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Split Rock Lake, MN Weather Forecast
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Split Rock Lake Weather Forecast
| TODAY | TONIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | SATURDAY |
 |  |  |  | | | |  |  | |  | |
| Patchy Fog | Mostly Cloudy | Mostly Sunny | Mostly Clear | Sunny | Clear | Clear | Partly Cloudy | Chance of Showers | Mostly Cloudy | Mostly Cloudy | Mostly Cloudy |
| Hi: 61°FHi: 16°C | Lo: 39°FLo: 4°C | Hi: 61°FHi: 16°C | Lo: 35°FLo: 2°C | Hi: 65°FHi: 18°C | Hi: 65°FHi: 18°C Lo: 35°FLo: 2°C | Hi: 65°FHi: 18°C Lo: 35°FLo: 2°C | Lo: 41°FLo: 5°C | Hi: 65°FHi: 18°C | Hi: 70°FHi: 21°C Lo: 49°FLo: 9°C | Hi: 70°FHi: 21°C Lo: 49°FLo: 9°C | Hi: 70°FHi: 21°C Lo: 49°FLo: 9°C |
| POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 421 AM CDT Sun Sep 20 2026 
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Issued: 306 AM CDT Sun Sep 20 2026
Key Messages
- Dangerous swimming conditions expected for the beaches of the Twin Ports today and Monday.
- Frost is forecast beginning tonight and continuing through Wednesday night. The coldest night will be Monday night into Tuesday morning, when sub-freezing temperatures are forecast.
Discussion
... Issued at 305 AM CDT Sun Sep 20 2026
Early this morning, a weak cold front continues to push south across the Northland, We will see lingering low clouds and fog which dissipate after sunrise. Today, gus...