7 Day Weather Forecast for Crystal Lake, IL


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7 Day Forecast


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Hi 72°F

Tuesday: Rain showers in the morning with numerous thunderstorms developing in the afternoon. High around 65F. Winds S at 5 to 10 mph. Chance of rain 80%.

Tuesday night: Thunderstorms in the evening, then variable clouds overnight with still a chance of showers. Low around 50F. Winds ENE at 5 to 10 mph. Chance of rain 80%.

Lo 54°F


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Hi 65°F

Wednesday: A few morning showers. Highs in the low 60s and lows in the upper 40s.

Lo 50°F


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Hi 63°F

Thursday: A few clouds. Highs in the upper 60s and lows in the upper 40s.

Lo 49°F


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Hi 69°F

Friday: Cloudy with late day rain. Highs in the low 70s and lows in the upper 50s.

Lo 49°F


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Hi 73°F

Saturday: Mostly cloudy. Highs in the upper 70s and lows in the upper 50s.

Lo 57°F


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Hi 79°F

Sunday : Showers ending by midday. Highs in the mid 70s and lows in the mid 50s.

Lo 58°F


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Hi 75°F

Monday: Partly cloudy early then becoming cloudy with periods of rain this afternoon. Thunder possible. High 72F. Winds SW at 15 to 25 mph. Chance of rain 70%.

Monday night: Rain showers this evening with overcast skies overnight. Thunder possible. Low 54F. Winds SSW at 10 to 20 mph. Chance of rain 60%.

Lo 56°F

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