Weather Forecast for
Crystal Lake, IL

Overnight: Patchy fog. Otherwise, mostly cloudy, with a low around 48. Calm wind.

Sunday: Patchy fog before 9am. Otherwise, partly sunny, with a high near 70. Calm wind becoming northeast around 5 mph.

Sunday Night: Partly cloudy, with a low around 49. Northeast wind around 5 mph becoming calm.

Monday: Sunny, with a high near 72. Calm wind.

Monday Night: Mostly clear, with a low around 51. Calm wind.

Tuesday: Mostly sunny, with a high near 73.

Tuesday Night: A 50 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 59.

Wednesday: A chance of showers. Cloudy, with a high near 70.

Wednesday Night: Showers likely, mainly after 1am. Cloudy, with a low around 61.

Thursday: Showers likely, mainly before 1pm. Cloudy, with a high near 71.

Thursday Night: A chance of showers. Mostly cloudy, with a low around 55.

Friday: A chance of showers. Mostly cloudy, with a high near 65.

Friday Night: A chance of showers. Mostly cloudy, with a low around 52.

Saturday: Partly sunny, with a high near 64.

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