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Lost Lake Weather Forecast
| TODAY | TONIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT |
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| Chance of Showers | Chance of Showers | Mostly Sunny | Mostly Clear | Sunny | Partly Cloudy | Partly Cloudy | Mostly Clear | Chance of Showers | Chance of Showers | Chance of Showers | Partly Cloudy |
| Hi: 55°FHi: 13°C | Lo: 40°FLo: 4°C | Hi: 59°FHi: 15°C | Lo: 31°FLo: -1°C | Hi: 59°FHi: 15°C | Hi: 69°FHi: 21°C Lo: 39°FLo: 4°C | Hi: 69°FHi: 21°C Lo: 39°FLo: 4°C | Lo: 41°FLo: 5°C | Hi: 61°FHi: 16°C | Hi: 60°FHi: 16°C Lo: 39°FLo: 4°C | Hi: 60°FHi: 16°C Lo: 39°FLo: 4°C | Hi: 61°FHi: 16°C Lo: 39°FLo: 4°C |
| POP: 50% | POP: 50% | POP: 20% | POP: 20% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 330 AM CDT Sat Oct 03 2026 
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Issued: 318 AM CDT Sat Oct 3 2026
Key Messages
- Frost/freeze conditions are expected tonight in northwest Wisconsin and the Arrowhead.
- Rain is expected Saturday into Saturday evening, especially along the International Border.
- Another cold night with subfreezing temperatures expected Sunday night into Monday morning.
Discussion
... Issued at 156 AM CDT Sat Oct 3 2026
Frost and sub-freezing temperatures down into the lower 30s will wrap up around 7 AM this morning across portions of Northwest Wisconsin and the Minnesota Arrowhead. A c...