Flat Lake, IL Weather Forecast & Current Conditions

Night: Partly cloudy this evening, then clearing. Cooler with lows around 30. Northwest winds 10 to 15 mph.

Day: Mostly sunny. Highs in the mid 40s. North winds 10 to 15 mph.

Night: Mostly clear. Lows in the mid 20s. North winds around 5 mph.

Day: Sunny. Highs in the upper 40s. North winds around 5 mph.

Night: Clear. Lows in the mid 20s. Light and variable winds.

Night: Mostly clear. Highs around 50. Lows in the upper 20s.

Day: Clear. Highs in the lower 50s. Lows in the upper 20s.

Night: Clear. Highs in the lower 50s. Lows in the upper 20s.

Day: Sunny. Highs in the upper 50s.

Night: Partly cloudy. Lows in the upper 30s.

Day: Partly sunny. A slight chance of rain in the morning. Highs in the lower 60s. Chance of rain 20 percent.

Night: Partly cloudy this evening, then clearing. Cooler with lows around 30. Northwest winds 10 to 15 mph.

Day: Mostly sunny. Highs in the mid 40s. North winds 10 to 15 mph.

Night: Mostly clear. Lows in the mid 20s. North winds around 5 mph.

Day: Sunny. Highs in the upper 40s. North winds around 5 mph.

Night: Clear. Lows in the mid 20s. Light and variable winds.

Night: Mostly clear. Highs around 50. Lows in the upper 20s.

Day: Clear. Highs in the lower 50s. Lows in the upper 20s.

Night: Clear. Highs in the lower 50s. Lows in the upper 20s.

Day: Sunny. Highs in the upper 50s.

Night: Partly cloudy. Lows in the upper 30s.

Day: Partly sunny. A slight chance of rain in the morning. Highs in the lower 60s. Chance of rain 20 percent.

Night: Partly cloudy this evening, then becoming clear. Cooler with lows in the lower 30s. Northwest winds 10 to 15 mph.

Day: Mostly sunny. Highs in the mid 40s. North winds 10 to 15 mph.

Night: Mostly clear. Lows in the upper 20s. North winds around 5 mph.

Day: Sunny. Highs in the upper 40s. North winds around 5 mph.

Night: Clear. Lows in the upper 20s. Light and variable winds.

Day: Mostly clear. Highs in the lower 50s. Lows in the upper 20s.

Night: Clear. Lows in the lower 30s. Highs in the mid 50s.

Day: Mostly clear. Highs in the lower 50s. Lows in the upper 20s.

Night: Clear. Lows in the lower 30s. Highs in the mid 50s.

Day: Sunny. Highs around 60.

Night: Partly cloudy. Lows around 40.

Day: Partly sunny. A slight chance of rain in the morning. Highs in the mid 60s. Chance of rain 20 percent.

Night: Partly cloudy this evening, then becoming clear. Cooler with lows in the lower 30s. Northwest winds 10 to 15 mph.

Day: Mostly sunny. Highs in the mid 40s. North winds 10 to 15 mph.

Night: Mostly clear. Lows in the upper 20s. North winds around 5 mph.

Day: Sunny. Highs in the upper 40s. North winds around 5 mph.

Night: Clear. Lows in the upper 20s. Light and variable winds.

Day: Mostly clear. Highs in the lower 50s. Lows in the upper 20s.

Night: Clear. Lows in the lower 30s. Highs in the mid 50s.

Day: Mostly clear. Highs in the lower 50s. Lows in the upper 20s.

Night: Clear. Lows in the lower 30s. Highs in the mid 50s.

Day: Sunny. Highs around 60.

Night: Partly cloudy. Lows around 40.

Day: Partly sunny. A slight chance of rain in the morning. Highs in the mid 60s. Chance of rain 20 percent.

Night: Partly cloudy this evening, then clearing. Lows around 30. North winds 5 to 10 mph. Gusts up to 25 mph this evening.

Day: Sunny. Highs in the mid 40s. North winds 5 to 10 mph with gusts up to 20 mph.

Night: Clear. Lows in the mid 20s. North winds around 5 mph.

Day: Sunny. Highs in the mid 40s. Light and variable winds.

Night: Mostly clear. Lows in the mid 20s. Light and variable winds.

Night: Mostly clear. Highs in the upper 40s. Lows in the upper 20s.

Day: Clear. Highs in the mid 50s. Lows in the lower 30s.

Night: Clear. Highs in the mid 50s. Lows in the lower 30s.

Day: Mostly sunny. Highs in the upper 50s.

