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Third Lake, MN Weather Forecast
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Third Lake Weather Forecast
| THIS AFTERNOON | TONIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT |
 |  |  |  | | | |  |  | |  | |
| Mostly Sunny | Mostly Cloudy | Clearing | Mostly Clear | Sunny | Clear | Sunny | Chance of Showers | Chance of Showers | Chance of Showers | Mostly Cloudy | Chance of Showers |
| Hi: 59°FHi: 15°C | Lo: 39°FLo: 4°C | Hi: 61°FHi: 16°C | Lo: 31°FLo: -1°C | Hi: 61°FHi: 16°C | Lo: 35°FLo: 2°C | Hi: 65°FHi: 18°C | Lo: 41°FLo: 5°C | Hi: 61°FHi: 16°C | Lo: 49°FLo: 9°C | Hi: 69°FHi: 21°C | Hi: 69°FHi: 21°C Lo: 49°FLo: 9°C |
| POP: 20% | POP: 50% | POP: 20% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 121 PM CDT Sun Sep 20 2026 
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Issued: 1246 PM CDT Sun Sep 20 2026
Key Messages
- Persistent northeasterly winds will keep the threat for rip currents in place at Twin Port beaches this afternoon and Monday and may linger into mid-week as well.
- Chances for frost tonight before widespread frost and perhaps some areas of freeze for Monday night into Tuesday morning.
- Low chances for rainfall through the forecast period.
Discussion
... Issued at 1246 PM CDT Sun Sep 20 2026
Strong low pressure was located over northwestern Ontario early this afternoon with low pressure ac...