| NWS Forecast for: Northwest Beaverhead County Issued by: National Weather Service Great Falls, MT Last Update: 336 AM MDT Thu May 21 2026 |  |
| Today: Patchy fog early in the morning. Mostly cloudy with chance of snow early in the morning, then partly sunny with slight chance of snow showers late in the morning. Mostly sunny in the afternoon. Highs 45 to 55. North winds 5 to 15 mph. Gusts up to 40 mph decreasing to 25 mph in the afternoon. Chance of snow 50 percent. Tonight: Mostly clear in the evening then becoming mostly cloudy. Lows around 30. Northeast winds up to 10 mph with gusts to around 25 mph. Friday: Not as cool. Mostly sunny. Highs 52 to 62. South winds up to 5 mph shifting to the west in the afternoon. Friday Night: Partly cloudy. Lows in the mid 30s. Northwest winds up to 10 mph shifting to the south after midnight. Saturday: Warmer, sunny. Highs 59 to 69. Southwest winds up to 5 mph with gusts to around 20 mph shifting to the west 5 to 15 mph with gusts to around 30 mph in the afternoon. Saturday Night And Sunday: Partly cloudy. Lows in the upper 30s. Highs 62 to 72. Sunday Night: Partly cloudy. A 20 percent chance of rain in the evening. Lows in the lower 40s. Memorial Day: Breezy. Mostly sunny. Highs 62 to 72. Monday Night: Mostly cloudy. Chance of rain in the evening, then chance of rain and snow after midnight. Lows 38 to 44. Chance of precipitation 40 percent. Tuesday: Partly sunny. Chance of rain and snow in the morning, then chance of rain showers and slight chance of thunderstorms in the afternoon. Highs 55 to 65. Chance of precipitation 50 percent. Tuesday Night: Mostly cloudy. Chance of rain showers, snow showers and slight chance of thunderstorms in the evening, then chance of rain and snow after midnight. Lows in the upper 30s. Chance of precipitation 50 percent. Wednesday: Partly sunny. Chance of rain and snow in the morning, then chance of thunderstorms in the afternoon. Highs 53 to 63. Chance of precipitation 50 percent. | |
| Zone Forecast: Northwest Beaverhead County | |
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