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 and Breezy

56°F

13°C

Humidity 24%
Wind Speed SW 21 G 29 mph
Barometer 29.58 in (1001.8 mb)
Dewpoint 20°F (-7°C)
Visibility 10.00 mi
Last update 24 Feb 3:54 pm CST
Extended Forecast for

Hamburg IL

  • Tonight

    Tonight: Mostly cloudy, with a low around 32. Southwest wind 5 to 8 mph becoming calm after midnight. Winds could gust as high as 20 mph.

    Low: 32 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 50. Light north wind.

    High: 50 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: A 50 percent chance of rain. Mostly cloudy, with a low around 34. Calm wind becoming east around 5 mph after midnight.

    Low: 34 °F

    Chance Rain

  • Thursday

    Thursday: A 20 percent chance of rain before noon. Partly sunny, with a high near 50. East wind around 5 mph becoming light and variable in the afternoon.

    High: 50 °F

    Slight Chance
    Rain then
    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 33. Light and variable wind.

    Low: 33 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 65.

    High: 65 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 39.

    Low: 39 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 62.

    High: 62 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A slight chance of rain and snow. Mostly cloudy, with a low around 29. Chance of precipitation is 20%.

    Low: 29 °F

    Slight Chance
    Rain/Snow

Detailed Forecast

Tonight
Mostly cloudy, with a low around 32. Southwest wind 5 to 8 mph becoming calm after midnight. Winds could gust as high as 20 mph.
Wednesday
Partly sunny, with a high near 50. Light north wind.
Wednesday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 34. Calm wind becoming east around 5 mph after midnight.
Thursday
A 20 percent chance of rain before noon. Partly sunny, with a high near 50. East wind around 5 mph becoming light and variable in the afternoon.
Thursday Night
Mostly clear, with a low around 33. Light and variable wind.
Friday
Sunny, with a high near 65.
Friday Night
Mostly clear, with a low around 39.
Saturday
Mostly sunny, with a high near 62.
Saturday Night
A slight chance of rain and snow. Mostly cloudy, with a low around 29. Chance of precipitation is 20%.
Sunday
A slight chance of rain and snow before noon, then a chance of snow. Mostly cloudy, with a high near 43. Chance of precipitation is 40%.
Sunday Night
A chance of rain and snow. Mostly cloudy, with a low around 30. Chance of precipitation is 40%.
Monday
A 30 percent chance of rain. Mostly cloudy, with a high near 45.
Monday Night
A 40 percent chance of rain and thunderstorms. Mostly cloudy, with a low around 31.
Tuesday
A 50 percent chance of rain. Mostly cloudy, with a high near 48.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Hamburg IL
 39.23°N 90.72°W (Elev. 430 ft)
Last Update:
3:36 pm CST Feb 24, 2026
Forecast Valid:
4pm CST Feb 24, 2026-6pm CST Mar 3, 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