Castle Park, MN Weather Forecast
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Castle Park Weather Forecast
| REST OF TONIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY |
| Mostly Clear | Chance of T-Storm | Partly Cloudy | Sunny | Mostly Clear | Mostly Clear | Mostly Clear | Chance of T-Storm | Chance of T-Storm | Clearing | Mostly Clear | Partly Cloudy |
| Lo: 55°FLo: 13°C | Hi: 83°FHi: 28°C | Lo: 53°FLo: 12°C | Hi: 75°FHi: 24°C | Lo: 45°FLo: 7°C | Hi: 78°FHi: 26°C Lo: 55°FLo: 13°C | Hi: 78°FHi: 26°C Lo: 55°FLo: 13°C | Hi: 85°FHi: 29°C | Lo: 58°FLo: 14°C | Hi: 83°FHi: 28°C | Lo: 55°FLo: 13°C | Hi: 78°FHi: 26°C Lo: 55°FLo: 13°C |
| POP: 50% |
POP = Probability of Precipitation.
Weather Outlook Updated: 1037 PM CDT Sun Aug 16 2026 

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Castle Park Forecast Discussion
Issued: 1054 PM CDT Sun Aug 16 2026
Key Messages
- Isolated severe thunderstorms may develop over parts of southeast North Dakota and west central Minnesota Monday afternoon and early evening. Hail to 1 inch and wind gusts to 60 mph would be the main threats.
Discussion
... Issued at 259 PM CDT Sun Aug 16 2026
...Synopsis...
Westerly flow is currently in place across the Northern Plains, with the next mid/upper trough upstream over Alberta and Saskatchewan. This feature tracks east tonight through Monday nig...
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