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William Colvill State Monument, MN Weather Forecast
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William Colvill State Monument Weather Forecast
| TONIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY |
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| Chance of T-Storm | Chance of T-Storm | Clouds | Partly Sunny | Partly Cloudy | Partly Sunny | Chance of T-Storm | Partly Sunny | Chance of T-Storm | Mostly Sunny | Mostly Clear | Chance of Showers |
| Lo: 65°FLo: 18°C | Hi: 81°FHi: 27°C | Lo: 69°FLo: 21°C | Hi: 89°FHi: 32°C | Lo: 71°FLo: 22°C | Hi: 90°FHi: 32°C | Lo: 69°FLo: 21°C | Hi: 85°FHi: 29°C | Lo: 65°FLo: 18°C | Hi: 89°FHi: 32°C | Lo: 69°FLo: 21°C | Hi: 89°FHi: 32°C |
| POP: 50% | POP: 90% | POP: 30% | POP: 50% | POP: 30% |
POP = Probability of Precipitation.
Weather Outlook Updated: 342 PM CDT Fri Aug 28 2026 
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Issued: 158 PM CDT Fri Aug 28 2026
Key Messages
- Showers and thunderstorms expected late this evening through the first half of Saturday.
- Heat and humidity returns for the second half of the weekend into the start of September with low PoP chances throughout the week.
Discussion
... Issued at 157 PM CDT Fri Aug 28 2026
High clouds have started to stream in ahead of an ongoing area of showers and storms in central North Dakota. These showers will continue to diminish as they arrive in western Minnesota by this evening. After sunset, a ...