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.

Fog/Mist

35°F

2°C

Humidity 96%
Wind Speed N 3 mph
Barometer 30.09 in (1018.9 mb)
Dewpoint 34°F (1°C)
Visibility 1.25 mi
Last update 10 Jan 1:54 am CST
Extended Forecast for

2 Miles N Mozier IL

  • Overnight

    Overnight: Rain, mainly after 3am. Low around 36. Calm wind becoming northwest 5 to 7 mph. Chance of precipitation is 80%.

    Low: 36 °F

    Rain

  • Saturday

    Saturday: A 50 percent chance of rain before 8am. Cloudy through mid morning, then gradual clearing, with a high near 45. Northwest wind 8 to 13 mph, with gusts as high as 24 mph.

    High: 45 °F

    Chance Rain
    then Sunny

  • Saturday Night

    Saturday Night: A slight chance of rain showers before 7pm, then a slight chance of snow showers between 7pm and 9pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 25. Northwest wind 10 to 14 mph, with gusts as high as 31 mph. Chance of precipitation is 20%.

    Low: 25 °F

    Slight Chance
    Rain/Snow
    then Mostly
    Clear

  • Sunday

    Sunday: Sunny, with a high near 37. Northwest wind 5 to 10 mph becoming light west in the afternoon. Winds could gust as high as 23 mph.

    High: 37 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 26. Calm wind becoming southwest around 6 mph after midnight.

    Low: 26 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 50.

    High: 50 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 36.

    Low: 36 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 57.

    High: 57 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 36.

    Low: 36 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Rain, mainly after 3am. Low around 36. Calm wind becoming northwest 5 to 7 mph. Chance of precipitation is 80%.
Saturday
A 50 percent chance of rain before 8am. Cloudy through mid morning, then gradual clearing, with a high near 45. Northwest wind 8 to 13 mph, with gusts as high as 24 mph.
Saturday Night
A slight chance of rain showers before 7pm, then a slight chance of snow showers between 7pm and 9pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 25. Northwest wind 10 to 14 mph, with gusts as high as 31 mph. Chance of precipitation is 20%.
Sunday
Sunny, with a high near 37. Northwest wind 5 to 10 mph becoming light west in the afternoon. Winds could gust as high as 23 mph.
Sunday Night
Mostly clear, with a low around 26. Calm wind becoming southwest around 6 mph after midnight.
Monday
Mostly sunny, with a high near 50.
Monday Night
Partly cloudy, with a low around 36.
Tuesday
Partly sunny, with a high near 57.
Tuesday Night
Mostly cloudy, with a low around 36.
Wednesday
A 20 percent chance of rain after noon. Mostly cloudy, with a high near 42.
Wednesday Night
Partly cloudy, with a low around 21.
Thursday
Mostly sunny, with a high near 37.
Thursday Night
Mostly cloudy, with a low around 27.
Friday
Partly sunny, with a high near 43.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles N Mozier IL
 39.32°N 90.77°W (Elev. 446 ft)
Last Update:
1:06 am CST Jan 10, 2026
Forecast Valid:
2am CST Jan 10, 2026-6pm CST Jan 16, 2026
 
Forecast Discussion
 
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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