| NWS Forecast for: Lower Treasure Valley Issued by: National Weather Service Boise, ID Last Update: 230 AM MST Sat Feb 28 2026 |  |
| Today: Increasing clouds. Highs 53 to 58. Light winds. Tonight: Rain likely, mainly after midnight. Chance of rain 60 percent. Lows 40 to 45. Light winds. Sunday: Rain likely. Chance of rain 60 percent. Highs 52 to 57. Light winds. Sunday Night: Rain likely. Patchy fog in the evening. Areas of fog after midnight. Chance of rain 60 percent. Lows 41 to 46. Light winds. Monday: Mostly cloudy. Patchy fog in the morning. A chance of rain, mainly in the morning. Chance of rain 40 percent. Highs 55 to 60. Northwest winds 10 to 15 mph. Monday Night: Mostly clear. Lows 34 to 39. Tuesday: Increasing clouds. Areas of fog in the morning. Highs 60 to 65. Tuesday Night: Mostly cloudy. A slight chance of rain after midnight. Chance of rain 20 percent. Lows 39 to 44. Wednesday: Rain. Chance of rain 80 percent. Highs 50 to 55. Breezy. Wednesday Night: Mostly cloudy with a chance of rain in the evening, then partly cloudy after midnight. Chance of rain 30 percent. Lows 33 to 38. Thursday: Partly cloudy with a 20 percent chance of rain. Highs 50 to 55. Breezy. Thursday Night And Friday: Partly cloudy. Lows 31 to 36. Highs 51 to 56. Breezy. | |
| Zone Forecast: Lower Treasure Valley | |
Visit your local NWS office at: https://www.weather.gov/boi |