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.

Overcast

31°F

-1°C

Humidity 69%
Wind Speed Calm
Barometer 30.19 in (1022.9 mb)
Dewpoint 22°F (-6°C)
Visibility 10.00 mi
Last update 2 Feb 9:54 am CST
Extended Forecast for

4 Miles SW Godfrey IL

  • Today

    Today: Mostly cloudy, with a high near 36. West wind around 5 mph becoming calm in the afternoon.

    High: 36 °F

    Mostly Cloudy

  • Tonight

    Tonight: A slight chance of freezing rain between 3am and 5am, then a slight chance of snow after 5am. Mostly cloudy, with a low around 27. Calm wind becoming northeast around 5 mph after midnight. Chance of precipitation is 20%.

    Low: 27 °F

    Mostly Cloudy
    then Slight
    Chance Wintry
    Mix

  • Tuesday

    Tuesday: A 30 percent chance of snow, mainly before 8am. Mostly cloudy, with a high near 33. North wind 6 to 10 mph.

    High: 33 °F

    Chance Snow
    then Mostly
    Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 16. North wind around 6 mph becoming calm in the evening.

    Low: 16 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 30. Calm wind becoming northwest around 6 mph in the morning.

    High: 30 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 14.

    Low: 14 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 38.

    High: 38 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 31.

    Low: 31 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 44.

    High: 44 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly cloudy, with a high near 36. West wind around 5 mph becoming calm in the afternoon.
Tonight
A slight chance of freezing rain between 3am and 5am, then a slight chance of snow after 5am. Mostly cloudy, with a low around 27. Calm wind becoming northeast around 5 mph after midnight. Chance of precipitation is 20%.
Tuesday
A 30 percent chance of snow, mainly before 8am. Mostly cloudy, with a high near 33. North wind 6 to 10 mph.
Tuesday Night
Mostly cloudy, with a low around 16. North wind around 6 mph becoming calm in the evening.
Wednesday
Mostly sunny, with a high near 30. Calm wind becoming northwest around 6 mph in the morning.
Wednesday Night
Partly cloudy, with a low around 14.
Thursday
Partly sunny, with a high near 38.
Thursday Night
Mostly clear, with a low around 31.
Friday
Mostly sunny, with a high near 44.
Friday Night
Partly cloudy, with a low around 20.
Saturday
Sunny, with a high near 36.
Saturday Night
Partly cloudy, with a low around 24.
Sunday
Mostly sunny, with a high near 42.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SW Godfrey IL
 38.93°N 90.25°W (Elev. 531 ft)
Last Update:
10:27 am CST Feb 2, 2026
Forecast Valid:
10am CST Feb 2, 2026-6pm CST Feb 8, 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