| NWS Forecast for: Boise Mountains Issued by: National Weather Service Boise, ID Last Update: 307 PM MDT Wed Oct 8 2025 |  |
| Tonight: Increasing clouds. Lows 34 to 49. Thursday: Sunny. Highs 67 to 79. Thursday Night: Partly cloudy. A slight chance of rain showers after midnight. Chance of rain 20 percent. Lows 39 to 54. Breezy. Friday: Partly cloudy. A chance of rain showers, mainly in the afternoon. Chance of rain 30 percent. Highs 65 to 78. Friday Night: A slight chance of thunderstorms. Rain showers likely, mainly after midnight. Areas of fog after midnight. Chance of rain 60 percent. Lows 34 to 49. Saturday: Areas of fog in the morning. Partly cloudy with a 40 percent chance of rain showers. Much cooler with highs 48 to 62. Saturday Night: Rain and snow showers likely, mainly after midnight. Areas of fog after midnight. Chance of precipitation 60 percent. Light snow accumulations possible. Colder with lows 25 to 40. Sunday: Decreasing clouds. Areas of fog in the morning. A chance of rain showers. Snow showers likely, mainly in the morning. Chance of precipitation 60 percent. Little snow accumulation expected. Cooler with highs 38 to 53. Sunday Night: Partly cloudy with a slight chance of rain and snow showers in the evening, then mostly cloudy with a chance of rain and snow showers after midnight. Patchy fog in the evening, then areas of fog after midnight. Chance of precipitation 30 percent. Lows 23 to 38. Columbus Day And Monday Night: Mostly cloudy. A chance of rain and snow showers. Areas of fog in the morning. Patchy fog in the evening, then areas of fog after midnight. Chance of precipitation 30 percent. Highs 46 to 59. Lows 26 to 41. Tuesday Through Wednesday: Mostly cloudy with a chance of rain and snow showers. Areas of fog in the morning. Areas of fog, then patchy fog in the afternoon. Chance of precipitation 40 percent. Highs 43 to 57. Lows 23 to 38. | |
| Zone Forecast: Boise Mountains | |
Visit your local NWS office at: https://www.weather.gov/boi |