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.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

5 Miles NE Hardin IL

  • Today

    Today: A 50 percent chance of showers, mainly before 2pm. Cloudy, with a temperature falling to around 43 by 3pm. Northwest wind 10 to 18 mph, with gusts as high as 31 mph.

    High: 57 °F⇓

    Chance
    Showers

  • Tonight

    Tonight: Mostly cloudy during the early evening, then gradual clearing, with a low around 29. Northwest wind 10 to 15 mph becoming light west after midnight. Winds could gust as high as 28 mph.

    Low: 29 °F

    Gradual
    Clearing

  • Thursday

    Thursday: Sunny, with a high near 54. Light southwest wind increasing to 6 to 11 mph in the morning. Winds could gust as high as 20 mph.

    High: 54 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 43. South wind 10 to 17 mph, with gusts as high as 33 mph.

    Low: 43 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 59. West wind 11 to 14 mph, with gusts as high as 25 mph.

    High: 59 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 35.

    Low: 35 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 62.

    High: 62 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: A 20 percent chance of rain and thunderstorms after 1am. Mostly cloudy, with a low around 49.

    Low: 49 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

  • Sunday

    Sunday: Rain likely and possibly a thunderstorm, then rain after 1pm. High near 63. Breezy. Chance of precipitation is 80%.

    High: 63 °F

    Rain and
    Breezy

Detailed Forecast

Today
A 50 percent chance of showers, mainly before 2pm. Cloudy, with a temperature falling to around 43 by 3pm. Northwest wind 10 to 18 mph, with gusts as high as 31 mph.
Tonight
Mostly cloudy during the early evening, then gradual clearing, with a low around 29. Northwest wind 10 to 15 mph becoming light west after midnight. Winds could gust as high as 28 mph.
Thursday
Sunny, with a high near 54. Light southwest wind increasing to 6 to 11 mph in the morning. Winds could gust as high as 20 mph.
Thursday Night
Partly cloudy, with a low around 43. South wind 10 to 17 mph, with gusts as high as 33 mph.
Friday
Partly sunny, with a high near 59. West wind 11 to 14 mph, with gusts as high as 25 mph.
Friday Night
Mostly cloudy, with a low around 35.
Saturday
Mostly cloudy, with a high near 62.
Saturday Night
A 20 percent chance of rain and thunderstorms after 1am. Mostly cloudy, with a low around 49.
Sunday
Rain likely and possibly a thunderstorm, then rain after 1pm. High near 63. Breezy. Chance of precipitation is 80%.
Sunday Night
A chance of rain and snow before 1am. Mostly cloudy, with a low around 22. Blustery. Chance of precipitation is 30%.
Monday
Sunny, with a high near 37.
Monday Night
Partly cloudy, with a low around 19.
Tuesday
Partly sunny, with a high near 43.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles NE Hardin IL
 39.18°N 90.55°W (Elev. 499 ft)
Last Update:
7:41 am CDT Mar 11, 2026
Forecast Valid:
8am CDT Mar 11, 2026-6pm CDT Mar 17, 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