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Lake Arthur, MN Weather Forecast
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Lake Arthur Weather Forecast
| TODAY | TONIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT |
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| Mostly Sunny | Mostly Clear | Sunny | Partly Cloudy | Mostly Sunny | Mostly Cloudy | Mostly Cloudy | Chance of T-Storm | Chance of Showers | Partly Cloudy | Partly Cloudy | Mostly Clear |
| Hi: 83°FHi: 28°C | Lo: 53°FLo: 12°C | Hi: 75°FHi: 24°C | Lo: 48°FLo: 9°C | Hi: 83°FHi: 28°C | Hi: 83°FHi: 28°C Lo: 55°FLo: 13°C | Hi: 83°FHi: 28°C Lo: 55°FLo: 13°C | Lo: 63°FLo: 17°C | Hi: 83°FHi: 28°C | Hi: 75°FHi: 24°C Lo: 55°FLo: 13°C | Hi: 75°FHi: 24°C Lo: 55°FLo: 13°C | Lo: 53°FLo: 12°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 437 AM CDT Fri Aug 21 2026 
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Lake Arthur Forecast Discussion
Issued: 401 AM CDT Fri Aug 21 2026
Key Messages
- Potential for strong to severe storms Monday.
- Seasonable weather with scattered rain chances today in northwest Minnesota and all areas early next week.
Discussion
... Issued at 219 PM CDT Thu Aug 20 2026
...Synopsis...
NW flow continues to become more amplified the next few days with increasing ridging across the Rockies and high plains. Troughing off the Pacific coast looks to move ashore Saturday and flatten the ridge bringing increasing precipitation chances through early next week. ...