Weather WorldLost Nation School, SD Weather Forecast
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Lost Nation School Weather Forecast
| THIS AFTERNOON | TONIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT |
 |  |  | |  |  | | | |  | | |
| Partly Cloudy | Clearing | Mostly Sunny | Partly Cloudy | Chance of T-Storm | Chance of T-Storm | Mostly Sunny | Partly Cloudy | Mostly Sunny | Mostly Clear | Mostly Sunny | Mostly Clear |
| Hi: 90°FHi: 32°C | Lo: 55°FLo: 13°C | Hi: 89°FHi: 32°C | Lo: 60°FLo: 16°C | Hi: 85°FHi: 29°C | Lo: 59°FLo: 15°C | Hi: 91°FHi: 33°C | Lo: 61°FLo: 16°C | Hi: 91°FHi: 33°C | Lo: 61°FLo: 16°C | Hi: 95°FHi: 35°C | Lo: 61°FLo: 16°C |
| POP: 50% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 1122 AM MDT Sun Aug 30 2026 
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Issued: 1153 AM MDT Sun Aug 30 2026
Key Messages
- Isolated to scattered thunderstorms are expected this afternoon and evening from northeast WY, across the Black Hills, into the northwestern SD. Strong to severe storms could produce damaging winds of 60-75 MPH, hail, and frequent lightning.
- Very warm weather continues throughout the next 7 days.
- Near-critical fire weather concerns continue into early next week, mainly over northeastern WY into southwestern SD.
Discussion
...(This Afternoon Through Saturday) Issued at 1152 AM MDT Sun A...