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December 8th, 2025 :: 2:55 am CST   

Local Weather Report for
South Beloit
Illinois, United States

 South Beloit Weather Forecast Summary  
 
Today
Dec 8th
Tuesday
Dec 9th
Wednesday
Dec 10th
Thursday
Dec 11th
Friday
Dec 12th
Cloudy Mix of rain and snow Mix of rain and snow Cloudy Cloudy
19°F
35°F
23°F
36°F
8°F
23°F
8°F
15°F
-5°F
 
 South Beloit Detailed Weather Forecast  
 
Monday, December 8th, 2025
Overnight Temperature: 0°F
Cloudy.
Morning Temperature: 15°F
Cloudy.
Afternoon Temperature: 9°F
Cloudy.
Evening Temperature: 17°F
Cloudy. Windy at times.
Tuesday, December 9th, 2025
Overnight Temperature: 24°F
Cloudy. Windy.
Morning Temperature: 29°F
Cloudy. Windy at times.
Afternoon Temperature: 28°F
Cloudy.
Evening Temperature: 33°F
Cloudy with flurries or showers likely. Risk of freezing rain. Windy at times.
Wednesday, December 10th, 2025
Overnight Temperature: 35°F
Cloudy with a few flurries or showers. Risk of freezing rain. Windy at times.
Morning Temperature: 29°F
Cloudy with a chance of flurries. Windy.
Afternoon Temperature: 19°F
Sunny.
Evening Temperature: 9°F
A mix of cloudy and clear skies.
Thursday, December 11th, 2025
Overnight Temperature: 10°F
Cloudy.
Morning Temperature: 20°F
Cloudy with a chance of flurries.
Afternoon Temperature: 20°F
Mostly cloudy with a chance of flurries.
Evening Temperature: 12°F
A mix of cloudy and clear skies.
Friday, December 12th, 2025
Overnight Temperature: 10°F
Cloudy.
Morning Temperature: 13°F
Cloudy with a chance of flurries. Windy.
Afternoon Temperature: 3°F
A mix of cloud and sun. Windy at times.
Evening Temperature: -4°F
Cloudy. Windy at times.
Saturday, December 13th, 2025
Overnight Temperature: -7°F
Cloudy. Windy at times.
Morning Temperature: -1°F
Cloudy. Windy at times.
Afternoon Temperature: 0°F
Cloudy.
Evening Temperature: -1°F
Cloudy.
Sunday, December 14th, 2025
Overnight Temperature: -3°F
Cloudy.
Morning Temperature: 4°F
A mix of sun and cloud.
Afternoon Temperature: 1°F
A mix of cloud and sun.
Evening Temperature: 6°F
Cloudy.
Monday, December 15th, 2025
Overnight Temperature: 13°F
Cloudy.
Morning Temperature: 21°F
Cloudy with flurries likely. Windy at times.
Afternoon Temperature: 21°F
A mix of cloud and sun with flurries likely.
Evening Temperature: 14°F
A mix of cloudy and clear skies. Windy at times.
Tuesday, December 16th, 2025
Overnight Temperature: 9°F
A mix of cloudy and clear skies. Windy at times.
Morning Temperature: 13°F
Mostly sunny.
Afternoon Temperature: 6°F
A mix of cloud and sun.
Evening Temperature: 11°F
Cloudy. Windy at times.





 

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This WeatherCity Weather Forecast for South Beloit, Illinois, United States is computed using a computer-generated forecast model and should be considered experimental. Please confirm this weather information with your official weather information office

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