Flagstaff Reservoir, MT 7-Day Weather Forecast
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Flagstaff Reservoir Weather Forecast


Flagstaff Reservoir, MT Weather Forecast Date: 336 AM MDT Sun Aug 30 2026
Weather forecast for Flagstaff Reservoir, MT
| Today Hi: 61°FHi: 16°C Lo: 40°F Lo: 4°C |
Today... Breezy, cooler. Partly sunny until late afternoon then clearing. Chance of rain showers and slight chance of thunderstorms in the morning, then slight chance of rain showers in the afternoon. Highs in the lower 60s. West winds 5 to 15 mph with gusts to around 35 mph increasing to 15 to 25 mph with gusts to around 50 mph in the afternoon. Chance of precipitation 50%. |
| Mon Hi: 71°FHi: 22°C Lo: 47°F Lo: 8°C |
Monday... Warmer, sunny. Highs in the lower 70s. Southwest winds 5 to 15 mph with gusts to around 30 mph. |
| Tue Hi: 79°FHi: 26°C Lo: 49°F Lo: 9°C |
Tuesday... Mostly sunny. Highs in the upper 70s. South winds up to 10 mph. |
| Wed Hi: 75°FHi: 24°C Lo: 45°F Lo: 7°C |
Wednesday... Mostly sunny. A 20% chance of thunderstorms in the afternoon. Highs in the mid 70s. |
| Thu Hi: 75°FHi: 24°C Lo: 45°F Lo: 7°C |
Thursday... Partly cloudy. Lows in the mid 40s. Highs in the mid 70s. |
| Thu Hi: 75°FHi: 24°C Lo: 45°F Lo: 7°C |
Thursday... Partly cloudy. Lows in the mid 40s. Highs in the mid 70s. |
| Fri Hi: 79°FHi: 26°C Lo: 45°F Lo: 7°C |
Friday... Sunny. Highs in the upper 70s. |
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