Kankakee, IL Weather Forecast
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Kankakee Weather Forecast
| TODAY | TONIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT |
| Chance of T-Storm | Clear | Partly Cloudy | Mostly Clear | Partly Cloudy | Clearing | Partly Cloudy | Partly Cloudy | Chance of T-Storm | Chance of Showers | Mostly Sunny | Mostly Clear |
| Hi: 79°FHi: 26°C | Lo: 59°FLo: 15°C | Hi: 75°FHi: 24°C | Lo: 55°FLo: 13°C | Hi: 75°FHi: 24°C | Lo: 55°FLo: 13°C | Hi: 79°FHi: 26°C | Lo: 60°FLo: 16°C | Hi: 81°FHi: 27°C | Lo: 61°FLo: 16°C | Hi: 81°FHi: 27°C | Lo: 61°FLo: 16°C |
| POP: 20% | POP: 30% | POP: 40% |
POP = Probability of Precipitation.
Weather Outlook Updated: 705 AM CDT Sat Aug 22 2026 

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Issued: 555 AM CDT Sat Aug 22 2026
Key Messages
- Isolated to widely scattered shower or storm possible (15-20% chance) this afternoon, mainly near Lake Michigan.
- Dangerous swimming conditions expected at Porter County Lake Michigan beaches today, then at all Indiana and Cook County Lake Michigan beaches late tonight and Sunday.
Discussion
... Issued at 236 AM CDT Sat Aug 22 2026
A cold front is currently analyzed roughly from a Chicago to Galesburg line early this morning and is continuing to slowly drift south and east out of our for...
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