Weather WorldGergen Reservoir, MT 7-Day Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon
Gergen Reservoir Weather Forecast
Gergen Reservoir, MT Weather Forecast Date: 350 AM MDT Wed Aug 26 2026
Weather forecast for Gergen Reservoir, MT
Today Hi: 85°FHi: 29°C Lo: 59°F Lo: 15°C |
Today... Mostly sunny. Highs in the mid 80s. Light and variable winds in the morning becoming north 5 to 10 mph in the afternoon. |
Thu Hi: 91°FHi: 33°C Lo: 61°F Lo: 16°C |
Thursday... Decreasing clouds. Highs in the lower 90s. Southeast winds 5 to 15 mph. |
| Fri Hi: 91°FHi: 33°C Lo: 65°F Lo: 18°C |
Friday... Mostly sunny. Highs in the lower 90s. South winds 5 to 10 mph in the morning shifting to the northwest 5 to 15 mph in the afternoon. |
Sat Hi: 89°FHi: 32°C Lo: 59°F Lo: 15°C |
Saturday... Partly sunny. A 20% chance of showers and thunderstorms in the afternoon. Highs in the upper 80s. |
Sun Hi: 81°FHi: 27°C Lo: 51°F Lo: 11°C |
Sunday... Mostly sunny. A 20% chance of rain showers in the afternoon. Highs in the lower 80s. |
| Mon Hi: 85°FHi: 29°C Lo: 59°F Lo: 15°C |
Monday... Sunny. Highs in the mid 80s. |
| Tue Hi: 89°FHi: 32°C |
Tuesday... Mostly sunny. A 20% chance of showers and thunderstorms in the afternoon. Highs in the upper 80s. |
Gergen Reservoir Radar Loop
Use the map search tool if you want to place a location marker on the radar map...