Weather in Crystal Lake, Illinois, United States

7-Day Detailed Weather Forecast for Crystal Lake

This Afternoon

Temperature: 50°F

Wind Speed: 15 to 20 mph

Wind Direction: W

Forecast: Rain showers likely before 4pm. Mostly cloudy. High near 50, with temperatures falling to around 34 in the afternoon. West wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch possible.

Tonight

Temperature: 9°F

Wind Speed: 20 to 25 mph

Wind Direction: W

Forecast: A chance of snow showers. Mostly cloudy, with a low around 9. Wind chill values as low as -9. West wind 20 to 25 mph, with gusts as high as 35 mph. Chance of precipitation is 50%. New snow accumulation of less than half an inch possible.

Friday

Temperature: 25°F

Wind Speed: 5 to 20 mph

Wind Direction: W

Forecast: Mostly sunny. High near 25, with temperatures falling to around 23 in the afternoon. Wind chill values as low as -10. West wind 5 to 20 mph, with gusts as high as 35 mph.

Friday Night

Temperature: 19°F

Wind Speed: 5 to 15 mph

Wind Direction: S

Forecast: Mostly cloudy, with a low around 19. South wind 5 to 15 mph, with gusts as high as 25 mph.

Saturday

Temperature: 40°F

Wind Speed: 15 mph

Wind Direction: WSW

Forecast: A slight chance of rain and snow after noon. Mostly cloudy, with a high near 40. West southwest wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.

Saturday Night

Temperature: 13°F

Wind Speed: 10 to 15 mph

Wind Direction: WNW

Forecast: Mostly clear, with a low around 13.

Sunday

Temperature: 24°F

Wind Speed: 0 to 10 mph

Wind Direction: W

Forecast: Sunny, with a high near 24.

Sunday Night

Temperature: 16°F

Wind Speed: 0 to 5 mph

Wind Direction: SSW

Forecast: Mostly cloudy, with a low around 16.

Monday

Temperature: 36°F

Wind Speed: 5 to 15 mph

Wind Direction: S

Forecast: Mostly cloudy, with a high near 36.

Monday Night

Temperature: 31°F

Wind Speed: 10 mph

Wind Direction: SSW

Forecast: Mostly cloudy, with a low around 31.

Tuesday

Temperature: 42°F

Wind Speed: 5 to 10 mph

Wind Direction: W

Forecast: Mostly cloudy, with a high near 42.

Tuesday Night

Temperature: 28°F

Wind Speed: 0 to 5 mph

Wind Direction: NNE

Forecast: Mostly cloudy, with a low around 28.

Wednesday

Temperature: 41°F

Wind Speed: 5 to 10 mph

Wind Direction: ESE

Forecast: Mostly cloudy, with a high near 41.

Wednesday Night

Temperature: 32°F

Wind Speed: 5 to 10 mph

Wind Direction: SSE

Forecast: A chance of rain. Mostly cloudy, with a low around 32.