| NWS Forecast for: Upper Treasure Valley Issued by: National Weather Service Boise, ID Last Update: 231 PM MDT Sun Apr 19 2026 | |
| Tonight: Decreasing clouds. Lows 40 to 47. East winds 10 to 15 mph with gusts to 25 mph. Monday: Sunny. Highs 80 to 85. Southeast winds 10 to 15 mph with gusts to 25 mph. Monday Night: Partly cloudy. Lows 45 to 50. East winds up to 10 mph with gusts to 20 mph. Tuesday: Sunny. Highs 79 to 85. Breezy. Southeast winds 10 to 20 mph. Gusts to 30 mph in the afternoon. Tuesday Night: Rain showers, mainly after midnight. Chance of rain 80 percent. Lows 41 to 46. Windy. West winds 15 to 25 mph with gusts to 35 mph. Wednesday: Rain showers. A slight chance of thunderstorms in the afternoon. Chance of rain 90 percent. Much cooler with highs 51 to 56. Windy. Wednesday Night: Rain showers likely, mainly in the evening. Chance of rain 60 percent. Lows 36 to 41. Windy. Thursday: Decreasing clouds. A 30 percent chance of rain showers. Highs 54 to 59. Breezy. Thursday Night: Partly cloudy with a slight chance of rain showers in the evening, then mostly clear after midnight. Chance of rain 20 percent. Lows 32 to 37. Breezy. Friday: Partly cloudy. A slight chance of rain showers in the afternoon. Chance of rain 20 percent. Highs 59 to 64. Friday Night: Decreasing clouds. Lows 34 to 39. Saturday: Partly cloudy. A slight chance of rain showers in the afternoon. Chance of rain 20 percent. Highs 61 to 66. Saturday Night: Partly cloudy. Lows 35 to 40. Sunday: Partly cloudy. A slight chance of rain showers in the afternoon. Chance of rain 20 percent. Highs 62 to 67. | |
| Zone Forecast: Upper Treasure Valley | |
Visit your local NWS office at: https://www.weather.gov/boi |