Night: Partly cloudy. A slight chance of rain after midnight. Not as cool with lows in the lower 40s. Chance of rain 20 percent.

Day: Partly sunny with a 20 percent chance of rain. Highs in the lower 60s.

Night: Mostly clear. Cooler with lows in the upper 20s. Northwest winds 5 to 10 mph.

Day: Sunny. Highs in the mid 40s. North winds 5 to 10 mph with gusts up to 20 mph.

Night: Clear. Lows in the lower 20s. North winds around 5 mph in the evening, becoming light and variable.

Day: Sunny. Highs in the upper 40s. Light and variable winds, becoming northeast around 5 mph in the afternoon.

Night: Mostly clear. Lows in the mid 20s. Light and variable winds.

Day: Mostly clear. Highs in the mid 50s. Lows in the mid 20s.

Night: Clear. Lows in the upper 20s. Highs in the upper 50s.

Day: Mostly clear. Highs in the mid 50s. Lows in the mid 20s.

Night: Clear. Lows in the upper 20s. Highs in the upper 50s.

Day: Sunny. Highs in the lower 60s.

Night: Partly cloudy. Not as cool with lows around 40.

Day: Partly sunny. A slight chance of rain in the morning. Highs in the mid 60s. Chance of rain 20 percent.

Night: Mostly clear. Cooler with lows around 30. North winds 10 to 15 mph with gusts up to 25 mph, becoming northwest around 5 mph after midnight.

Day: Mostly sunny. Highs in the mid 40s. North winds 5 to 10 mph with gusts up to 20 mph.

Night: Mostly clear. Lows in the mid 20s. North winds around 5 mph.

Day: Sunny. Highs in the upper 40s. Northwest winds around 5 mph.

Night: Clear. Lows in the mid 20s. Light and variable winds.

Night: Mostly clear. Highs around 50. Lows in the upper 20s.

Day: Clear. Highs in the mid 50s. Lows in the upper 20s.

Night: Clear. Highs in the mid 50s. Lows in the upper 20s.

Day: Sunny. Highs in the upper 50s.

Night: Partly cloudy. Lows around 40. Highs in the lower 60s.

Night: Partly cloudy this evening, then becoming clear. Cooler with lows in the lower 30s. Northwest winds 5 to 10 mph.

Day: Sunny. Highs in the mid 40s. North winds 5 to 10 mph with gusts up to 20 mph.

Night: Mostly clear. Lows in the mid 20s. North winds around 5 mph in the evening, becoming light and variable.

Day: Sunny. Highs in the upper 40s. North winds around 5 mph.

Night: Mostly clear. Lows in the mid 20s. Light and variable winds.

Day: Mostly clear. Highs in the mid 50s. Lows in the upper 20s.

Night: Clear. Lows in the upper 20s. Highs in the upper 50s.

Day: Mostly clear. Highs in the mid 50s. Lows in the upper 20s.

Night: Clear. Lows in the upper 20s. Highs in the upper 50s.

Day: Sunny. Highs in the lower 60s.

Night: Partly cloudy. Lows in the upper 30s.

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

Night: Mostly clear. Cooler with lows around 30. Northwest winds 10 to 15 mph.

Day: Mostly sunny. Highs in the mid 40s. North winds 10 to 15 mph.

Night: Mostly clear. Lows in the mid 20s. North winds around 5 mph.

Day: Sunny. Highs in the mid 40s. Northwest winds around 5 mph.

Night: Clear. Lows in the mid 20s. Light and variable winds.

Night: Mostly clear. Highs in the upper 40s. Lows in the upper 20s.

Day: Clear. Highs in the lower 50s. Lows in the upper 20s.

Night: Clear. Highs in the lower 50s. Lows in the upper 20s.

Day: Sunny. Highs in the upper 50s.

Night: Partly cloudy. Not as cool with lows around 40.

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

Night: Partly cloudy this evening, then becoming clear. Cooler with lows in the lower 30s. Northwest winds 5 to 10 mph.

Day: Sunny. Highs in the mid 40s. North winds 5 to 10 mph with gusts up to 20 mph.

Night: Mostly clear. Lows in the mid 20s. North winds around 5 mph in the evening, becoming light and variable.

Day: Sunny. Highs in the upper 40s. North winds around 5 mph.

Night: Mostly clear. Lows in the mid 20s. Light and variable winds.

Day: Mostly clear. Highs in the mid 50s. Lows in the upper 20s.

Night: Clear. Lows in the upper 20s. Highs in the upper 50s.

Day: Mostly clear. Highs in the mid 50s. Lows in the upper 20s.

