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.

Overcast

41°F

5°C

Humidity 62%
Wind Speed NW 20 G 25 mph
Barometer 30.15 in (1021.2 mb)
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Wind Chill32°F (0°C)
Last update 10 Jan 7:54 pm CST
Extended Forecast for

5 Miles NE Hardin IL

  • Tonight

    Tonight: A slight chance of rain and snow showers before 11pm, then a chance of flurries between 11pm and 4am. Mostly cloudy during the early evening, then becoming mostly clear, with a low around 25. Blustery, with a northwest wind 10 to 20 mph, with gusts as high as 37 mph. Chance of precipitation is 20%.

    Low: 25 °F

    Slight Chance
    Rain/Snow
    then Chance
    Flurries and
    Blustery

  • Sunday

    Sunday: Sunny, with a high near 37. Northwest wind 7 to 15 mph becoming west in the afternoon. Winds could gust as high as 29 mph.

    High: 37 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 27. Southwest wind 3 to 7 mph.

    Low: 27 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 50. West wind 6 to 9 mph.

    High: 50 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 36. Southwest wind 5 to 8 mph.

    Low: 36 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 56.

    High: 56 °F

    Partly Sunny

  • Tuesday Night

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

    Low: 35 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 42.

    High: 42 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 20.

    Low: 20 °F

    Partly Cloudy

Detailed Forecast

Tonight
A slight chance of rain and snow showers before 11pm, then a chance of flurries between 11pm and 4am. Mostly cloudy during the early evening, then becoming mostly clear, with a low around 25. Blustery, with a northwest wind 10 to 20 mph, with gusts as high as 37 mph. Chance of precipitation is 20%.
Sunday
Sunny, with a high near 37. Northwest wind 7 to 15 mph becoming west in the afternoon. Winds could gust as high as 29 mph.
Sunday Night
Clear, with a low around 27. Southwest wind 3 to 7 mph.
Monday
Sunny, with a high near 50. West wind 6 to 9 mph.
Monday Night
Partly cloudy, with a low around 36. Southwest wind 5 to 8 mph.
Tuesday
Partly sunny, with a high near 56.
Tuesday Night
Mostly cloudy, with a low around 35.
Wednesday
Mostly cloudy, with a high near 42.
Wednesday Night
Partly cloudy, with a low around 20.
Thursday
Mostly sunny, with a high near 37.
Thursday Night
Partly cloudy, with a low around 29.
Friday
Partly sunny, with a high near 42.
Friday Night
Mostly cloudy, with a low around 22.
Saturday
Partly sunny, with a high near 32.
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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:
4:41 pm CST Jan 10, 2026
Forecast Valid:
8pm CST Jan 10, 2026-6pm CST Jan 17, 2026
 
Forecast Discussion
 
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Additional Resources

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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