| NWS Forecast for: Gallatin and Madison County Mountains and Centennial Mountains Issued by: National Weather Service Great Falls, MT Last Update: 1232 AM MDT Mon Oct 5 2026 | |
Today: Mostly sunny. Highs 65 to 75. Southwest winds 5 to 15 mph with gusts to around 30 mph. Tonight: Mostly clear. Lows 42 to 48. Southwest winds up to 10 mph. Tuesday: Sunny. Highs 63 to 73. West winds up to 10 mph with gusts to around 25 mph. Tuesday Night: Mostly clear. Lows 39 to 45. West winds up to 10 mph shifting to the southwest after midnight. Wednesday: Sunny. Highs 61 to 71. South winds up to 5 mph shifting to the west in the afternoon. Wednesday Night: Mostly clear. Lows 39 to 45. Thursday: Sunny. Highs 59 to 69. Thursday Night And Friday: Mostly clear. Lows 38 to 44. Highs 59 to 69. Friday Night: Partly cloudy. Lows 38 to 46. Saturday: Mostly sunny. A 20 percent chance of rain in the afternoon. Highs 53 to 63. Saturday Night And Sunday: Colder. Mostly cloudy with snow and rain likely. Heavy snow accumulations. Lows 29 to 35. Highs 34 to 46. Chance of precipitation 70 percent. | |
| Zone Forecast: Gallatin and Madison County Mountains and Centennial Mountains | |
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