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

72°F

22°C

Humidity 94%
Wind Speed E 7 mph
Barometer 29.88 in (1011.3 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Last update 16 Jun 10:54 pm CDT
Extended Forecast for

3 Miles SE Hardin IL

  • Tonight

    Tonight: Partly cloudy, with a low around 70. Calm wind.

    Low: 70 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 89. Calm wind becoming southwest around 6 mph in the afternoon.

    High: 89 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 40 percent chance of showers and thunderstorms, mainly before 10pm. Increasing clouds, with a low around 71. South wind 3 to 6 mph.

    Low: 71 °F

    Chance
    T-storms then
    Mostly Cloudy

  • Wednesday

    Wednesday: Showers and thunderstorms likely, mainly after 1pm. Mostly cloudy, with a high near 83. Southwest wind 7 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 70%.

    High: 83 °F

    T-storms
    Likely

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 67. Southwest wind 5 to 10 mph.

    Low: 67 °F

    Chance
    T-storms then
    Chance
    Showers

  • Juneteenth

    Juneteenth: Sunny, with a high near 85.

    High: 85 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 68.

    Low: 68 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 90.

    High: 90 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 75.

    Low: 75 °F

    Mostly Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 70. Calm wind.
Tuesday
Mostly sunny, with a high near 89. Calm wind becoming southwest around 6 mph in the afternoon.
Tuesday Night
A 40 percent chance of showers and thunderstorms, mainly before 10pm. Increasing clouds, with a low around 71. South wind 3 to 6 mph.
Wednesday
Showers and thunderstorms likely, mainly after 1pm. Mostly cloudy, with a high near 83. Southwest wind 7 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 70%.
Wednesday Night
A 30 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 67. Southwest wind 5 to 10 mph.
Juneteenth
Sunny, with a high near 85.
Thursday Night
Mostly clear, with a low around 68.
Friday
Sunny, with a high near 90.
Friday Night
Mostly clear, with a low around 75.
Saturday
Sunny, with a high near 94.
Saturday Night
Mostly clear, with a low around 76.
Sunday
Sunny, with a high near 94.
Sunday Night
Mostly clear, with a low around 75.
Monday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 93.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SE Hardin IL
 39.12°N 90.58°W (Elev. 430 ft)
Last Update:
10:21 pm CDT Jun 16, 2025
Forecast Valid:
11pm CDT Jun 16, 2025-6pm CDT Jun 23, 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