Arrow Lake, MT 7-Day Weather Forecast
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Arrow Lake Weather Forecast


Arrow Lake, MT Weather Forecast Date: 1132 AM MST Tue Nov 10 2026
Weather forecast for Arrow Lake, MT
| Today Hi: 45°FHi: 7°C Lo: 31°F Lo: -1°C |
Rest of Today... Mostly sunny. Highs 39 to 49. Southwest winds 5 to 15 mph with gusts to around 30 mph. |
| Veterans Day Hi: 49°FHi: 9°C Lo: 31°F Lo: -1°C |
Veterans Day... Mostly sunny. Highs 42 to 54. South winds 5 to 10 mph with gusts to around 30 mph. |
| Thu Hi: 51°FHi: 11°C Lo: 32°F Lo: 0°C |
Thursday... Mostly sunny. Highs 45 to 55. South winds 5 to 10 mph with gusts to around 30 mph. |
| Fri Hi: 47°FHi: 8°C Lo: 33°F Lo: 1°C |
Friday... Partly cloudy. Lows 28 to 34. Highs 41 to 51. |
| Sat Hi: 41°FHi: 5°C Lo: 30°F Lo: -1°C |
Saturday... Breezy. Mostly cloudy with a 50% chance of snow and rain. Lows 29 to 35. Highs 35 to 45. |
| Sun Hi: 40°FHi: 4°C Lo: 30°F Lo: -1°C |
Sunday... Mostly sunny with a 20% chance of snow. Highs 33 to 45. |
| Mon Hi: 40°FHi: 4°C |
Monday... Partly sunny with a 50% chance of snow. Highs 34 to 44. |
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