| NWS Forecast for: Upper Treasure Valley Issued by: National Weather Service Boise, ID Last Update: 230 PM MDT Thu Aug 27 2026 | |
| Tonight: Partly cloudy this evening, then mostly cloudy with a chance of showers with a slight chance of thunderstorms after midnight. Patchy smoke after midnight. Chance of rain 40 percent. Lows 61 to 67. Northwest winds 10 to 15 mph with gusts to 25 mph. Friday: Patchy smoke in the morning. Mostly cloudy with a chance of showers with a slight chance of thunderstorms. Chance of rain 30 percent. Not as warm with highs 82 to 87. Breezy. Northwest winds 10 to 15 mph in the morning, shifting to south 10 to 20 mph in the afternoon. Friday Night: A slight chance of thunderstorms in the evening. Areas of smoke in the evening. Cloudy with a chance of showers. Chance of rain 50 percent. Lows 57 to 63. Southeast winds 10 to 15 mph with gusts to 30 mph. Saturday: Decreasing clouds. A slight chance of showers in the morning. Chance of rain 20 percent. Highs 82 to 87. Southeast winds around 10 mph in the morning, shifting to northwest in the afternoon. Gusts to 25 mph. Saturday Night: Mostly cloudy with a chance of showers in the evening, then partly cloudy after midnight. Chance of rain 30 percent. Lows 51 to 56. Breezy. Northwest winds 10 to 20 mph with gusts to 30 mph. Sunday: Sunny. Highs 77 to 82. Sunday Night: Clear. Lows 48 to 54. Monday And Monday Night: Mostly clear. Highs 84 to 89. Lows 54 to 61. Breezy. Tuesday Through Wednesday Night: Partly cloudy. Highs 80 to 89. Lows 50 to 58. Thursday: Sunny. Highs 78 to 83. | |
| Zone Forecast: Upper Treasure Valley | |
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