Fisherman Dan Reservoir, MT Weather Forecast
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Fisherman Dan Reservoir Weather Forecast
| TODAY | TONIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT |
| Smoke | Increasing Clouds | Clouds | Partly Cloudy | Mostly Sunny | Chance of T-Storm | Mostly Sunny | Chance of T-Storm | Sunny | Partly Cloudy | Mostly Sunny | Partly Cloudy |
| 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: 65°FLo: 18°C | Hi: 99°FHi: 37°C | Lo: 61°FLo: 16°C | Hi: 89°FHi: 32°C | Lo: 60°FLo: 16°C | Hi: 89°FHi: 32°C | Lo: 60°FLo: 16°C |
| POP: 20% | POP: 30% |
POP = Probability of Precipitation.
Weather Outlook Updated: 1238 AM MDT Thu Aug 20 2026 

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Fisherman Dan Reservoir Forecast Discussion
Issued: 1230 AM MDT Thu Aug 20 2026
Key Messages
- Drier conditions today through Friday.
- Seasonal temps in the 80s to lower 90s through the weekend.
- Highest chance of precipitation over the weekend.
- Potential for fire weather concerns Sunday.
Discussion
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Today through Wednesday...
Upper level ridging moves in over the region today, bringing warm and mostly dry conditions into Friday. Weak energy riding over the ridge will provide a small chance (less than 20%) for precipitation over area mountains this e...
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