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Whitestone Lake, SD Weather Forecast
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Whitestone Lake Weather Forecast
| THIS AFTERNOON | TONIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT |
 |  |  |  |  |  | | |  | |  |  |
| Partly Sunny | Partly Cloudy | Mostly Sunny | Mostly Clear | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of Showers | Partly Cloudy | Chance of Showers | Chance of Showers |
| Hi: 80°FHi: 27°C | Lo: 59°FLo: 15°C | Hi: 79°FHi: 26°C | Lo: 59°FLo: 15°C | Hi: 81°FHi: 27°C | Lo: 59°FLo: 15°C | Hi: 79°FHi: 26°C | Lo: 55°FLo: 13°C | Hi: 75°FHi: 24°C | Lo: 55°FLo: 13°C | Hi: 79°FHi: 26°C Lo: 59°FLo: 15°C | Hi: 79°FHi: 26°C Lo: 59°FLo: 15°C |
| POP: 50% | POP: 20% | POP: 50% | POP: 20% | POP: 20% | POP: 30% | POP: 30% |
POP = Probability of Precipitation.
Weather Outlook Updated: 1237 PM CDT Sat Aug 15 2026 
Whitestone Lake Radar Loop
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Whitestone Lake Weather Map
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Whitestone Lake Forecast Discussion
Issued: 116 PM CDT Sat Aug 15 2026
Key Messages
- Patchy to areas of fog will develop tonight into Sunday morning.
- There is a marginal risk (1 out of 5) for severe thunderstorms Monday evening through Monday night east of a line from Frederick to Murdo.
Discussion
... Issued at 114 PM CDT Sat Aug 15 2026
Showers and isolated thunderstorms continue to nudge into east central SD this afternoon, though the activity has mainly stayed south of Hwy 212. This is all associated with a shortwave and elongated sfc t...