| NWS Forecast for: Upper Treasure Valley Issued by: National Weather Service Boise, ID Last Update: 230 AM MDT Thu May 28 2026 | |
| Today: Mostly cloudy this morning, then partly cloudy with isolated showers and thunderstorms this afternoon. Thunderstorms may produce heavy rainfall, gusty winds, and small hail this afternoon. Chance of rain 20 percent. Highs 83 to 88. Windy. East winds 10 to 15 mph this morning, becoming southeast 15 to 25 mph with gusts to 40 mph this afternoon. Tonight: Partly cloudy. Lows 46 to 52. Southwest winds 10 to 15 mph with gusts to 30 mph in the evening, shifting to northwest with gusts to 20 mph after midnight. Friday: Decreasing clouds. Highs 76 to 81. Northwest winds 10 to 15 mph. Friday Night: A slight chance of thunderstorms in the evening. Mostly cloudy with a chance of rain showers. Chance of rain 30 percent. Lows 47 to 52. Windy. West winds 15 to 25 mph with gusts to 35 mph. Saturday: Partly cloudy. A slight chance of rain showers in the morning. Chance of rain 20 percent. Highs 71 to 76. Windy. Northwest winds 15 to 25 mph with gusts to 40 mph. Saturday Night: Decreasing clouds. Lows 43 to 48. Breezy. Sunday And Sunday Night: Mostly clear. Highs 73 to 78. Lows 44 to 49. Breezy. Monday And Monday Night: Mostly clear. Highs 79 to 84. Lows 49 to 54. Tuesday: Sunny. Highs 84 to 89. Tuesday Night And Wednesday: Partly cloudy. Lows 53 to 58. Highs 88 to 93. | |
| Zone Forecast: Upper Treasure Valley | |
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