Night: Clear. Lows in the upper 20s. Highs in the upper 50s.

Day: Sunny. Highs in the lower 60s.

Night: Partly cloudy. Lows in the upper 30s.

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

Night: Partly cloudy this evening, then becoming mostly clear. Cooler with lows in the lower 30s. Northwest winds 10 to 15 mph with gusts up to 25 mph.

Day: Mostly sunny. A slight chance of flurries in the morning. Highs in the mid 40s. North winds 10 to 15 mph.

Night: Mostly clear. Lows in the mid 20s. North winds around 5 mph.

Day: Sunny. Highs in the upper 40s. Northwest winds around 5 mph.

Night: Clear. Lows in the mid 20s. Light and variable winds.

Night: Mostly clear. Highs around 50. Lows in the upper 20s.

Day: Clear. Highs in the mid 50s. Lows in the upper 20s.

Night: Clear. Highs in the mid 50s. Lows in the upper 20s.

Day: Sunny. Highs in the upper 50s.

Night: Partly cloudy. Lows in the upper 30s. Highs in the lower 60s.

Night: Mostly clear. Cooler with lows in the upper 20s. North winds 5 to 10 mph.

Day: Sunny. Highs in the mid 40s. North winds 5 to 10 mph with gusts up to 20 mph.

Night: Clear. Lows in the lower 20s. North winds around 5 mph in the evening, becoming light and variable.

Day: Sunny. Highs in the upper 40s. Northeast winds around 5 mph.

Night: Mostly clear. Lows in the mid 20s. Light and variable winds.

Day: Mostly clear. Highs in the lower 50s. Lows in the upper 20s.

Night: Clear. Lows around 30. Highs in the mid 50s.

Day: Mostly clear. Highs in the lower 50s. Lows in the upper 20s.

Night: Clear. Lows around 30. Highs in the mid 50s.

Day: Sunny. Highs around 60.

Night: Partly cloudy. A slight chance of rain after midnight. Not as cool with lows in the lower 40s. Chance of rain 20 percent.

Day: Partly sunny. A slight chance of rain in the morning. Highs in the lower 60s. Chance of rain 20 percent.

Night: Mostly clear. Cooler with lows around 30. Northwest winds 10 to 15 mph with gusts up to 25 mph.

Day: Mostly sunny. Highs in the mid 40s. North winds 10 to 15 mph.

Night: Mostly clear. Lows in the mid 20s. Northwest winds 5 to 10 mph.

Day: Sunny. Highs in the upper 40s. Northwest winds around 5 mph.

Night: Clear. Lows in the mid 20s. Light and variable winds.

Night: Mostly clear. Highs in the upper 40s. Lows in the upper 20s.

Day: Clear. Highs in the lower 50s. Lows in the upper 20s.

Night: Clear. Highs in the lower 50s. Lows in the upper 20s.

Day: Sunny. Highs in the upper 50s.

Night: Partly cloudy. Lows in the upper 30s.

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

Night: Partly cloudy this evening, then becoming mostly clear. Cooler with lows in the lower 30s. Northwest winds 10 to 15 mph with gusts up to 25 mph.

Day: Mostly sunny. A slight chance of sprinkles and flurries in the morning. Highs in the mid 40s. North winds 10 to 15 mph.

Night: Mostly clear. Lows in the upper 20s. North winds 5 to 10 mph.

Day: Sunny. Highs in the upper 40s. Northwest winds around 5 mph.

Night: Clear. Lows in the mid 20s. Light and variable winds.

Day: Mostly clear. Highs in the lower 50s. Lows in the upper 20s.

Night: Clear. Lows around 30. Highs in the mid 50s.

Day: Mostly clear. Highs in the lower 50s. Lows in the upper 20s.

Night: Clear. Lows around 30. Highs in the mid 50s.

Day: Sunny. Highs around 60.

Night: Partly cloudy. Lows in the upper 30s. Highs in the mid 60s.

Night: Mostly clear. Lows around 30. Northwest winds 10 to 15 mph with gusts up to 25 mph.

Day: Mostly sunny. Highs in the mid 40s. North winds 5 to 10 mph with gusts up to 20 mph.

Night: Mostly clear. Lows in the mid 20s. North winds around 5 mph.

Day: Sunny. Highs in the upper 40s. Northwest winds around 5 mph.

Night: Clear. Lows in the mid 20s. Light and variable winds.

Night: Mostly clear. Highs in the upper 40s. Lows in the upper 20s.

Day: Clear. Highs in the mid 50s. Lows around 30.

