National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

St. Charles, St. Charles County Smartt Airport (KSET)

Lat: 38.93°NLon: 90.43°WElev: 436ft.

Fair

37°F

3°C

Humidity 82%
Wind Speed Calm
Barometer 30.27 in (1024.8 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Last update 6 Nov 12:54 am CST
Extended Forecast for

Hamburg IL

  • Overnight

    Overnight: Clear, with a low around 40. Light and variable wind.

    Low: 40 °F

    Clear

  • Thursday

    Thursday: Increasing clouds, with a high near 64. Light east wind becoming southeast 8 to 13 mph in the morning. Winds could gust as high as 23 mph.

    High: 64 °F

    Increasing
    Clouds

  • Thursday Night

    Thursday Night: A 30 percent chance of rain, mainly before 3am. Mostly cloudy, with a low around 55. Southeast wind 8 to 11 mph becoming southwest after midnight. Winds could gust as high as 23 mph.

    Low: 55 °F

    Mostly Cloudy
    then Chance
    Rain

  • Friday

    Friday: Mostly cloudy through mid morning, then gradual clearing, with a high near 70. West wind 7 to 11 mph, with gusts as high as 21 mph.

    High: 70 °F

    Becoming
    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 44. West wind around 5 mph becoming calm in the evening.

    Low: 44 °F

    Mostly Clear

  • Saturday

    Saturday: A 40 percent chance of rain after noon. Partly sunny, with a high near 63.

    High: 63 °F

    Partly Sunny
    then Chance
    Rain

  • Saturday Night

    Saturday Night: A 20 percent chance of rain before midnight. Mostly cloudy, with a low around 31.

    Low: 31 °F

    Slight Chance
    Rain then
    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 40.

    High: 40 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 23.

    Low: 23 °F

    Mostly Clear

Detailed Forecast

Overnight
Clear, with a low around 40. Light and variable wind.
Thursday
Increasing clouds, with a high near 64. Light east wind becoming southeast 8 to 13 mph in the morning. Winds could gust as high as 23 mph.
Thursday Night
A 30 percent chance of rain, mainly before 3am. Mostly cloudy, with a low around 55. Southeast wind 8 to 11 mph becoming southwest after midnight. Winds could gust as high as 23 mph.
Friday
Mostly cloudy through mid morning, then gradual clearing, with a high near 70. West wind 7 to 11 mph, with gusts as high as 21 mph.
Friday Night
Mostly clear, with a low around 44. West wind around 5 mph becoming calm in the evening.
Saturday
A 40 percent chance of rain after noon. Partly sunny, with a high near 63.
Saturday Night
A 20 percent chance of rain before midnight. Mostly cloudy, with a low around 31.
Sunday
Sunny, with a high near 40.
Sunday Night
Mostly clear, with a low around 23.
Monday
Sunny, with a high near 42.
Monday Night
Mostly clear, with a low around 28.
Veterans Day
Mostly sunny, with a high near 58.
Tuesday Night
Partly cloudy, with a low around 41.
Wednesday
Sunny, with a high near 61.
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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:
1:06 am CST Nov 6, 2025
Forecast Valid:
1am CST Nov 6, 2025-6pm CST Nov 12, 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