Weather World
Cook County, IL Official WebsiteCook County, IL Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon
Cook County Weather Forecast
| REST OF TONIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY |
 |  |  |  |  |  | |  | | |  |  |
| Partly Cloudy | Chance of Rain | Chance of Showers | Chance of Showers | Chance of T-Storm | Chance of T-Storm | Chance of Showers | Showers | Chance of T-Storm | Showers Likely | Mostly Cloudy | Partly Cloudy |
| Lo: 35°FLo: 2°C | Hi: 41°FHi: 5°C | Lo: 35°FLo: 2°C | Hi: 49°FHi: 9°C | Lo: 40°FLo: 4°C | Hi: 55°FHi: 13°C | Lo: 41°FLo: 5°C | Hi: 65°FHi: 18°C | Lo: 55°FLo: 13°C | Hi: 65°FHi: 18°C | Lo: 41°FLo: 5°C | Hi: 60°FHi: 16°C |
| POP: 50% | POP: 20% | POP: 40% | POP: 70% | POP: 80% | POP: 30% | POP: 70% | POP: 80% | POP: 60% |
POP = Probability of Precipitation.
Weather Outlook Updated: 829 PM CST Mon Mar 02 2026 
Cook County Radar Loop
Use the map search tool if you want to place a location marker on the radar map...