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.

Light Snow

8°F

-13°C

Humidity 76%
Wind Speed NE 10 mph
Barometer 30.43 in (1031.2 mb)
Dewpoint 2°F (-17°C)
Visibility 2.00 mi
Wind Chill-6°F (-21°C)
Last update 24 Jan 4:54 pm CST
Extended Forecast for

4 Miles NNW Mozier IL

Cold Weather Advisory January 26, 12:00am until January 26, 12:00pm
Winter Storm Warning January 24, 05:08pm until January 25, 06:00pm
Click here for hazard details and duration
Cold Weather Advisory
Winter Storm Warning
  •  
    Winter Storm Warning January 24, 05:08pm until January 25, 06:00pm

    NOW until 6:00pm Sun

    Winter Storm Warning

  • This Afternoon

    High: 9 °F

    Snow

  • Tonight

    Tonight: Snow. Low around 7. Northeast wind 7 to 9 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.

    Low: 7 °F

    Snow

  • Sunday

    Sunday: Snow, mainly before 2pm. High near 15. North wind 9 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.

    High: 15 °F

    Snow

  • Sunday Night

    Sunday Night: Mostly clear, with a low around -4. Wind chill values as low as -15. Northwest wind 6 to 9 mph, with gusts as high as 20 mph.

    Low: -4 °F

    Mostly Clear

  • Monday

    Monday: Sunny and cold, with a high near 14. Northwest wind 6 to 8 mph.

    High: 14 °F

    Cold

  • Monday Night

    Monday Night: Mostly clear, with a low around 4.

    Low: 4 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 27.

    High: 27 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 4.

    Low: 4 °F

    Partly Cloudy

Detailed Forecast

This Afternoon
Snow. High near 9. Northeast wind around 7 mph. Chance of precipitation is 90%. Total daytime snow accumulation of less than one inch possible.
Tonight
Snow. Low around 7. Northeast wind 7 to 9 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.
Sunday
Snow, mainly before 2pm. High near 15. North wind 9 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.
Sunday Night
Mostly clear, with a low around -4. Wind chill values as low as -15. Northwest wind 6 to 9 mph, with gusts as high as 20 mph.
Monday
Sunny and cold, with a high near 14. Northwest wind 6 to 8 mph.
Monday Night
Mostly clear, with a low around 4.
Tuesday
Sunny, with a high near 27.
Tuesday Night
Partly cloudy, with a low around 4.
Wednesday
Partly sunny, with a high near 23.
Wednesday Night
Partly cloudy, with a low around 1.
Thursday
Mostly sunny and cold, with a high near 18.
Thursday Night
Partly cloudy, with a low around 2.
Friday
Mostly sunny and cold, with a high near 18.
Friday Night
Partly cloudy, with a low around 4.
Saturday
Mostly sunny, with a high near 23.
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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:
4:36 pm CST Jan 24, 2026
Forecast Valid:
5pm CST Jan 24, 2026-6pm CST Jan 31, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

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Chance of Precipitation