7-Day Forecast 42.35°N 88.02°W (Text-Only)
NWS Forecast for: Grayslake IL
Issued by: National Weather Service Chicago, IL
Last Update: 2:43 am CST Feb 17, 2025




Washington's Birthday: Increasing clouds and cold, with a high near 9. Wind chill values as low as -17. West wind 10 to 15 mph, with gusts as high as 25 mph.

Tonight: Partly cloudy, with a low around -6. Wind chill values as low as -23. Northwest wind around 10 mph, with gusts as high as 25 mph.

Tuesday: Sunny and cold, with a high near 9. Wind chill values as low as -24. North northwest wind 5 to 10 mph, with gusts as high as 20 mph.

Tuesday Night: Mostly cloudy, with a low around 0. Wind chill values as low as -13. North northwest wind around 5 mph, with gusts as high as 15 mph.

Wednesday: A 20 percent chance of snow after noon. Mostly cloudy, with a high near 13. Northwest wind 5 to 10 mph, with gusts as high as 15 mph.

Wednesday Night: A 30 percent chance of snow, mainly before midnight. Mostly cloudy, with a low around 0.

Thursday: Mostly sunny, with a high near 18.

Thursday Night: Partly cloudy, with a low around 3.

Friday: Mostly sunny, with a high near 23.

Friday Night: Mostly cloudy, with a low around 7.

Saturday: Mostly sunny, with a high near 27.

Saturday Night: Partly cloudy, with a low around 17.

Sunday: Partly sunny, with a high near 35.



Grayslake IL
 42.35°N 88.02°W

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