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

63°F

17°C

Humidity 84%
Wind Speed N 9 mph
Barometer 29.90 in (1012.2 mb)
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Last update 22 Jun 6:54 am CDT
Extended Forecast for

4 Miles SW Godfrey IL

  • Today

    Today: Mostly cloudy, with a high near 75. North wind around 11 mph.

    High: 75 °F

    Mostly Cloudy

  • Tonight

    Tonight: Mostly cloudy during the early evening, then gradual clearing, with a low around 60. North wind 3 to 7 mph.

    Low: 60 °F

    Gradual
    Clearing

  • Tuesday

    Tuesday: Sunny, with a high near 81. Calm wind becoming east around 5 mph.

    High: 81 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers after 1am. Increasing clouds, with a low around 63. East wind 3 to 5 mph.

    Low: 63 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Wednesday

    Wednesday: A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 82. Southeast wind 5 to 7 mph becoming southwest in the afternoon.

    High: 82 °F

    Chance
    Showers then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 66.

    Low: 66 °F

    Slight Chance
    T-storms

  • Thursday

    Thursday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 83.

    High: 83 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms. Partly cloudy, with a low around 64. Chance of precipitation is 30%.

    Low: 64 °F

    Chance
    T-storms

  • Friday

    Friday: A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 82.

    High: 82 °F

    Chance
    Showers then
    Chance
    T-storms

Detailed Forecast

Today
Mostly cloudy, with a high near 75. North wind around 11 mph.
Tonight
Mostly cloudy during the early evening, then gradual clearing, with a low around 60. North wind 3 to 7 mph.
Tuesday
Sunny, with a high near 81. Calm wind becoming east around 5 mph.
Tuesday Night
A 20 percent chance of showers after 1am. Increasing clouds, with a low around 63. East wind 3 to 5 mph.
Wednesday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 82. Southeast wind 5 to 7 mph becoming southwest in the afternoon.
Wednesday Night
A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 66.
Thursday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 83.
Thursday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 64. Chance of precipitation is 30%.
Friday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 82.
Friday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 68. Chance of precipitation is 60%.
Saturday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 87.
Saturday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 72.
Sunday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 93.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SW Godfrey IL
 38.93°N 90.25°W (Elev. 531 ft)
Last Update:
4:56 am CDT Jun 22, 2026
Forecast Valid:
7am CDT Jun 22, 2026-6pm CDT Jun 28, 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