Arrowhead Lake, IL Weather Forecast & Current Conditions

Night: Mostly cloudy. Lows around 60. East winds around 5 mph.

Day: Mostly cloudy. Highs around 70. East winds 5 to 10 mph.

Night: Mostly cloudy. Lows in the mid 50s. East winds 5 to 10 mph.

Day: Mostly sunny. Highs in the lower 70s. East winds around 5 mph.

Night: Mostly cloudy. Lows in the mid 50s. East winds around 5 mph.

Night: Partly cloudy. Highs in the lower 70s. Lows in the lower 50s.

Night: Mostly clear. Highs in the mid 70s. Lows in the mid 50s.

Day: Mostly sunny. Highs in the upper 70s.

Night: Mostly cloudy with a 50 percent chance of showers. Lows in the mid 60s.

Day: Showers likely. Highs in the mid 70s. Chance of rain 60 percent.

Night: Mostly cloudy with a 50 percent chance of showers. Lows in the lower 60s.

Day: Mostly sunny with a 50 percent chance of showers. Highs in the lower 70s.

Night: Mostly cloudy. Lows around 60. East winds around 5 mph.

Day: Mostly cloudy. Highs in the lower 70s. East winds 5 to 10 mph.

Night: Mostly cloudy. Lows in the mid 50s. East winds 5 to 10 mph.

Day: Mostly sunny. Highs in the lower 70s. East winds around 5 mph.

Night: Mostly cloudy. Lows in the upper 50s. East winds around 5 mph.

Day: Partly sunny. Highs in the lower 70s.

Night: Partly cloudy. Lows in the mid 50s.

Night: Mostly clear. Highs in the mid 70s. Lows in the upper 50s.

Day: Mostly sunny. Highs in the upper 70s.

Night: Mostly cloudy with a 50 percent chance of showers. Lows in the mid 60s.

Day: Showers likely. Highs in the mid 70s. Chance of rain 60 percent.

Night: Mostly cloudy with a 50 percent chance of showers. Lows in the lower 60s.

Day: Mostly sunny with a 50 percent chance of showers. Highs in the mid 70s.

Night: Mostly cloudy. Lows around 60. East winds around 5 mph.

Day: Mostly cloudy. A slight chance of sprinkles in the morning. Highs in the upper 60s. East winds 5 to 10 mph.

Night: Mostly cloudy. Lows in the mid 50s. East winds 5 to 10 mph.

Day: Mostly sunny. Highs in the lower 70s. East winds 5 to 10 mph.

Night: Mostly cloudy. Lows in the mid 50s. East winds around 5 mph.

Day: Partly sunny. Highs in the lower 70s.

Night: Partly cloudy. Lows in the lower 50s.

Night: Mostly clear. Highs in the mid 70s. Lows in the upper 50s.

Day: Mostly sunny. Highs in the mid 70s.

Night: Showers likely. Lows in the mid 60s. Highs in the mid 70s. Chance of rain 60 percent.

Night: Mostly cloudy with a 50 percent chance of showers. Lows in the lower 60s.

Day: Mostly sunny with a 40 percent chance of showers. Highs in the lower 70s.

Night: Mostly cloudy. Lows in the upper 50s. East winds around 5 mph.

Day: Mostly cloudy in the morning, then becoming partly sunny. Highs in the upper 60s. East winds 5 to 10 mph.

Night: Mostly cloudy in the evening, then becoming partly cloudy. Lows in the lower 50s. East winds around 5 mph.

Day: Mostly sunny. Highs in the lower 70s. East winds around 5 mph.

Night: Mostly cloudy. Lows in the lower 50s. East winds around 5 mph.

Night: Partly cloudy. Highs in the lower 70s. Lows in the lower 50s.

Night: Mostly clear. Highs in the mid 70s. Lows in the mid 50s.

Day: Mostly sunny. Highs in the mid 70s.

Night: Mostly cloudy with a 50 percent chance of showers. Lows in the mid 60s.

Day: Showers likely, mainly in the morning. Highs in the mid 70s. Chance of rain 60 percent.

Night: Mostly cloudy with a 50 percent chance of showers. Lows in the lower 60s.

Day: Mostly sunny with a 50 percent chance of showers. Highs in the lower 70s.

Night: Mostly cloudy. Lows in the upper 50s. East winds around 5 mph.

Day: Mostly cloudy in the morning, then becoming partly sunny. Highs in the lower 70s. East winds around 5 mph.

Night: Mostly cloudy. Lows in the lower 50s. Northeast winds around 5 mph.

