| NWS Forecast for: Boise Mountains Issued by: National Weather Service Boise, ID Last Update: 230 PM MDT Thu Apr 23 2026 |  |
| Tonight: Partly cloudy with a 30 percent chance of snow showers. Patchy fog after midnight. Lows 17 to 32. Friday: Mostly sunny. Patchy fog in the morning. A slight chance of snow showers in the afternoon. Chance of snow 20 percent. Highs 38 to 53. Friday Night: Partly cloudy with a slight chance of snow showers in the evening, then mostly clear after midnight. Chance of snow 20 percent. Lows 14 to 29. Saturday: Partly cloudy. A chance of snow showers, mainly in the afternoon. Chance of snow 30 percent. Highs 42 to 56. Saturday Night: Mostly clear in the evening, then partly cloudy with a slight chance of snow showers after midnight. Chance of snow 20 percent. Lows 18 to 33. Sunday: Mostly sunny. Patchy fog in the morning. A slight chance of snow showers in the morning, then a chance of rain and snow showers in the afternoon. Chance of precipitation 40 percent. Highs 43 to 58. Sunday Night: Partly cloudy with a chance of snow showers in the evening, then partly cloudy with a slight chance of snow showers after midnight. Areas of fog after midnight. Chance of snow 30 percent. Lows 18 to 33. Monday: Patchy fog in the morning. Partly cloudy with a chance of snow showers, mixed with rain in the afternoon. Chance of precipitation 50 percent. Highs 44 to 59. Monday Night: Partly cloudy with a slight chance of snow showers in the evening, then mostly clear after midnight. Patchy fog after midnight. Chance of snow 20 percent. Lows 20 to 35. Tuesday: Partly cloudy. A slight chance of rain and snow showers in the afternoon. Chance of precipitation 20 percent. Highs 49 to 63. Tuesday Night: Partly cloudy. Lows 24 to 39. Wednesday: Partly cloudy. A slight chance of rain and snow showers in the afternoon. Chance of precipitation 20 percent. Highs 54 to 68. Wednesday Night: Partly cloudy in the evening, then clearing. Lows 26 to 41. Thursday: Partly cloudy. A slight chance of rain and snow showers in the afternoon. Chance of precipitation 20 percent. Highs 56 to 70. | |
| Zone Forecast: Boise Mountains | |
Visit your local NWS office at: https://www.weather.gov/boi |