Weather WorldSouth Fork Reservoir, MT Weather Forecast
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South Fork Reservoir Weather Forecast
| TONIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY |
 | | | |  |  | | |  |  |  | |
| Smoke | Smoke | Smoke | Smoke | Mostly Clear | Sunny | Mostly Clear | Mostly Sunny | Partly Cloudy | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm |
| Lo: 46°FLo: 8°C | Hi: 80°FHi: 27°C | Lo: 46°FLo: 8°C | Hi: 80°FHi: 27°C | Lo: 46°FLo: 8°C | Hi: 80°FHi: 27°C | Lo: 46°FLo: 8°C | Hi: 76°FHi: 24°C | Lo: 45°FLo: 7°C | Hi: 70°FHi: 21°C | Lo: 45°FLo: 7°C | Hi: 70°FHi: 21°C |
| POP: 40% | POP: 20% | POP: 40% |
POP = Probability of Precipitation.
Weather Outlook Updated: 1222 PM MDT Sat Aug 08 2026 
South Fork Reservoir Radar Loop
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