| Includes the counties: Cook Includes the cities: Chicago Tonight... Clear. Lows in the upper 50s...Except in the mid 60s downtown. Light and variable winds. Saturday... Sunny. Highs in the lower 80s. Light and variable winds. Saturday Night... Clear. Lows around 60...Except in the mid 60s downtown. Light and variable winds until early morning becoming southeast around 10 mph during the predawn hours. Sunday... Sunny. Highs in the mid 80s. Southeast winds around 10 mph. Sunday Night... Clear. Lows in the lower 60s. Southeast winds around 10 mph. Labor Day... Sunny. Highs in the mid 80s. Monday Night... Clear. Lows in the mid 60s. Tuesday... Sunny. Highs in the upper 80s. Tuesday Night... Partly cloudy. A 20 percent chance of showers and thunderstorms. Lows in the upper 60s. Highs in the mid 80s. Wednesday... Partly cloudy. A 20 percent chance of showers and thunderstorms. Lows in the upper 60s. Highs in the mid 80s. Thursday... Partly cloudy. A 20 percent chance of showers and thunderstorms. Lows in the upper 60s. Highs in the mid 80s. Thursday Night... Partly cloudy. Lows in the mid 60s. Friday... Partly sunny with a 30 percent chance of showers and thunderstorms. Highs in the mid 80s. | 
