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November 29th, 2025 :: 6:55 am CST   

Local Weather Report for
Crystal Lake
Illinois, United States

 Crystal Lake Weather Forecast Summary  
 
Today
Nov 29th
Sunday
Nov 30th
Monday
Dec 1st
Tuesday
Dec 2nd
Wednesday
Dec 3rd
Mix of rain and snow Cloudy Flurries Cloudy Flurries
32°F
28°F
10°F
24°F
13°F
24°F
13°F
29°F
15°F
 
 Crystal Lake Detailed Weather Forecast  
 
Saturday, November 29th, 2025
Morning Temperature: 28°F
Cloudy with a few flurries. Windy at times.
Afternoon Temperature: 28°F
Cloudy with a few flurries. Windy at times.
Evening Temperature: 31°F
Cloudy with flurries or showers likely.
Sunday, November 30th, 2025
Overnight Temperature: 26°F
Cloudy with a chance of flurries. Windy.
Morning Temperature: 26°F
A mix of cloud and sun with a slight chance of flurries. Windy at times.
Afternoon Temperature: 20°F
Sunny.
Evening Temperature: 13°F
Cloudy.
Monday, December 1st, 2025
Overnight Temperature: 15°F
Cloudy.
Morning Temperature: 22°F
Cloudy with a chance of flurries.
Afternoon Temperature: 24°F
Cloudy with flurries likely.
Evening Temperature: 23°F
Cloudy with flurries likely.
Tuesday, December 2nd, 2025
Overnight Temperature: 17°F
A mix of cloudy and clear skies with a chance of flurries.
Morning Temperature: 20°F
Sunny with cloudy periods.
Afternoon Temperature: 14°F
Sunny with cloudy periods.
Evening Temperature: 13°F
Cloudy.
Wednesday, December 3rd, 2025
Overnight Temperature: 17°F
Cloudy. Windy at times.
Morning Temperature: 26°F
Cloudy. Windy at times.
Afternoon Temperature: 28°F
Cloudy.
Evening Temperature: 28°F
Cloudy with flurries likely.
Thursday, December 4th, 2025
Overnight Temperature: 22°F
A mix of cloudy and clear skies. Windy at times.
Morning Temperature: 22°F
Cloudy. Windy at times.
Afternoon Temperature: 9°F
Sunny.
Evening Temperature: 4°F
Clear.
Friday, December 5th, 2025
Overnight Temperature: 1°F
Clear.
Morning Temperature: 18°F
Cloudy.
Afternoon Temperature: 17°F
Cloudy.
Evening Temperature: 17°F
Mostly cloudy.
Saturday, December 6th, 2025
Overnight Temperature: 15°F
A mix of cloudy and clear skies.
Morning Temperature: 26°F
Cloudy. Windy at times.
Afternoon Temperature: 30°F
Cloudy. Windy at times.
Evening Temperature: 29°F
Cloudy.
Sunday, December 7th, 2025
Overnight Temperature: 32°F
Cloudy.
Morning Temperature: 32°F
Cloudy.
Afternoon Temperature: 31°F
Cloudy.
Evening Temperature: 31°F
Cloudy.





 

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This WeatherCity Weather Forecast for Crystal Lake, 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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