| NWS Forecast for: Ruby Mountains and Southern Beaverhead Mountains Issued by: National Weather Service Great Falls, MT Last Update: 238 AM MST Sun Jan 11 2026 |  |
| Today: Mostly sunny. Highs 30 to 38. South winds 5 to 15 mph. Tonight: Mostly cloudy in the evening then becoming partly cloudy. Near steady temperature in the mid 20s. South winds 5 to 10 mph. Monday: Mostly sunny. Highs 35 to 43. South winds 5 to 15 mph. Monday Night: Mostly cloudy. Lows 22 to 30. South winds 5 to 15 mph. Tuesday: Partly sunny. Highs 39 to 45. Southwest winds 5 to 15 mph. Tuesday Night: Partly cloudy. Lows 23 to 29. Wednesday: Sunny. Highs 41 to 47. Wednesday Night And Thursday: Clear. Lows 20 to 26. Highs 36 to 42. Thursday Night Through Saturday: Mostly clear. Lows around 18. Highs 30 to 40. | |
| Zone Forecast: Ruby Mountains and Southern Beaverhead Mountains | |
Visit your local NWS office at: https://www.weather.gov/tfx |