Hathaway School, SD Weather Forecast
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Hathaway School Weather Forecast
| TODAY | TONIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT |
| Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Mostly Clear | Sunny | Mostly Clear | Mostly Sunny | Mostly Clear | Chance of T-Storm | Chance of T-Storm |
| Hi: 85°FHi: 29°C | Lo: 59°FLo: 15°C | Hi: 81°FHi: 27°C | Lo: 55°FLo: 13°C | Hi: 80°FHi: 27°C | Lo: 55°FLo: 13°C | Hi: 89°FHi: 32°C | Lo: 59°FLo: 15°C | Hi: 89°FHi: 32°C | Lo: 61°FLo: 16°C | Hi: 89°FHi: 32°C | Lo: 61°FLo: 16°C |
| POP: 30% | POP: 50% | POP: 40% | POP: 50% | POP: 40% | POP: 20% | POP: 40% |
POP = Probability of Precipitation.
Weather Outlook Updated: 642 AM MDT Mon Aug 17 2026 

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Hathaway School Forecast Discussion
Issued: 505 AM MDT Mon Aug 17 2026
Key Messages
- Active pattern persists through mid-week with daily chances of storms, some of which may be strong to severe.
- Trending warmer to end the week into next weekend.
Discussion
...(This Afternoon Through Saturday) Issued at 1129 AM MDT Sun Aug 16 2026
Upper level analysis shows zonal flow across the Northern Plains this morning with subtle embedded shortwaves upstream. Upper ridge is building over the SW US with weak height rises over the area and generally limi...
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