| NWS Forecast for: Elkhorn and Boulder Mountains Issued by: National Weather Service Great Falls, MT Last Update: 333 PM MDT Wed Aug 12 2026 |  |
| Tonight: Mostly cloudy. Patchy smoke until early morning. Chance of thunderstorms early in the evening. Slight chance of thunderstorms in the late evening and early morning. Chance of rain showers after midnight. Lows 45 to 53. North winds 5 to 15 mph with gusts to around 35 mph. Chance of precipitation 50 percent. Thursday: Mostly cloudy. Slight chance of rain showers in the morning, then chance of thunderstorms in the afternoon. Patchy smoke through the day. Highs 60 to 68. Northeast winds up to 10 mph. Chance of precipitation 50 percent. Thursday Night: Patchy smoke in the evening. Rain showers and chance of thunderstorms in the evening, then chance of rain showers after midnight. Lows 44 to 52. Northeast winds up to 10 mph with gusts to around 25 mph. Chance of precipitation near 100 percent. Friday: Cloudy. Chance of rain showers in the morning, then rain showers and chance of thunderstorms in the afternoon. Highs 56 to 64. North winds up to 10 mph. Chance of precipitation 90 percent. Friday Night: Mostly cloudy. Rain showers likely and slight chance of thunderstorms in the evening. Lows 42 to 50. North winds up to 5 mph shifting to the northwest after midnight. Chance of precipitation 70 percent. Saturday And Saturday Night: Mostly cloudy. A 50 percent chance of thunderstorms. Highs 63 to 71. Lows 44 to 52. Sunday: Mostly sunny. A 40 percent chance of thunderstorms in the afternoon. Highs 65 to 75. Sunday Night: Partly cloudy with a 20 percent chance of thunderstorms in the evening, then mostly cloudy after midnight. Lows 46 to 54. Monday: Partly sunny. A 40 percent chance of thunderstorms in the afternoon. Highs 67 to 75. Monday Night Through Wednesday: Mostly cloudy with chance of rain showers and slight chance of thunderstorms. Lows 46 to 54. Highs 65 to 76. Chance of precipitation 40 percent. | |
| Zone Forecast: Elkhorn and Boulder Mountains | |
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