Day: Mostly sunny. Highs in the lower 70s. East winds around 5 mph.

Night: Mostly cloudy. Lows in the mid 50s. East winds around 5 mph.

Night: Partly cloudy. Highs in the lower 70s. Lows in the lower 50s.

Night: Mostly clear. Highs in the mid 70s. Lows in the mid 50s.

Day: Mostly sunny. Highs in the upper 70s.

Night: Mostly cloudy with a 40 percent chance of showers. Lows in the mid 60s.

Day: Showers likely, mainly in the morning. Highs in the upper 70s. Chance of rain 60 percent.

Night: Mostly cloudy with a 50 percent chance of showers. Lows in the lower 60s.

Day: Mostly sunny with a 50 percent chance of showers. Highs in the mid 70s.

Night: Mostly cloudy. Lows around 60. East winds around 5 mph.

Day: Mostly cloudy. A slight chance of sprinkles in the morning. Highs in the upper 60s. East winds 5 to 10 mph.

Night: Mostly cloudy in the evening, then becoming partly cloudy. Lows in the lower 50s. East winds 5 to 10 mph.

Day: Mostly sunny. Highs in the upper 60s. East winds around 5 mph.

Night: Mostly cloudy. Lows in the mid 50s. East winds around 5 mph.

Day: Partly sunny. Highs around 70.

Night: Partly cloudy. Lows in the lower 50s.

Night: Mostly clear. Highs in the lower 70s. Lows in the upper 50s.

Day: Mostly sunny. Highs in the mid 70s.

Night: Showers likely. Lows in the mid 60s. Highs in the lower 70s. Chance of rain 60 percent.

Night: Mostly cloudy with a 50 percent chance of showers. Lows in the lower 60s.

Day: Mostly sunny with a 40 percent chance of showers. Highs in the lower 70s.

Night: Mostly cloudy. Lows around 60. East winds around 5 mph.

Day: Mostly cloudy. Highs in the lower 70s. East winds around 5 mph.

Night: Mostly cloudy. Lows in the mid 50s. East winds around 5 mph.

Day: Mostly sunny. Highs in the lower 70s. East winds around 5 mph.

Night: Mostly cloudy. Lows in the mid 50s. East winds around 5 mph.

Night: Partly cloudy. Highs in the lower 70s. Lows in the lower 50s.

Night: Mostly clear. Highs in the mid 70s. Lows in the mid 50s.

Day: Mostly sunny. Highs in the upper 70s.

Night: Mostly cloudy with a 50 percent chance of showers. Lows in the mid 60s.

Day: Showers likely in the morning, then partly sunny with a chance of showers in the afternoon. Highs in the mid 70s. Chance of rain 60 percent.

Night: Mostly cloudy with a 50 percent chance of showers. Lows in the lower 60s.

Day: Mostly sunny with a 50 percent chance of showers. Highs in the mid 70s.

Night: Mostly cloudy. Lows in the lower 60s. East winds around 5 mph.

Day: Mostly cloudy. A slight chance of sprinkles in the morning. Highs around 70. East winds 5 to 10 mph.

Night: Mostly cloudy. Lows in the mid 50s. East winds 5 to 10 mph.

Day: Partly sunny. Highs around 70. Southeast winds around 5 mph.

Night: Mostly cloudy. Lows in the upper 50s. East winds around 5 mph.

Day: Mostly cloudy in the morning, then becoming partly sunny. Highs in the lower 70s.

Night: Partly cloudy. Lows in the mid 50s. Highs in the mid 70s.

Night: Mostly clear. Lows in the upper 50s.

Day: Partly sunny. A chance of showers in the afternoon. Highs in the mid 70s. Chance of rain 30 percent.

Night: Showers likely. Lows in the mid 60s. Highs in the mid 70s. Chance of rain 60 percent.

Night: Mostly cloudy with a 50 percent chance of showers. Lows in the mid 60s.

Day: Mostly sunny with a 40 percent chance of showers. Highs in the lower 70s.

Night: Mostly cloudy. Lows in the upper 50s. East winds around 5 mph.

Day: Partly sunny. Highs in the lower 70s. East winds around 5 mph.

Night: Mostly cloudy. Lows in the mid 50s. Northeast winds around 5 mph.

Day: Mostly sunny. Highs in the lower 70s. East winds around 5 mph.

Night: Mostly cloudy in the evening, then becoming partly cloudy. Lows in the mid 50s. East winds around 5 mph.

Night: Partly cloudy. Highs in the lower 70s. Lows in the lower 50s.

