Weather World
Cornish Flowage, MN Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon
Cornish Flowage Weather Forecast
| TONIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY |
 |  | | |  |  | |  | | | |  |
| Partly Cloudy | Sunny | Partly Cloudy | Mostly Sunny | Chance of Showers | Chance of Showers | Chance of Showers | Mostly Cloudy | Chance of Showers | Chance of Showers | Chance of Showers | Chance of Showers |
| Lo: 35°FLo: 2°C | Hi: 61°FHi: 16°C | Lo: 39°FLo: 4°C | Hi: 65°FHi: 18°C | Lo: 45°FLo: 7°C | Hi: 61°FHi: 16°C | Lo: 49°FLo: 9°C | Hi: 65°FHi: 18°C | Lo: 50°FLo: 10°C | Hi: 65°FHi: 18°C | Lo: 50°FLo: 10°C | Hi: 65°FHi: 18°C |
| POP: 50% | POP: 50% | POP: 20% | POP: 30% | POP: 50% | POP: 40% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 615 PM CDT Mon Sep 21 2026 
Cornish Flowage Radar Loop
Use the map search tool if you want to place a location marker on the radar map...
Cornish Flowage Weather Map
Cornish Flowage Quick Facts
Cornish Flowage Forecast Discussion
Meteorlogic Glosserator
Instant definitions for any meteorological term.
Instant definitions for any meteorological term.
Issued: 627 PM CDT Mon Sep 21 2026
Key Messages
- Widespread frost tonight away from Lake Superior with some locations falling to freezing or just below. Another round of frost expected Wednesday morning, but not as widespread.
- Persistent northeasterly winds will keep the threat for rip currents in place at Twin Port beaches this afternoon and Tuesday and may linger into mid-week as well.
- Low chances for rainfall through the forecast period.
Discussion
... Issued at 1246 PM CDT Mon Sep 21 2026
High pressure was centered just to the nor...