Weather in Lake Forest, Illinois, United States

7-Day Detailed Weather Forecast for Lake Forest

This Afternoon

Temperature: 33°F

Wind Speed: 10 mph

Wind Direction: W

Forecast: Mostly cloudy. High near 33, with temperatures falling to around 30 in the afternoon. West wind around 10 mph, with gusts as high as 20 mph.

Tonight

Temperature: 28°F

Wind Speed: 10 to 15 mph

Wind Direction: WSW

Forecast: Mostly cloudy, with a low around 28. West southwest wind 10 to 15 mph, with gusts as high as 30 mph.

Monday

Temperature: 42°F

Wind Speed: 10 to 15 mph

Wind Direction: WSW

Forecast: Mostly sunny. High near 42, with temperatures falling to around 38 in the afternoon. West southwest wind 10 to 15 mph, with gusts as high as 25 mph.

Monday Night

Temperature: 34°F

Wind Speed: 10 to 15 mph

Wind Direction: SW

Forecast: Partly cloudy, with a low around 34. Southwest wind 10 to 15 mph.

Tuesday

Temperature: 47°F

Wind Speed: 15 mph

Wind Direction: WSW

Forecast: A chance of rain. Partly sunny, with a high near 47. West southwest wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.

Tuesday Night

Temperature: 29°F

Wind Speed: 10 to 15 mph

Wind Direction: W

Forecast: A chance of rain. Mostly cloudy, with a low around 29. Chance of precipitation is 30%.

Wednesday

Temperature: 36°F

Wind Speed: 15 to 25 mph

Wind Direction: NW

Forecast: Rain and snow. Mostly cloudy, with a high near 36. New snow accumulation of around one inch possible.

Wednesday Night

Temperature: 16°F

Wind Speed: 15 to 20 mph

Wind Direction: NNW

Forecast: A chance of snow. Mostly cloudy, with a low around 16.

Thursday

Temperature: 27°F

Wind Speed: 10 to 15 mph

Wind Direction: NW

Forecast: A slight chance of snow. Partly sunny, with a high near 27.

Thursday Night

Temperature: 23°F

Wind Speed: 10 mph

Wind Direction: WSW

Forecast: A chance of snow. Mostly cloudy, with a low around 23.

Friday

Temperature: 33°F

Wind Speed: 10 to 15 mph

Wind Direction: SW

Forecast: A chance of snow. Mostly cloudy, with a high near 33.

Friday Night

Temperature: 19°F

Wind Speed: 10 mph

Wind Direction: WSW

Forecast: A chance of snow. Mostly cloudy, with a low around 19.

Saturday

Temperature: 26°F

Wind Speed: 10 to 15 mph

Wind Direction: WNW

Forecast: A chance of snow. Mostly cloudy, with a high near 26.

Saturday Night

Temperature: 12°F

Wind Speed: 15 mph

Wind Direction: W

Forecast: A chance of snow. Mostly cloudy, with a low around 12.