Night: Mostly clear. Highs in the mid 70s. Lows in the mid 50s.

Day: Mostly sunny. Highs in the upper 70s.

Night: Mostly cloudy. A chance of showers after midnight. Lows in the mid 60s. Chance of rain 40 percent.

Day: Showers likely, mainly in the morning. Highs in the upper 70s. Chance of rain 60 percent.

Night: Mostly cloudy with a 50 percent chance of showers. Lows in the lower 60s.

Day: Mostly sunny with a 50 percent chance of showers. Highs in the mid 70s.

Night: Mostly cloudy. Lows around 60. East winds around 5 mph.

Day: Mostly cloudy. Highs in the lower 70s. East winds around 5 mph.

Night: Mostly cloudy. Lows in the mid 50s. East winds around 5 mph.

Day: Partly sunny. Highs in the lower 70s. East winds around 5 mph.

Night: Mostly cloudy. Lows in the mid 50s. East winds around 5 mph.

Day: Partly sunny. Highs in the lower 70s.

Night: Partly cloudy. Lows in the lower 50s.

Night: Mostly clear. Highs in the mid 70s. Lows in the mid 50s.

Day: Mostly sunny. Highs in the upper 70s.

Night: Mostly cloudy with a 50 percent chance of showers. Lows in the mid 60s.

Day: Showers likely, mainly in the morning. Highs in the mid 70s. Chance of rain 60 percent.

Night: Mostly cloudy with a 50 percent chance of showers. Lows in the lower 60s.

Day: Mostly sunny with a 50 percent chance of showers. Highs in the mid 70s.

Night: Mostly cloudy. Lows in the lower 60s. East winds around 5 mph.

Day: Mostly cloudy. A slight chance of sprinkles in the morning. Highs in the lower 70s. East winds around 5 mph.

Night: Mostly cloudy. Lows in the upper 50s. East winds around 5 mph.

Day: Partly sunny in the morning, then becoming mostly cloudy. Highs around 70. East winds around 5 mph.

Night: Mostly cloudy. Lows in the upper 50s. East winds around 5 mph.

Day: Mostly cloudy in the morning, then becoming partly sunny. Highs in the lower 70s.

Night: Partly cloudy. Lows in the mid 50s. Highs in the mid 70s.

Night: Mostly clear in the evening, then becoming partly cloudy. Lows around 60.

Day: Partly sunny. A chance of showers in the afternoon. Highs in the upper 70s. Chance of rain 30 percent.

Night: Mostly cloudy. A chance of showers in the evening, then showers likely after midnight. Lows in the mid 60s. Chance of rain 60 percent.

Day: Showers likely. Highs in the mid 70s. Chance of rain 70 percent.

Night: Mostly cloudy with a 50 percent chance of showers. Lows in the mid 60s.

Day: Mostly sunny with a 40 percent chance of showers. Highs in the mid 70s.

Night: Mostly cloudy. Lows in the upper 50s. East winds around 5 mph.

Day: Mostly cloudy. Isolated sprinkles in the morning. Highs in the upper 60s. East winds around 5 mph.

Night: Mostly cloudy in the evening, then becoming partly cloudy. Lows in the lower 50s. East winds around 5 mph.

Day: Partly cloudy. Highs in the lower 70s. East winds around 5 mph.

Night: Mostly cloudy. Lows in the lower 50s. East winds around 5 mph.

Day: Partly cloudy. Highs in the lower 70s.

Night: Partly cloudy. Lows around 50.

Day: Mostly sunny. Highs in the lower 70s.

Night: Mostly clear. Lows in the mid 50s.

Day: Partly cloudy. Highs in the mid 70s.

Night: Mostly cloudy with a 50 percent chance of showers. Lows in the lower 60s.

Day: Mostly cloudy. Showers likely, mainly in the morning. Highs in the mid 70s. Chance of precipitation 60 percent.

Night: Mostly cloudy with a 50 percent chance of showers. Lows in the lower 60s.

Day: Mostly cloudy in the morning, then becoming partly cloudy. A 40 percent chance of showers. Highs in the lower 70s.

Night: Mostly cloudy. Lows in the lower 60s. East winds around 5 mph.

Day: Mostly cloudy. Highs in the lower 70s. East winds around 5 mph.

Night: Mostly cloudy. Lows in the mid 50s. East winds around 5 mph.

Day: Partly sunny in the morning, then becoming mostly cloudy. Highs in the lower 70s. East winds around 5 mph.

Night: Mostly cloudy. Lows in the upper 50s. East winds around 5 mph.

