| NWS Forecast for: Oregon Lower Treasure Valley Issued by: National Weather Service Boise, ID Last Update: 230 AM MDT Wed Sep 2 2026 |  |
| Today: Partly cloudy. A slight chance of showers and thunderstorms this morning. Chance of rain 20 percent. Highs 74 to 79. Breezy. Southwest winds 10 to 20 mph with gusts to 30 mph. Tonight: Showers. Patchy fog after midnight. Chance of rain 80 percent. Lows 51 to 56. Breezy. South winds 10 to 20 mph. Gusts to 45 mph in the evening, decreasing to 25 mph after midnight. Thursday: Patchy fog in the morning. Showers. A slight chance of thunderstorms in the afternoon. Chance of rain 80 percent. Cooler with highs 61 to 66. South winds 10 to 15 mph with gusts to 25 mph. Thursday Night: Showers with a slight chance of thunderstorms in the evening, then a chance of showers after midnight. Areas of fog. Chance of rain 80 percent. Lows 46 to 51. Northwest winds up to 10 mph. Friday: Areas of fog in the morning. Partly cloudy with a 40 percent chance of showers. Highs 66 to 71. Light winds. Friday Night: Decreasing clouds. A 40 percent chance of showers. Patchy fog in the evening. Areas of fog after midnight. Lows 43 to 49. Saturday: Areas of fog in the morning. Mostly sunny. Highs 70 to 75. Saturday Night And Sunday: Mostly clear. Areas of fog. Lows 44 to 52. Highs 75 to 80. Sunday Night: Increasing clouds. A slight chance of thunderstorms in the evening. A chance of showers. Patchy fog in the evening. Areas of fog after midnight. Chance of rain 40 percent. Lows 48 to 56. Labor Day: Areas of fog in the morning. Partly cloudy with a 40 percent chance of showers. Highs 71 to 76. Monday Night And Tuesday: Partly cloudy. Patchy fog in the evening. Areas of fog through the day. A 20 percent chance of showers. Lows 46 to 53. Highs 72 to 77. | |
| Zone Forecast: Oregon Lower Treasure Valley | |
Visit your local NWS office at: https://www.weather.gov/boi |