| NWS Forecast for: Upper Weiser River Issued by: National Weather Service Boise, ID Last Update: 230 AM MDT Mon May 18 2026 | |
| Today: Sunny. Highs 61 to 67. North winds 10 to 15 mph. Gusts to 25 mph this afternoon. Tonight: Partly cloudy. Lows 36 to 41. North winds 10 to 15 mph. Gusts to 25 mph in the evening. Tuesday: Sunny. Highs 64 to 71. Light winds. Tuesday Night: Mostly clear. Lows 42 to 47. Light winds. Wednesday: Mostly sunny. Highs 68 to 74. Light winds. Wednesday Night And Thursday: Mostly clear. Lows 42 to 47. Highs 72 to 79. Thursday Night: Partly cloudy. Lows 45 to 50. Friday Through Saturday: Mostly clear. Highs 74 to 84. Lows 46 to 51. Saturday Night: Increasing clouds. Lows 47 to 52. Sunday: Sunny. Highs 78 to 84. | |
| Zone Forecast: Upper Weiser River | |
Visit your local NWS office at: https://www.weather.gov/boi |