Day: Mostly cloudy in the morning, then becoming partly sunny. Highs in the lower 70s.

Night: Partly cloudy. Lows in the mid 50s. Highs in the mid 70s.

Night: Mostly clear. Lows in the upper 50s.

Day: Mostly sunny. A chance of showers in the afternoon. Highs in the upper 70s. Chance of rain 30 percent.

Night: Mostly cloudy with a 50 percent chance of showers. Lows in the mid 60s.

Day: Showers likely. Highs in the mid 70s. Chance of rain 60 percent.

Night: Mostly cloudy with a 50 percent chance of showers. Lows in the lower 60s.

Day: Mostly sunny with a 50 percent chance of showers. Highs in the mid 70s.

Night: Mostly cloudy. Lows in the upper 50s. East winds around 5 mph.

Day: Mostly cloudy in the morning, then becoming partly sunny. Highs in the upper 60s. East winds around 5 mph.

Night: Mostly cloudy in the evening, then becoming partly cloudy. Lows in the lower 50s. Northeast winds around 5 mph.

Day: Mostly sunny. Highs in the lower 70s. East winds around 5 mph.

Night: Partly cloudy. Lows in the lower 50s. East winds around 5 mph in the evening, becoming light and variable.

Night: Partly cloudy. Highs in the lower 70s. Lows around 50.

Night: Mostly clear. Highs in the lower 70s. Lows in the mid 50s.

Day: Mostly sunny. Highs in the mid 70s.

Night: Mostly cloudy with a 50 percent chance of showers. Lows in the lower 60s. Highs in the mid 70s.

Night: Mostly cloudy with a 50 percent chance of showers. Lows in the lower 60s. Highs in the mid 70s.

Day: Mostly sunny with a 50 percent chance of showers. Highs in the mid 70s.

Night: Mostly cloudy. Lows in the lower 60s. East winds around 5 mph.

Day: Mostly cloudy. A slight chance of sprinkles in the morning. Highs in the upper 60s. East winds around 5 mph.

Night: Mostly cloudy in the evening, then becoming partly cloudy. Lows in the mid 50s. East winds around 5 mph.

Day: Partly sunny. Highs in the upper 60s. Southeast winds around 5 mph.

Night: Mostly cloudy. Lows in the upper 50s. East winds around 5 mph.

Day: Partly sunny. Highs around 70.

Night: Partly cloudy. Lows in the mid 50s. Highs in the lower 70s.

Night: Mostly clear. Lows in the upper 50s.

Day: Partly sunny. A chance of showers in the afternoon. Highs in the mid 70s. Chance of rain 30 percent.

Night: Mostly cloudy. A chance of showers in the evening, then showers likely after midnight. Lows in the mid 60s. Chance of rain 70 percent.

Day: Showers likely. Highs in the lower 70s. Chance of rain 70 percent.

Night: Mostly cloudy with a 50 percent chance of showers. Lows in the lower 60s.

Day: Mostly sunny with a 40 percent chance of showers. Highs in the lower 70s.

Night: Mostly cloudy. Lows in the upper 50s. East winds around 5 mph.

Day: Partly sunny. Highs in the lower 70s. Northeast winds around 5 mph.

Night: Mostly cloudy. Lows in the lower 50s. Northeast winds around 5 mph.

Day: Mostly sunny. Highs in the lower 70s. East winds around 5 mph.

Night: Partly cloudy. Lows in the lower 50s. Northeast winds around 5 mph.

Night: Partly cloudy. Highs in the lower 70s. Lows around 50.

Night: Mostly clear. Highs in the mid 70s. Lows in the mid 50s.

Day: Mostly sunny. Highs in the upper 70s.

Night: Mostly cloudy. A chance of showers after midnight. Lows in the lower 60s. Chance of rain 40 percent.

Day: Mostly cloudy with a 50 percent chance of showers. Highs in the upper 70s. Lows in the lower 60s.

Day: Mostly cloudy with a 50 percent chance of showers. Highs in the upper 70s. Lows in the lower 60s.

Night: Mostly cloudy. Lows in the upper 50s. East winds around 5 mph.

Day: Mostly cloudy. Isolated sprinkles in the morning. Highs in the upper 60s. East winds around 5 mph.

Night: Mostly cloudy in the evening, then becoming partly cloudy. Lows around 50. East winds around 5 mph.

Day: Partly cloudy. Highs in the lower 70s. East winds around 5 mph.

Night: Partly cloudy in the evening, then becoming mostly cloudy. Lows around 50. Light and variable winds.

