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River Lake, MN Weather Forecast
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River Lake Weather Forecast
| REST OF TONIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY |
 |  |  |  | | | |  |  | | |  |
| Mostly Cloudy | Clearing | Mostly Clear | Mostly Sunny | Mostly Cloudy | Mostly Sunny | Mostly Clear | Chance of Showers | Partly Cloudy | Partly Cloudy | Partly Cloudy | Partly Sunny |
| Lo: 41°FLo: 5°C | Hi: 59°FHi: 15°C | Lo: 31°FLo: -1°C | Hi: 59°FHi: 15°C | Lo: 41°FLo: 5°C | Hi: 69°FHi: 21°C | Lo: 45°FLo: 7°C | Hi: 61°FHi: 16°C | Lo: 39°FLo: 4°C | Hi: 59°FHi: 15°C Lo: 35°FLo: 2°C | Hi: 59°FHi: 15°C Lo: 35°FLo: 2°C | Hi: 55°FHi: 13°C |
| POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 121 AM CDT Sun Oct 04 2026 
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Issued: 109 AM CDT Sun Oct 4 2026
Key Messages
- Near-freezing and below-freezing temperatures expected Sunday night. Frost Advisories and Freeze Warnings are in effect.
- Warmer weather starting Tuesday.
- Sparse rain chances this week, but a few sprinkles or showers at times.
Discussion
... Issued at 107 AM CDT Sun Oct 4 2026
Dry air is working its way in from the west, quickly eroding most of the clouds that brought us rain earlier today. Some low clouds north of the Canadian border may make their way into the Arrowhead for Sunday morn...