| NWS Forecast for: Southern Cook Issued by: National Weather Service Chicago, IL Last Update: 120 AM CDT Wed Jul 22 2026 |  |
Rest Of Tonight: Mostly cloudy. Lows in the lower 60s. North winds around 10 mph. Wednesday: Partly cloudy. Highs in the lower 70s. North winds 10 to 15 mph. Wednesday Night: Mostly clear. Lows in the upper 50s. Northeast winds 5 to 10 mph, becoming west after midnight. Thursday: Mostly sunny in the morning, then becoming partly cloudy. Highs in the upper 70s. South winds around 5 mph, becoming southeast in the afternoon. Thursday Night: Partly cloudy in the evening, then becoming mostly cloudy. Lows around 60. Southeast winds around 5 mph. Friday: Partly cloudy. Highs around 80. Friday Night: Mostly clear in the evening, then becoming partly cloudy. Lows in the lower 60s. Saturday: Partly cloudy. Highs in the lower 80s. Saturday Night: Partly cloudy. Lows around 70. Sunday: Partly cloudy in the morning, then becoming mostly cloudy. Highs in the lower 90s. Sunday Night: A chance of thunderstorms in the evening. Partly cloudy with a chance of showers. Lows in the lower 70s. Chance of precipitation 40 percent. Monday: Partly cloudy. Highs in the upper 80s. Monday Night: Mostly clear. Lows in the upper 60s. Tuesday: Partly cloudy. Highs in the mid 80s. | |
| Zone Forecast: Southern Cook | |
Visit your local NWS office at: https://www.weather.gov/lot |