Day: Partly cloudy. Highs in the lower 70s.

Night: Partly cloudy. Lows in the upper 40s.

Day: Mostly sunny. Highs in the lower 70s.

Night: Mostly clear. Lows in the lower 50s.

Day: Partly cloudy. Highs in the mid 70s.

Night: Mostly cloudy. A chance of showers after midnight. Lows in the lower 60s. Chance of precipitation 50 percent.

Day: Mostly cloudy with a 50 percent chance of showers. Highs in the mid 70s.

Night: Mostly cloudy with a 50 percent chance of showers. Lows in the lower 60s.

Day: Mostly cloudy in the morning, then becoming partly cloudy. A 40 percent chance of showers. Highs in the lower 70s.

Night: Mostly cloudy. Isolated sprinkles late. Lows in the lower 60s. East winds around 5 mph.

Day: Mostly cloudy. Isolated showers early in the morning, then isolated sprinkles late in the morning. Highs in the upper 60s. East winds around 5 mph. Chance of precipitation 20 percent.

Night: Mostly cloudy in the evening, then becoming partly cloudy. Lows in the lower 50s. East winds around 5 mph.

Day: Partly cloudy. Highs around 70. East winds around 5 mph.

Night: Mostly cloudy. Lows in the lower 50s. East winds around 5 mph.

Day: Mostly cloudy. Highs in the lower 70s.

Night: Partly cloudy. Lows in the lower 50s.

Day: Mostly sunny. Highs in the lower 70s.

Night: Mostly clear in the evening, then becoming partly cloudy. Lows in the mid 50s.

Day: Partly cloudy in the morning, then becoming mostly cloudy. Highs in the mid 70s.

Night: Mostly cloudy. A chance of showers in the evening, then showers likely after midnight. Lows in the mid 60s. Chance of precipitation 60 percent.

Day: Mostly cloudy. Showers likely, mainly in the morning. Highs in the mid 70s. Chance of precipitation 60 percent.

Night: Mostly cloudy with a 50 percent chance of showers. Lows in the lower 60s.

Day: Mostly cloudy in the morning, then becoming partly cloudy. A 40 percent chance of showers. Highs in the lower 70s.

Night: Mostly cloudy. Lows in the upper 50s. East winds around 5 mph.

Day: Partly sunny. Highs in the lower 70s. Northeast winds around 5 mph.

Night: Mostly cloudy. Lows in the mid 50s. Northeast winds around 5 mph.

Day: Mostly sunny. Highs in the lower 70s. East winds around 5 mph.

Night: Mostly cloudy. Lows in the mid 50s. Northeast winds around 5 mph.

Night: Partly cloudy. Highs in the lower 70s. Lows in the lower 50s.

Night: Mostly clear. Highs in the mid 70s. Lows in the mid 50s.

Day: Mostly sunny. Highs in the upper 70s.

Night: Mostly cloudy. A chance of showers after midnight. Lows in the mid 60s. Chance of rain 40 percent.

Day: Mostly cloudy in the morning, then becoming partly sunny. A chance of showers. Highs in the upper 70s. Chance of rain 50 percent.

Night: Mostly cloudy. A 50 percent chance of showers. Lows in the lower 60s. Highs in the mid 70s.

Night: Mostly cloudy. Lows in the lower 60s. East winds around 5 mph.

Day: Mostly cloudy. A slight chance of sprinkles in the morning. Highs in the upper 60s. East winds around 5 mph.

Night: Mostly cloudy in the evening, then becoming partly cloudy. Lows in the lower 50s. East winds around 5 mph.

Day: Mostly sunny. Highs in the upper 60s. East winds around 5 mph.

Night: Mostly cloudy. Lows in the mid 50s. East winds around 5 mph.

Day: Partly sunny. Highs in the upper 60s.

Night: Partly cloudy. Lows in the lower 50s. Highs in the lower 70s.

Night: Mostly clear in the evening, then becoming partly cloudy. Lows in the upper 50s.

Day: Partly sunny. A chance of showers in the afternoon. Highs in the mid 70s. Chance of rain 30 percent.

Night: Mostly cloudy. A chance of showers in the evening, then showers likely after midnight. Lows in the mid 60s. Chance of rain 70 percent.

Day: Showers likely. Highs in the lower 70s. Chance of rain 70 percent.

Night: Mostly cloudy with a 50 percent chance of showers. Lows in the lower 60s.

Day: Mostly sunny with a 40 percent chance of showers. Highs in the lower 70s.