| NWS Forecast for: Oregon Lower Treasure Valley Issued by: National Weather Service Boise, ID Last Update: 230 AM MDT Mon May 18 2026 | |
| Today: Sunny. Highs 67 to 72. North winds 10 to 15 mph with gusts to 25 mph. Tonight: Decreasing clouds. Lows 39 to 44. Northwest winds 10 to 15 mph. Gusts to 25 mph in the evening. Tuesday: Sunny. Highs 71 to 76. Light winds. Tuesday Night: Increasing clouds. Lows 45 to 50. Light winds. Wednesday: Mostly sunny. Highs 74 to 79. Light winds. Wednesday Night: Partly cloudy. Lows 46 to 51. Thursday Through Friday Night: Mostly clear. Highs 77 to 84. Lows 49 to 54. Saturday: Sunny. Highs 83 to 88. Saturday Night: Increasing clouds. Lows 51 to 56. Sunday: Sunny. Highs 83 to 88. | |
| Zone Forecast: Oregon Lower Treasure Valley | |
Visit your local NWS office at: https://www.weather.gov/boi |