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Walther Slough Weather Forecast
| REST OF TONIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY |
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| Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Sunny | Mostly Clear | Sunny | Mostly Clear | Sunny | Partly Cloudy | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm |
| Lo: 61°FLo: 16°C | Hi: 89°FHi: 32°C | Lo: 59°FLo: 15°C | Hi: 81°FHi: 27°C | Lo: 55°FLo: 13°C | Hi: 81°FHi: 27°C | Lo: 51°FLo: 11°C | Hi: 85°FHi: 29°C | Lo: 59°FLo: 15°C | Hi: 85°FHi: 29°C | Lo: 59°FLo: 15°C | Hi: 85°FHi: 29°C |
| POP: 50% | POP: 20% | POP: 20% | POP: 20% | POP: 30% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 1036 PM CDT Sun Aug 23 2026 
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Walther Slough Forecast Discussion
Issued: 942 PM CDT Sun Aug 23 2026
Key Messages
- Isolated severe thunderstorms possible Monday afternoon and evening primarily over central and eastern North Dakota. Potential hazards include large hail up to 2 inches in diameter and damaging winds up to 70 mph, but still some question if thunderstorms can develop.
- Near-critical fire weather conditions expected over parts of western North Dakota on Monday, and the far southwest on Tuesday.
Discussion
... Issued at 141 PM CDT Sun Aug 23 2026
Current surface analysis places trough stret...