Night: Clear. Highs in the mid 50s. Lows around 30.

Day: Sunny. Highs in the upper 50s.

Night: Partly cloudy. Not as cool with lows in the lower 40s.

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

Night: Mostly clear. Cooler with lows in the lower 30s. Northwest winds 10 to 15 mph with gusts up to 25 mph.

Day: Mostly sunny. Highs in the mid 40s. North winds 10 to 15 mph.

Night: Mostly clear. Lows in the mid 20s. Northwest winds 5 to 10 mph.

Day: Sunny. Highs in the upper 40s. Northwest winds around 5 mph.

Night: Clear. Lows in the mid 20s. Light and variable winds.

Night: Mostly clear. Highs in the upper 40s. Lows in the upper 20s.

Day: Clear. Highs in the lower 50s. Lows in the upper 20s.

Night: Clear. Highs in the lower 50s. Lows in the upper 20s.

Day: Sunny. Highs in the upper 50s.

Night: Partly cloudy. Lows in the upper 30s.

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

Night: Partly cloudy this evening, then becoming clear. Cooler with lows in the lower 30s. Northwest winds 5 to 10 mph. Gusts up to 25 mph this evening.

Day: Sunny, cooler with highs in the mid 40s. North winds 10 to 15 mph.

Night: Mostly clear. Lows in the mid 20s. North winds around 5 mph.

Day: Sunny. Highs in the upper 40s. North winds around 5 mph.

Night: Mostly clear. Lows in the mid 20s. Light and variable winds.

Day: Mostly clear. Highs in the mid 50s. Lows in the upper 20s.

Night: Clear. Lows in the upper 20s. Highs in the upper 50s.

Day: Mostly clear. Highs in the mid 50s. Lows in the upper 20s.

Night: Clear. Lows in the upper 20s. Highs in the upper 50s.

Day: Sunny. Highs in the lower 60s.

Night: Partly cloudy. Lows in the upper 30s. Highs in the mid 60s.

Night: Mostly clear. Cooler with lows around 30. North winds 5 to 10 mph with gusts up to 25 mph.

Day: Sunny, cooler with highs in the mid 40s. North winds 5 to 10 mph with gusts up to 20 mph.

Night: Clear. Lows in the mid 20s. North winds around 5 mph in the evening, becoming light and variable.

Day: Sunny. Highs around 50. North winds around 5 mph.

Night: Mostly clear. Lows in the mid 20s. Light and variable winds.

Night: Partly cloudy. Highs in the lower 50s. Lows in the upper 20s.

Day: Sunny. Highs in the mid 50s.

Night: Clear. Lows in the upper 20s. Highs in the upper 50s.

Night: Clear. Lows in the upper 20s. Highs in the upper 50s.

Day: Sunny. Highs in the lower 60s.

Night: Partly cloudy. Lows in the upper 30s. Highs in the mid 60s.

Night: Mostly clear. Lows in the lower 30s. Northwest winds 10 to 15 mph with gusts up to 25 mph.

Day: Mostly sunny. Highs in the mid 40s. North winds 10 to 15 mph.

Night: Clear. Lows in the mid 20s. Northwest winds around 5 mph.

Day: Sunny. Highs in the upper 40s. Northwest winds around 5 mph.

Night: Clear. Lows in the mid 20s. Light and variable winds.

Day: Sunny. Highs around 50.

Night: Clear. Lows in the upper 20s. Highs in the mid 50s.

Day: Clear. Lows in the upper 20s. Highs in the mid 50s.

Night: Partly cloudy. Lows around 40.

Night: Clear. Lows in the upper 20s. Highs in the mid 50s.

Day: Sunny. Highs in the upper 50s.

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

Night: Partly cloudy this evening, then becoming mostly clear. Lows in the lower 30s. Northwest winds 5 to 10 mph. Gusts up to 25 mph this evening.

Day: Mostly sunny. Highs in the lower 40s. North winds 10 to 15 mph.

Night: Mostly clear. Lows in the mid 20s. North winds around 5 mph.

Day: Sunny. Highs in the mid 40s. North winds around 5 mph in the morning, becoming light and variable.

Night: Clear. Lows in the mid 20s. Light and variable winds.

Night: Mostly clear. Highs in the upper 40s. Lows in the upper 20s.

Night: Clear. Highs in the lower 50s. Lows in the upper 20s.

Day: Sunny. Highs in the mid 50s.

Night: Clear. Lows in the lower 30s.

Day: Sunny. Highs in the upper 50s.

Night: Partly cloudy. Lows in the lower 40s. Highs in the lower 60s.