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De Grey School, SD Weather Forecast
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De Grey School Weather Forecast
| THIS AFTERNOON | TONIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT |
 |  | |  |  |  |  | | | | | |
| Partly Sunny | Partly Cloudy | Partly Sunny | Showers | Chance of Showers | Mostly Clear | Sunny | Clear | Clear | Mostly Clear | Partly Sunny | Mostly Clear |
| Hi: 51°FHi: 11°C | Lo: 35°FLo: 2°C | Hi: 60°FHi: 16°C | Lo: 41°FLo: 5°C | Hi: 61°FHi: 16°C | Lo: 35°FLo: 2°C | Hi: 59°FHi: 15°C | Hi: 71°FHi: 22°C Lo: 39°FLo: 4°C | Hi: 71°FHi: 22°C Lo: 39°FLo: 4°C | Lo: 45°FLo: 7°C | Hi: 71°FHi: 22°C | Hi: 71°FHi: 22°C Lo: 41°FLo: 5°C |
| POP: 70% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 1221 PM CDT Tue Oct 13 2026 
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Issued: 137 PM CDT Tue Oct 13 2026
Key Messages
- Overnight lows could drop below the freezing mark through this week, mainly early Wednesday morning and early Friday morning. Areas that don`t get to freezing may still see frost development. Frost/Freeze headlines have been posted for late tonight into Wednesday morning mainly for central and north central South Dakota.
- Rain will be possible Wednesday night into Thursday, mainly over central and east central South Dakota. Along and south of U.S. Highway 14, there is a 50-70% chance ...