| NWS Forecast for: Upper Weiser River Issued by: National Weather Service Boise, ID Last Update: 231 AM MDT Sat Mar 21 2026 | |
| Today: Decreasing clouds. A 30 percent chance of showers. Cooler with highs 59 to 64. Northwest winds 10 to 15 mph. Gusts to 25 mph this afternoon. Tonight: Mostly clear. Much colder with lows 30 to 35. North winds 10 to 15 mph. Gusts to 25 mph in the evening. Sunday: Mostly sunny. Highs 55 to 60. North winds up to 10 mph in the morning, becoming light in the afternoon. Sunday Night: Decreasing clouds. Lows 34 to 39. Light winds. Monday: Partly sunny. Highs 59 to 64. Light winds. Monday Night: Mostly cloudy. Lows 42 to 47. Tuesday: Rain showers likely, mainly in the afternoon. Chance of rain 60 percent. Highs 59 to 64. Tuesday Night And Wednesday: Mostly cloudy. A 40 percent chance of rain showers. Lows 43 to 48. Highs 58 to 63. Wednesday Night Through Thursday Night: Partly cloudy. Lows 30 to 37. Highs 52 to 57. Friday: Mostly sunny. Highs 57 to 62. | |
| Zone Forecast: Upper Weiser River | |
Visit your local NWS office at: https://www.weather.gov/boi |