Weather World
Grenn Lake, MN Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon
Grenn Lake Weather Forecast
| TONIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | FRIDAY | SATURDAY | SATURDAY NIGHT | SUNDAY |
 |  |  |  | |  |  |  | | |  | |
| Partly Cloudy | Chance of Showers | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Clearing | Mostly Clear | Mostly Clear | Mostly Clear | Chance of Showers | Chance of Showers | Chance of T-Storm |
| Lo: 53°FLo: 12°C | Hi: 83°FHi: 28°C | Lo: 63°FLo: 17°C | Hi: 83°FHi: 28°C | Lo: 58°FLo: 14°C | Hi: 78°FHi: 26°C | Hi: 78°FHi: 26°C Lo: 53°FLo: 12°C | Hi: 78°FHi: 26°C Lo: 53°FLo: 12°C | Hi: 78°FHi: 26°C Lo: 53°FLo: 12°C | Hi: 83°FHi: 28°C | Lo: 58°FLo: 14°C | Hi: 83°FHi: 28°C |
| POP: 20% | POP: 70% | POP: 20% | POP: 50% |
POP = Probability of Precipitation.
Weather Outlook Updated: 737 PM CDT Sun Aug 23 2026 
Grenn Lake Radar Loop
Use the map search tool if you want to place a location marker on the radar map...
Grenn Lake Weather Map
Grenn Lake Quick Facts
Grenn Lake Forecast Discussion
Issued: 620 PM CDT Sun Aug 23 2026
Key Messages
- There is a level 1 out of 5 risk for severe thunderstorms Monday afternoon and evening. Hail to the size of golf balls and wind gusting to 70 mph will be the main threats.
Discussion
... Issued at 258 PM CDT Sun Aug 23 2026
...Synopsis...
Northwest flow prevails this afternoon into the evening, gradually becoming zonal overnight. Showers and isolated thunderstorms could work into parts of eastern North Dakota overnight as warm air advection increases ahead of an approaching shortwave. Up...