| NWS Forecast for: Boise Mountains Issued by: National Weather Service Boise, ID Last Update: 230 PM MDT Sat Jul 18 2026 |  |
| Tonight: Mostly clear. Patchy smoke. Lows 50 to 65. Sunday: Mostly sunny. Patchy smoke in the morning. Areas of smoke in the afternoon. Highs 83 to 98. Sunday Night: Partly cloudy. Areas of smoke in the evening, then patchy smoke after midnight. Lows 52 to 67. Monday: Patchy smoke in the morning. Mostly sunny. Highs 85 to 100. Monday Night: Increasing clouds. Lows 56 to 71. Tuesday: Partly cloudy. A chance of showers with a slight chance of thunderstorms in the afternoon. Thunderstorms may produce gusty winds in the afternoon. Chance of rain 30 percent. Highs 84 to 99. Tuesday Night: Mostly cloudy. A chance of showers with a slight chance of thunderstorms in the evening. Chance of rain 30 percent. Lows 52 to 67. Wednesday: A chance of showers in the morning, then showers likely with a chance of thunderstorms in the afternoon. Chance of rain 60 percent. Highs 80 to 95. Wednesday Night: Mostly cloudy with a chance of showers with a slight chance of thunderstorms in the evening, then partly cloudy after midnight. Chance of rain 30 percent. Lows 50 to 65. Thursday: Partly cloudy. A chance of showers and thunderstorms in the afternoon. Chance of rain 30 percent. Highs 83 to 98. Thursday Night: Partly cloudy. A chance of showers in the evening. Chance of rain 30 percent. Lows 50 to 65. Friday: Partly cloudy. A chance of showers and thunderstorms in the afternoon. Chance of rain 30 percent. Highs 82 to 97. Friday Night And Saturday: Partly cloudy. A slight chance of showers and thunderstorms. Chance of rain 20 percent. Lows 49 to 64. Highs 79 to 94. | |
| Zone Forecast: Boise Mountains | |
Visit your local NWS office at: https://www.weather.gov/boi |