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.

Fair

68°F

20°C

Humidity 81%
Wind Speed E 3 mph
Barometer 30.05 in (1017.0 mb)
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Last update 29 Aug 9:54 pm CDT
Extended Forecast for

3 Miles SW Godfrey IL

  • Tonight

    Tonight: Mostly clear, with a low around 60. Calm wind becoming east around 5 mph after midnight.

    Low: 60 °F

    Mostly Clear

  • Saturday

    Saturday: A 20 percent chance of showers after 1pm. Sunny, with a high near 84. East wind around 6 mph.

    High: 84 °F

    Sunny then
    Slight Chance
    Showers

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 63. East wind around 6 mph.

    Low: 63 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 82. East wind 5 to 7 mph.

    High: 82 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 59. East wind 3 to 6 mph.

    Low: 59 °F

    Mostly Cloudy

  • Labor Day

    Labor Day: Partly sunny, with a high near 79.

    High: 79 °F

    Partly Sunny

  • Monday Night

    Monday Night: A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 61.

    Low: 61 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Tuesday

    Tuesday: A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 79. Chance of precipitation is 30%.

    High: 79 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers. Partly cloudy, with a low around 60.

    Low: 60 °F

    Slight Chance
    Showers

Detailed Forecast

Tonight
Mostly clear, with a low around 60. Calm wind becoming east around 5 mph after midnight.
Saturday
A 20 percent chance of showers after 1pm. Sunny, with a high near 84. East wind around 6 mph.
Saturday Night
Mostly cloudy, with a low around 63. East wind around 6 mph.
Sunday
Partly sunny, with a high near 82. East wind 5 to 7 mph.
Sunday Night
Mostly cloudy, with a low around 59. East wind 3 to 6 mph.
Labor Day
Partly sunny, with a high near 79.
Monday Night
A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 61.
Tuesday
A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 79. Chance of precipitation is 30%.
Tuesday Night
A 20 percent chance of showers. Partly cloudy, with a low around 60.
Wednesday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 79.
Wednesday Night
A 20 percent chance of showers. Partly cloudy, with a low around 53.
Thursday
Mostly sunny, with a high near 71.
Thursday Night
Mostly clear, with a low around 50.
Friday
Sunny, with a high near 77.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SW Godfrey IL
 38.93°N 90.22°W (Elev. 597 ft)
Last Update:
10:41 pm CDT Aug 29, 2025
Forecast Valid:
10pm CDT Aug 29, 2025-6pm CDT Sep 5, 2025
 
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