Weather WorldGergen Reservoir, MT Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon
Gergen Reservoir Weather Forecast
| TONIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY |
 |  | |  |  |  |  | | | | | |
| Chance of Showers | Partly Sunny | Chance of Showers | Chance of T-Storm | Mostly Clear | Mostly Sunny | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Mostly Sunny |
| Lo: 55°FLo: 13°C | Hi: 79°FHi: 26°C | Lo: 51°FLo: 11°C | Hi: 81°FHi: 27°C | Lo: 55°FLo: 13°C | Hi: 85°FHi: 29°C | Lo: 59°FLo: 15°C | Hi: 80°FHi: 27°C | Lo: 51°FLo: 11°C | Hi: 79°FHi: 26°C | Lo: 51°FLo: 11°C | Hi: 81°FHi: 27°C |
| POP: 20% | POP: 20% | POP: 40% | POP: 50% | POP: 40% | POP: 40% | POP: 20% | POP: 30% |
POP = Probability of Precipitation.
Weather Outlook Updated: 350 PM MDT Fri Aug 14 2026 
Gergen Reservoir Radar Loop
Use the map search tool if you want to place a location marker on the radar map...