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Bismark Reservoir Weather Forecast
| REST OF TODAY | TONIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY |
 | | | |  |  | | |  | | |  |
| Smoke | Smoke | Smoke | Smoke | Sunny | Mostly Clear | Mostly Clear | Mostly Clear | Partly Cloudy | Sunny | Partly Cloudy | Chance of T-Storm |
| Hi: 82°FHi: 28°C | Lo: 56°FLo: 13°C | Hi: 82°FHi: 28°C | Lo: 54°FLo: 12°C | Hi: 80°FHi: 27°C | Hi: 78°FHi: 26°C Lo: 51°FLo: 11°C | Hi: 78°FHi: 26°C Lo: 51°FLo: 11°C | Hi: 78°FHi: 26°C Lo: 51°FLo: 11°C | Lo: 50°FLo: 10°C | Hi: 74°FHi: 23°C | Lo: 48°FLo: 9°C | Hi: 71°FHi: 22°C |
| POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 612 AM MDT Fri Aug 07 2026 
Bismark Reservoir Radar Loop
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