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River Lake Weather Forecast
| THIS AFTERNOON | TONIGHT | COLUMBUS DAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT |
 |  |  |  |  |  | | | |  | | |
| Sunny | Partly Cloudy | Partly Sunny | Chance of Showers | Chance of Showers | Mostly Cloudy | Mostly Cloudy | Partly Cloudy | Partly Sunny | Chance of Showers | Chance of Showers | Partly Cloudy |
| Hi: 75°FHi: 24°C | Lo: 55°FLo: 13°C | Hi: 79°FHi: 26°C | Lo: 59°FLo: 15°C | Hi: 70°FHi: 21°C | Lo: 49°FLo: 9°C | Hi: 60°FHi: 16°C | Lo: 39°FLo: 4°C | Hi: 60°FHi: 16°C | Lo: 39°FLo: 4°C | Hi: 51°FHi: 11°C | Lo: 29°FLo: -2°C |
| POP: 50% | POP: 50% | POP: 70% | POP: 50% |
POP = Probability of Precipitation.
Weather Outlook Updated: 142 PM EDT Sun Oct 11 2026 
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Issued: 124 PM EDT Sun Oct 11 2026
Key Messages
-Warm and quiet weather continues today and Monday.
-Rainfall returns to Northern Michigan Monday night Through Tuesday.
-Cooler temperatures arrive behind the Monday/Tuesday system with highs returning to the 50s.
Discussion
... Issued at 254 AM EDT Sun Oct 11 2026
Pattern Synopsis:
Low-amplitude midlevel ridging continues to remain settled over the northwoods with closed midlevel low pressure over the Mississippi/Ohio Valley today tied to the remnants of Isaias. This ridging will support...