| Includes the counties: Cook Includes the cities: Chicago Rest Of Tonight... Clear. Lows 16 to 20. Northwest winds 10 to 20 mph. Friday... Sunny. Unseasonably cold. Highs in the lower 30s. West winds 10 to 15 mph. Friday Night... Mostly clear. Cold. Lows 14 to 18...Except around 20 downtown. Southwest winds 10 to 15 mph. Saturday... Partly sunny. Not as cold. Highs in the upper 30s. South winds 10 to 15 mph. Saturday Night... Partly cloudy. Lows in the mid 20s...Except around 30 downtown. South winds 10 to 15 mph. Sunday... Partly sunny in the morning then becoming mostly cloudy. Highs in the mid 40s. Sunday Night... Mostly cloudy with a 20 percent chance of light rain showers and light snow showers. Lows in the lower 30s. Monday... Mostly cloudy with a 20 percent chance of light snow showers. Highs around 40. Then temperatures falling into the lower 30s by evening. Monday Night... Partly cloudy. Lows in the upper 20s. Highs around 40. Tuesday... Partly cloudy. Lows in the upper 20s. Highs around 40. Wednesday... Partly cloudy. Lows in the upper 20s. Highs around 40. Wednesday Night... Mostly clear. Lows in the lower 30s. Highs in the mid 40s. Thanksgiving Day... Mostly clear. Lows in the lower 30s. Highs in the mid 40s. | 
