| NWS Forecast for: Boise Mountains Issued by: National Weather Service Boise, ID Last Update: 230 AM MDT Sat Jun 20 2026 |  |
| Today: Rain showers likely. A chance of thunderstorms this afternoon. Thunderstorms may produce gusty winds this afternoon. Chance of rain 60 percent. Not as warm with highs 67 to 82. Tonight: Mostly cloudy with a chance of rain showers with a slight chance of thunderstorms in the evening, then mostly clear after midnight. Chance of rain 30 percent. Cooler with lows 39 to 54. Sunday: Sunny. Highs 70 to 84. Sunday Night: Clear. Lows 37 to 52. Monday: Sunny. Highs 73 to 88. Monday Night And Tuesday: Clear. Lows 40 to 55. Highs 79 to 93. Tuesday Night: Mostly clear. Lows 45 to 60. Wednesday: Sunny. Highs 82 to 96. Wednesday Night Through Friday: Mostly clear. Lows 45 to 60. Highs 78 to 92. | |
| Zone Forecast: Boise Mountains | |
Visit your local NWS office at: https://www.weather.gov/boi |