| NWS Forecast for: Northwest Beaverhead County Issued by: National Weather Service Great Falls, MT Last Update: 407 AM MDT Fri May 15 2026 |  |
| Today: Sunny. Highs 47 to 57. West winds 5 to 15 mph increasing to 15 to 20 mph in the afternoon. Gusts up to 40 mph. Tonight: Mostly cloudy. Lows in the lower 30s. West winds 10 to 15 mph with gusts to around 40 mph decreasing to up to 10 mph with gusts to around 25 mph after midnight. Saturday: Mostly cloudy. Chance of snow in the morning, then snow showers likely and slight chance of thunderstorms in the afternoon. Snow accumulation up to 1 inch. Highs 37 to 47. West winds 5 to 15 mph with gusts to around 40 mph. Chance of precipitation 70 percent. Saturday Night: Mostly cloudy. Snow likely in the evening, then chance of snow after midnight. Light snow accumulations. Lows in the mid 20s. Northwest winds 10 to 20 mph with gusts to around 45 mph decreasing to 5 to 10 mph with gusts to around 30 mph after midnight. Chance of snow 70 percent. Sunday: Snow likely in the morning, then snow showers and slight chance of thunderstorms in the afternoon. Moderate snow accumulations. Highs 30 to 40. North winds 5 to 15 mph with gusts to around 40 mph. Chance of precipitation 90 percent. Sunday Night: Mostly cloudy. Chance of snow in the evening, then slight chance of snow after midnight. Lows in the lower 20s. Chance of snow 50 percent. Monday: Partly sunny. Slight chance of snow in the morning, then chance of snow showers and slight chance of thunderstorms in the afternoon. Highs 34 to 44. Chance of precipitation 40 percent. Monday Night: Mostly cloudy in the evening then becoming partly cloudy. Lows in the lower 20s. Tuesday: Not as cool. Mostly sunny. A 20 percent chance of thunderstorms and snow showers in the afternoon. Highs 42 to 52. Tuesday Night: Mostly cloudy with a 20 percent chance of snow in the evening, then partly cloudy after midnight. Lows in the upper 20s. Wednesday: Not as cool. Mostly sunny. A 20 percent chance of thunderstorms and snow showers in the afternoon. Highs 48 to 58. Wednesday Night And Thursday: Partly cloudy. Lows in the lower 30s. Highs 53 to 63. | |
| Zone Forecast: Northwest Beaverhead County | |
Visit your local NWS office at: https://www.weather.gov/tfx |