Boise, Idaho – Expect strong winds to rattle Boise and the surrounding Treasure Valley through Sunday evening, with gusts reaching up to 30 mph along I-84. The National Weather Service issued a Wind Advisory effective until 9 p.m. MDT Sunday, warning of hazardous crosswinds that may affect high-profile vehicles and lightweight outdoor items.
According to the NWS, north-northwest winds will blow steadily between 10 and 17 mph, with gusts topping 30 mph by early evening. While no widespread damage is expected, loose items such as patio furniture and trash bins should be secured. Drivers—especially those along I-84 between Boise and Mountain Home—should use caution due to potential sudden gusts.
Skies will remain mostly sunny Sunday afternoon with a high near 60°F, before dipping into the upper 30s overnight. Winds will weaken late Sunday night into Monday morning, bringing a calm and pleasant start to the new week. Monday will be sunny and warmer, with highs reaching 68°F and gentle west-northwest breezes under 10 mph.
Looking ahead, Boise’s weather will trend dry and mild through midweek. Tuesday and Wednesday will bring abundant sunshine and warming temperatures, peaking at 75°F by Wednesday afternoon. A slight chance of showers may return late Wednesday night, but most areas will stay dry.
Extended 5-Day Outlook for Boise:
- Monday: Sunny, high 68°F
- Tuesday: Sunny, high 69°F
- Wednesday: Sunny, high 75°F
- Thursday: Mostly sunny, high 79°F
- Friday: Sunny, high 82°F
