| NWS Forecast for: Upper Treasure Valley Issued by: National Weather Service Boise, ID Last Update: 230 PM MDT Sat Oct 10 2026 |  |
| Tonight: Partly cloudy with isolated rain showers this evening, then mostly cloudy after midnight. Chance of rain 20 percent. Colder with lows 35 to 41. Windy. Northwest winds 15 to 25 mph with gusts to 35 mph. Sunday: Patchy fog in the morning. Partly sunny in the morning, then numerous rain showers in the afternoon. Chance of rain 60 percent. Cooler with highs 52 to 57. Breezy. Northwest winds 10 to 20 mph with gusts to 30 mph. Sunday Night: Numerous rain showers, mainly in the evening. Chance of rain 60 percent. Lows 33 to 39. Windy. Northwest winds 15 to 25 mph with gusts to 35 mph. Columbus Day: Mostly cloudy with a 50 percent chance of rain showers. Patchy fog. Highs 51 to 56. Northwest winds 10 to 15 mph with gusts to 30 mph. Monday Night: Mostly cloudy. Areas of fog. A chance of rain showers after midnight. Chance of rain 30 percent. Lows 31 to 37. Northwest winds around 10 mph with gusts to 20 mph. Tuesday: Areas of fog in the morning. Partly cloudy with a chance of rain showers in the morning, then sunny in the afternoon. Chance of rain 30 percent. Highs 58 to 63. Breezy. Tuesday Night Through Wednesday Night: Mostly clear. Areas of fog. Lows 32 to 41. Highs 62 to 67. Thursday And Thursday Night: Clear. Areas of fog in the morning. Areas of fog after midnight. Highs 64 to 69. Lows 35 to 42. Friday: Areas of fog in the morning. Sunny. Highs 68 to 73. Friday Night And Saturday: Mostly clear. Patchy fog through the day. Lows 38 to 46. Highs 72 to 77. | |
| Zone Forecast: Upper Treasure Valley | |
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