10-Day Weather Forecast - Winnetka, IL

Partly cloudy in the morning, then clearing. A slight chance of showers and thunderstorms in the morning. Hot, humid with highs in the mid 90s. South winds around 5 mph, increasing to southwest in the afternoon. Chance of precipitation 20 percent. Heat index values up to 104.

Partly cloudy. A slight chance of showers and thunderstorms early in the evening, then a chance of showers and thunderstorms in the late evening and early morning. A slight chance of showers and thunderstorms late. Humid with lows in the lower 70s. West winds around 5 mph. Chance of precipitation 30 percent.

Partly cloudy in the morning, then becoming mostly cloudy. Humid with highs in the mid 80s inland, but only in the upper 70s near the lake. North winds 5 to 10 mph.

Partly cloudy. Humid with lows in the upper 60s. Northeast winds 5 to 10 mph.

Partly cloudy. Highs in the lower 80s inland, but only in the upper 70s near the lake.

Partly cloudy. Lows in the mid 60s.

Partly cloudy. Highs in the lower 80s inland, but only in the upper 70s near the lake.

Mostly cloudy. Lows in the mid 60s.

Mostly cloudy. Highs in the mid 80s.

Partly cloudy. A chance of showers after midnight. Lows in the lower 70s. Chance of precipitation 40 percent.

Mostly cloudy. Highs in the upper 80s.

Mostly cloudy. A chance of showers after midnight. Lows in the upper 60s. Chance of precipitation 40 percent.

Mostly cloudy. Highs in the lower 80s.

Mostly clear with a slight chance of rain. Chance of precipitation 25%. Low temperature around 69F. Dew point will be around 65F with an average humidity of 81%. Winds will be 2 mph from the N.

Mostly sunny with a slight chance of rain. Chance of precipitation 30%. High temperature around 77F. Dew point will be around 66F with an average humidity of 76%. Winds will be 2 mph from the NE.

Mostly clear. Low temperature around 68F. Dew point will be around 64F with an average humidity of 81%. Winds will be 2 mph from the E.

Sunny with a slight chance of rain. Chance of precipitation 25%. High temperature around 79F. Dew point will be around 67F with an average humidity of 75%. Winds will be 2 mph from the S.

Clear with a slight chance of rain. Chance of precipitation 25%. Low temperature around 69F. Dew point will be around 65F with an average humidity of 80%. Winds will be 2 mph from the S.