| NWS Forecast for: Owyhee Mountains Issued by: National Weather Service Boise, ID Last Update: 1236 PM MDT Mon Aug 31 2026 | |
| Tonight: Increasing clouds. Lows 56 to 61. Breezy. Tuesday: Mostly cloudy in the morning, then becoming mostly sunny. Patchy smoke. Highs 78 to 83. Tuesday Night: Increasing clouds. Patchy smoke. Lows 48 to 57. Windy. Southwest winds around 25 mph with gusts to 35 mph after midnight. Wednesday: Mostly sunny. Cooler with highs 67 to 72. Breezy. Wednesday Night: Mostly cloudy. A chance of rain showers after midnight. Chance of rain 30 percent. Lows 47 to 55. Breezy. Thursday: Decreasing clouds. A 50 percent chance of rain showers. Highs 63 to 69. Breezy. Thursday Night: Mostly cloudy with a 40 percent chance of rain showers. Patchy fog after midnight. Lows 41 to 49. Friday: Areas of fog in the morning. Partly cloudy with a chance of rain showers. A slight chance of thunderstorms in the afternoon. Chance of rain 40 percent. Highs 63 to 70. Friday Night: Mostly cloudy with a 30 percent chance of rain showers. Areas of fog after midnight. Lows 42 to 50. Saturday: Areas of fog in the morning. Partly cloudy with a 20 percent chance of rain showers. Highs 67 to 74. Saturday Night: Increasing clouds. A 20 percent chance of rain showers. Patchy fog after midnight. Lows 43 to 52. Sunday: Mostly sunny. Patchy fog in the morning. A chance of rain showers, mainly in the morning. Chance of rain 30 percent. Highs 69 to 75. Sunday Night And Labor Day: Partly cloudy. A 20 percent chance of rain showers. Lows 45 to 53. Highs 71 to 77. | |
| Zone Forecast: Owyhee Mountains | |
Visit your local NWS office at: https://www.weather.gov/boi |