7-Day Zone Forecast for Upper Blackfoot and MacDonald Pass (Text-Only)
NWS Forecast for: Upper Blackfoot and MacDonald Pass
Issued by: National Weather Service Great Falls, MT
Last Update: 337 AM MDT Tue Jun 9 2026




Today: Breezy. Partly sunny. Slight chance of rain showers late in the morning. Chance of thunderstorms early in the afternoon, then chance of rain showers and slight chance of thunderstorms late in the afternoon. Highs 51 to 61. West winds 10 to 15 mph with gusts to around 30 mph increasing to 10 to 25 mph with gusts to around 40 mph in the afternoon. Chance of precipitation 50 percent.

Tonight: Breezy, colder. Partly cloudy in the evening then becoming mostly cloudy. Lows 34 to 40. West winds 15 to 25 mph with gusts to around 45 mph.

Wednesday: Windy. Partly sunny. Slight chance of rain showers and snow showers in the morning, then chance of rain showers in the afternoon. Highs 42 to 50. West winds 20 to 30 mph with gusts to around 55 mph. Chance of precipitation 50 percent.

Wednesday Night: Windy. Mostly cloudy. Chance of rain showers and snow showers in the evening, then slight chance of rain showers after midnight. Lows 34 to 40. West winds 20 to 30 mph decreasing to 15 to 20 mph after midnight. Gusts up to 55 mph. Chance of precipitation 40 percent.

Thursday: Not as cool. Mostly sunny. Highs 55 to 63. West winds 10 to 15 mph with gusts to around 30 mph.

Thursday Night: Mostly clear. Lows in the upper 30s.

Friday: Warmer, sunny. Highs 60 to 70.

Friday Night: Partly cloudy. Slight chance of thunderstorms in the evening, then slight chance of rain showers after midnight. Lows in the lower 40s. Chance of precipitation 20 percent.

Saturday: Mostly sunny. Chance of rain showers in the morning, then chance of rain showers and slight chance of thunderstorms in the afternoon. Highs 57 to 65. Chance of precipitation 40 percent.

Saturday Night Through Sunday Night: Partly cloudy. Lows in the lower 40s. Highs 59 to 67.

Monday: Mostly sunny. A 20 percent chance of thunderstorms in the afternoon. Highs 63 to 71.







Zone Forecast: Upper Blackfoot and MacDonald Pass

Visit your local NWS office at: https://www.weather.gov/tfx