Weather in Grayslake, Illinois, United States

7-Day Detailed Weather Forecast for Grayslake

Overnight

Temperature: 32°F

Wind Speed: 15 mph

Wind Direction: S

Forecast: A chance of rain showers after 4am. Mostly cloudy. Low around 32, with temperatures rising to around 42 overnight. South wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.

Thursday

Temperature: 47°F

Wind Speed: 15 to 20 mph

Wind Direction: SW

Forecast: Rain showers before 9am, then rain showers and patchy drizzle between 9am and 4pm, then a slight chance of snow showers. Mostly cloudy. High near 47, with temperatures falling to around 31 in the afternoon. Southwest wind 15 to 20 mph, with gusts as high as 40 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

Thursday Night

Temperature: 9°F

Wind Speed: 20 to 25 mph

Wind Direction: W

Forecast: Scattered snow showers. Mostly cloudy, with a low around 9. Wind chill values as low as -8. West wind 20 to 25 mph, with gusts as high as 40 mph. Chance of precipitation is 40%. New snow accumulation of less than half an inch possible.

Friday

Temperature: 25°F

Wind Speed: 10 to 20 mph

Wind Direction: W

Forecast: Mostly sunny, with a high near 25. Wind chill values as low as -9. West wind 10 to 20 mph, with gusts as high as 35 mph.

Friday Night

Temperature: 19°F

Wind Speed: 10 to 15 mph

Wind Direction: SSW

Forecast: Mostly cloudy, with a low around 19. South southwest wind 10 to 15 mph, with gusts as high as 25 mph.

Saturday

Temperature: 41°F

Wind Speed: 10 to 15 mph

Wind Direction: WSW

Forecast: A slight chance of snow after noon. Mostly cloudy, with a high near 41. Chance of precipitation is 20%.

Saturday Night

Temperature: 14°F

Wind Speed: 10 mph

Wind Direction: WNW

Forecast: Partly cloudy, with a low around 14.

Sunday

Temperature: 28°F

Wind Speed: 5 to 10 mph

Wind Direction: WNW

Forecast: Sunny, with a high near 28.

Sunday Night

Temperature: 17°F

Wind Speed: 5 mph

Wind Direction: SW

Forecast: Mostly cloudy, with a low around 17.

Monday

Temperature: 37°F

Wind Speed: 5 to 10 mph

Wind Direction: S

Forecast: Mostly cloudy, with a high near 37.

Monday Night

Temperature: 32°F

Wind Speed: 10 mph

Wind Direction: SSW

Forecast: Mostly cloudy, with a low around 32.

Tuesday

Temperature: 44°F

Wind Speed: 5 to 10 mph

Wind Direction: W

Forecast: Partly sunny, with a high near 44.

Tuesday Night

Temperature: 26°F

Wind Speed: 5 mph

Wind Direction: N

Forecast: Mostly cloudy, with a low around 26.

Wednesday

Temperature: 39°F

Wind Speed: 5 to 10 mph

Wind Direction: ESE

Forecast: Partly sunny, with a high near 39.