| NWS Forecast for: Oregon Lower Treasure Valley Issued by: National Weather Service Boise, ID Last Update: 230 AM MDT Sun Oct 18 2026 |  |
| Today: Sunny. Highs 68 to 73. Northwest winds up to 10 mph this morning, becoming light this afternoon. Tonight: Mostly clear. Lows 34 to 42. Light winds. Monday: Mostly sunny. Highs 69 to 74. Light winds. Monday Night: Partly cloudy. Lows 41 to 47. Northwest winds up to 10 mph. Tuesday: Decreasing clouds. Highs 70 to 75. Light winds. Tuesday Night And Wednesday: Partly cloudy. A 20 percent chance of showers. Lows 45 to 51. Highs 70 to 75. Wednesday Night: Mostly cloudy with a 40 percent chance of showers. Areas of fog after midnight. Lows 43 to 50. Thursday And Thursday Night: Rain showers likely. Areas of fog in the morning. Areas of fog through the day. Chance of rain 60 percent. Highs 66 to 71. Lows 42 to 48. Friday: Partly cloudy. A slight chance of rain showers in the morning. Chance of rain 20 percent. Highs 61 to 66. Breezy. Friday Night: Increasing clouds. Lows 35 to 41. Saturday: Patchy fog in the morning. Mostly sunny. Highs 57 to 62. | |
| Zone Forecast: Oregon Lower Treasure Valley | |
Visit your local NWS office at: https://www.weather.gov/boi |