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.

Overcast with Haze

57°F

14°C

Humidity 83%
Wind Speed E 10 mph
Barometer 30.09 in (1018.9 mb)
Dewpoint 52°F (11°C)
Visibility 6.00 mi
Last update 24 Dec 12:54 pm CST
Extended Forecast for

4 Miles NW Godfrey IL

Dense Fog Advisory December 24, 09:00pm until December 25, 10:00am
Click here for hazard details and duration
Dense Fog Advisory

  • This Afternoon

    This Afternoon: Mostly cloudy, with a high near 63. Southeast wind 8 to 10 mph.

    High: 63 °F

    Mostly Cloudy

  • Tonight

    Tonight: Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 50. Southeast wind 5 to 7 mph becoming light and variable after midnight.

    Low: 50 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Christmas Day

    Christmas Day: Areas of fog before 11am. Otherwise, mostly cloudy, with a high near 65. Calm wind becoming east 5 to 7 mph in the morning.

    High: 65 °F

    Areas Fog
    then Mostly
    Cloudy

  • Thursday Night

    Thursday Night: Cloudy, then gradually becoming partly cloudy, with a low around 55. East wind around 7 mph becoming south after midnight.

    Low: 55 °F

    Decreasing
    Clouds

  • Friday

    Friday: Sunny, with a high near 69. Southwest wind 6 to 10 mph becoming northwest in the afternoon.

    High: 69 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 45.

    Low: 45 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 66.

    High: 66 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 53.

    Low: 53 °F

    Mostly Cloudy

  • Sunday

    Sunday: A chance of rain and thunderstorms. Mostly cloudy, with a high near 57. Chance of precipitation is 50%.

    High: 57 °F

    Chance Rain

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 63. Southeast wind 8 to 10 mph.
Tonight
Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 50. Southeast wind 5 to 7 mph becoming light and variable after midnight.
Christmas Day
Areas of fog before 11am. Otherwise, mostly cloudy, with a high near 65. Calm wind becoming east 5 to 7 mph in the morning.
Thursday Night
Cloudy, then gradually becoming partly cloudy, with a low around 55. East wind around 7 mph becoming south after midnight.
Friday
Sunny, with a high near 69. Southwest wind 6 to 10 mph becoming northwest in the afternoon.
Friday Night
Partly cloudy, with a low around 45.
Saturday
Partly sunny, with a high near 66.
Saturday Night
Mostly cloudy, with a low around 53.
Sunday
A chance of rain and thunderstorms. Mostly cloudy, with a high near 57. Chance of precipitation is 50%.
Sunday Night
A 20 percent chance of rain before midnight. Mostly cloudy, with a low around 19. Blustery.
Monday
Sunny, with a high near 29.
Monday Night
Mostly clear, with a low around 18.
Tuesday
Mostly sunny, with a high near 35.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NW Godfrey IL
 39°N 90.24°W (Elev. 512 ft)
Last Update:
1:16 pm CST Dec 24, 2025
Forecast Valid:
1pm CST Dec 24, 2025-6pm CST Dec 30, 2025
 
Forecast Discussion
 
Get as KML Get as XML

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