Oak Lake, IL Weather Forecast
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Oak Lake Weather Forecast
| TODAY | TONIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | COLUMBUS DAY |
| Sunny | Clear | Sunny | Clear | Sunny | Mostly Clear | Clear | Clear | Sunny | Partly Cloudy | Partly Cloudy | Mostly Sunny |
| Hi: 79°FHi: 26°C | Lo: 51°FLo: 11°C | Hi: 89°FHi: 32°C | Lo: 55°FLo: 13°C | Hi: 81°FHi: 27°C | Lo: 51°FLo: 11°C | Hi: 81°FHi: 27°C Lo: 51°FLo: 11°C | Hi: 81°FHi: 27°C Lo: 51°FLo: 11°C | Hi: 85°FHi: 29°C | Hi: 79°FHi: 26°C Lo: 59°FLo: 15°C | Hi: 79°FHi: 26°C Lo: 59°FLo: 15°C | Hi: 85°FHi: 29°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 522 AM CDT Tue Oct 06 2026 

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Issued: 535 AM CDT Tue Oct 6 2026
Key Messages
- Dry conditions are expected through the rest of the work week along with seasonably warm temperatures. Highs will be slightly above normal in the upper 70s to lower 80s.
- Tropical moisture from the Gulf may bring portions of our region rain over the coming weekend, particularly Saturday night into Sunday.
Discussion
... Issued at 1255 AM CDT Tue Oct 6 2026
Surface high pressure will maintain control of our weather over the next several days. The dry airmass will lead to a larger diurnal ...
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