Sun Lake, IL Weather Forecast
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Sun Lake Weather Forecast
| TODAY | TONIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | VETERANS DAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT |
| Sunny | Clear | Partly Cloudy | Partly Cloudy | Mostly Sunny | Partly Cloudy | Chance of Showers | Chance of Rain | Chance of Rain | Chance of Rain | Chance of Rain | Partly Cloudy |
| Hi: 59°FHi: 15°C | Lo: 39°FLo: 4°C | Hi: 59°FHi: 15°C | Lo: 41°FLo: 5°C | Hi: 61°FHi: 16°C | Lo: 39°FLo: 4°C | Hi: 55°FHi: 13°C | Lo: 39°FLo: 4°C | Hi: 49°FHi: 9°C | Lo: 31°FLo: -1°C | Hi: 45°FHi: 7°C | Lo: 31°FLo: -1°C |
| POP: 20% | POP: 20% | POP: 50% | POP: 30% | POP: 30% |
POP = Probability of Precipitation.
Weather Outlook Updated: 505 AM CST Sun Nov 08 2026 

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Issued: 520 AM CST Sun Nov 8 2026
Key Messages
- Dry conditions and warmer temperatures are expected through Tuesday.
- Precipitation chances and cooler temperatures return mid to late week.
Discussion
... Issued at 215 AM CST Sun Nov 8 2026
Steady southwest winds along with an approaching axis of high clouds should limit further cooling overnight, with temperatures remaining more or less where they are at, in the lower 30s (rural low spots) to lower 40 (Chicago and along the lakeshore). Winds are expected to become increasingly breezy ...
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