becoming calm.
Wednesday
A slight chance of showers and thunderstorms before 11am, then a slight chance of showers and thunderstorms after 5pm. Sunny, with a high near 91. Breezy, with a southeast wind 8 to 13 mph becoming southwest 19 to 24 mph in the afternoon. Winds could gust as high as 44 mph. Chance of precipitation is 20%.
Wednesday Night
Showers and thunderstorms, mainly before 1am. Low around 68. Breezy, with a west wind 16 to 21 mph decreasing to 8 to 13 mph after midnight. Winds could gust as high as 36 mph. Chance of precipitation is 80%.
Thursday
A 20 percent chance of showers after 1pm. Mostly sunny, with a high near 79. Northwest wind around 8 mph.
Thursday Night
Partly cloudy, with a low around 60.
Juneteenth
Sunny, with a high near 84.
Friday Night
Mostly clear, with a low around 62.
Saturday
A 20 percent chance of showers. Mostly sunny, with a high near 85.
Saturday Night
A 40 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 67.
Sunday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 86. Chance of precipitation is 60%.
Sunday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 69. Chance of precipitation is 70%.
Monday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 86.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSW Batchtown IL
 38.99°N 90.67°W (Elev. 554 ft)
Last Update:
12:40 pm CDT Jun 16, 2026
Forecast Valid:
12pm CDT Jun 16, 2026-6pm CDT Jun 22, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation