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.

Fair

74°F

23°C

Humidity 69%
Wind Speed Calm
Barometer 30.04 in (1017.0 mb)
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 19 Jun 9:54 am CDT
Extended Forecast for

4 Miles NE Golden Eagle IL

Flood Warning until further notice
Click here for hazard details and duration
Flood Warning until further notice
  •  
    Flood Warning until further notice

    NOW until further notice

    Flood Warning

  • Juneteenth

    High: 84 °F

    Increasing
    Clouds

  • Tonight

    Tonight: Mostly cloudy, with a low around 64. Light and variable wind.

    Low: 64 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 20 percent chance of showers before 8am. Mostly sunny, with a high near 86. Light and variable wind.

    High: 86 °F

    Slight Chance
    Showers then
    Mostly Sunny

  • Saturday Night

    Saturday Night: A 40 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 67. Southeast wind 3 to 5 mph.

    Low: 67 °F

    Partly Cloudy
    then Chance
    T-storms

  • Sunday

    Sunday: Showers and thunderstorms. High near 83. Southeast wind 8 to 15 mph becoming southwest in the afternoon. Winds could gust as high as 26 mph. Chance of precipitation is 100%.

    High: 83 °F

    T-storms

  • Sunday Night

    Sunday Night: Showers and thunderstorms. Low around 65. Chance of precipitation is 80%.

    Low: 65 °F

    T-storms

  • Monday

    Monday: Partly sunny, with a high near 78.

    High: 78 °F

    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 60.

    Low: 60 °F

    Partly Cloudy

Detailed Forecast

Juneteenth
Increasing clouds, with a high near 84. Light northwest wind.
Tonight
Mostly cloudy, with a low around 64. Light and variable wind.
Saturday
A 20 percent chance of showers before 8am. Mostly sunny, with a high near 86. Light and variable wind.
Saturday Night
A 40 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 67. Southeast wind 3 to 5 mph.
Sunday
Showers and thunderstorms. High near 83. Southeast wind 8 to 15 mph becoming southwest in the afternoon. Winds could gust as high as 26 mph. Chance of precipitation is 100%.
Sunday Night
Showers and thunderstorms. Low around 65. Chance of precipitation is 80%.
Monday
Partly sunny, with a high near 78.
Monday Night
Partly cloudy, with a low around 60.
Tuesday
Mostly sunny, with a high near 80.
Tuesday Night
Partly cloudy, with a low around 62.
Wednesday
Mostly sunny, with a high near 83.
Wednesday Night
Mostly clear, with a low around 63.
Thursday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 83.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NE Golden Eagle IL
 38.92°N 90.53°W (Elev. 499 ft)
Last Update:
8:41 am CDT Jun 19, 2026
Forecast Valid:
10am CDT Jun 19, 2026-6pm CDT Jun 25, 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