| NWS Forecast for: Upper Blackfoot and MacDonald Pass Issued by: National Weather Service Great Falls, MT Last Update: 337 AM MST Sat Feb 21 2026 | |
| Today: Not as cold. Mostly cloudy in the morning then clearing. Highs 25 to 33. Southwest winds up to 5 mph shifting to the southeast in the afternoon. Tonight: Partly cloudy in the evening then becoming mostly cloudy. Lows around 12. East winds up to 10 mph. Sunday: Not as cold. Partly sunny in the morning then clearing. Highs 33 to 41. South winds up to 10 mph with gusts to around 25 mph. Sunday Night: Not as cold. Mostly clear. Lows in the mid 20s. Southwest winds up to 10 mph with gusts to around 30 mph. Monday: Partly sunny. Slight chance of snow in the morning, then chance of rain and snow in the afternoon. Highs 39 to 47. Southwest winds 5 to 15 mph with gusts to around 35 mph. Chance of precipitation 50 percent. Monday Night: Chance of rain and snow in the evening, then snow and rain likely after midnight. Lows in the lower 30s. Chance of precipitation 70 percent. Tuesday: Snow and rain likely in the morning, then snow and rain in the afternoon. Light snow accumulations. Highs 36 to 44. Chance of precipitation 90 percent. Tuesday Night: Windy. Mostly cloudy. Snow and rain likely in the evening, then chance of snow after midnight. Light snow accumulations. Lows in the mid 20s. Chance of precipitation 70 percent. Wednesday: Windy. Partly sunny with a 50 percent chance of snow. Highs 27 to 35. Wednesday Night: Windy. Mostly cloudy with a 20 percent chance of snow. Near steady temperature in the upper 20s. Thursday: Windy. Partly sunny. Slight chance of snow in the morning, then chance of snow in the afternoon. Highs 33 to 41. Chance of snow 40 percent. Thursday Night And Friday: Windy. Mostly cloudy. A 50 percent chance of snow. Lows in the upper 20s. Highs 32 to 40. | |
| Zone Forecast: Upper Blackfoot and MacDonald Pass | |
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