| NWS Forecast for: Boise Mountains Issued by: National Weather Service Boise, ID Last Update: 307 PM MDT Thu Oct 9 2025 |  |
| Tonight: Partly cloudy. A slight chance of rain showers after midnight. Chance of rain 20 percent. Lows 39 to 54. Breezy. Friday: Mostly sunny. Patchy fog in the morning. A chance of rain showers, mainly in the afternoon. Chance of rain 30 percent. Highs 64 to 78. Breezy. Friday Night: A chance of rain showers with a slight chance of thunderstorms in the evening, then rain showers likely after midnight. Patchy fog after midnight. Chance of rain 60 percent. Lows 34 to 48. Saturday: Areas of fog in the morning. Partly cloudy with a 40 percent chance of rain showers. Much cooler with highs 47 to 61. Saturday Night: A chance of rain showers. Snow showers likely, mainly after midnight. Areas of fog after midnight. Chance of precipitation 60 percent. Light snow accumulations possible. Colder with lows 23 to 38. Sunday: Decreasing clouds. Areas of fog in the morning. A chance of rain and snow showers. Chance of precipitation 50 percent. Highs 39 to 53. Sunday Night: Partly cloudy. Patchy fog in the evening. Areas of fog after midnight. A slight chance of rain and snow showers after midnight. Chance of precipitation 20 percent. Lows 23 to 38. Columbus Day: Areas of fog in the morning. Partly cloudy with a slight chance of rain and snow showers. Chance of precipitation 20 percent. Highs 47 to 60. Monday Night Through Tuesday Night: Mostly cloudy with a chance of rain and snow showers. Areas of fog through the day. Patchy fog in the evening, then areas of fog after midnight. Chance of precipitation 30 percent. Lows 27 to 42. Highs 49 to 62. Wednesday And Wednesday Night: Mostly cloudy. A chance of rain and snow showers. Areas of fog in the morning. Areas of fog through the day. Chance of precipitation 40 percent. Highs 46 to 58. Lows 25 to 40. Thursday: Areas of fog in the morning. Partly cloudy with a chance of rain and snow showers. Chance of precipitation 30 percent. Highs 45 to 58. | |
| Zone Forecast: Boise Mountains | |
Visit your local NWS office at: https://www.weather.gov/boi |