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

45°F

7°C

Humidity 52%
Wind Speed N 8 mph
Barometer 29.68 in (1004.9 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill41°F (5°C)
Last update 25 Feb 2:54 am CST
Extended Forecast for

4 Miles NNW Mozier IL

  • Overnight

    Overnight: Mostly cloudy, with a low around 31. Calm wind.

    Low: 31 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Cloudy, then gradually becoming mostly sunny, with a high near 49. Light and variable wind.

    High: 49 °F

    Decreasing
    Clouds

  • Wednesday Night

    Wednesday Night: Rain likely before 5am, then a slight chance of snow. Mostly cloudy, with a low around 31. Calm wind becoming northeast around 5 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

    Low: 31 °F

    Chance Rain
    then
    Rain/Snow
    Likely

  • Thursday

    Thursday: Mostly sunny, with a high near 52. Calm wind becoming southeast around 5 mph.

    High: 52 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 33. Light south wind.

    Low: 33 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 67.

    High: 67 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 38.

    Low: 38 °F

    Mostly Clear

  • Saturday

    Saturday: A 20 percent chance of rain after noon. Mostly sunny, with a high near 56.

    High: 56 °F

    Mostly Sunny
    then Slight
    Chance Rain

  • Saturday Night

    Saturday Night: A 20 percent chance of rain. Partly cloudy, with a low around 28.

    Low: 28 °F

    Slight Chance
    Rain

Detailed Forecast

Overnight
Mostly cloudy, with a low around 31. Calm wind.
Wednesday
Cloudy, then gradually becoming mostly sunny, with a high near 49. Light and variable wind.
Wednesday Night
Rain likely before 5am, then a slight chance of snow. Mostly cloudy, with a low around 31. Calm wind becoming northeast around 5 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Thursday
Mostly sunny, with a high near 52. Calm wind becoming southeast around 5 mph.
Thursday Night
Clear, with a low around 33. Light south wind.
Friday
Sunny, with a high near 67.
Friday Night
Mostly clear, with a low around 38.
Saturday
A 20 percent chance of rain after noon. Mostly sunny, with a high near 56.
Saturday Night
A 20 percent chance of rain. Partly cloudy, with a low around 28.
Sunday
A chance of rain and snow. Mostly cloudy, with a high near 41. Chance of precipitation is 50%.
Sunday Night
Rain and snow likely. Mostly cloudy, with a low around 27. Chance of precipitation is 60%.
Monday
A 30 percent chance of rain. Mostly cloudy, with a high near 37.
Monday Night
A 40 percent chance of rain and thunderstorms. Mostly cloudy, with a low around 26.
Tuesday
A 40 percent chance of rain. Mostly cloudy, with a high near 42.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NNW Mozier IL
 39.34°N 90.77°W (Elev. 696 ft)
Last Update:
1:51 am CST Feb 25, 2026
Forecast Valid:
3am CST Feb 25, 2026-6pm CST Mar 3, 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