Todays weather in Boise Idaho - Tuesday - 26 May 2026

Rain showers are moving through Boise this morning, and the unsettled pattern isn't done yet. Today's high holds near 73°F with shower chances running 36–40% through mid-afternoon before thunderstorm chances increase into the evening. The northwest wind gusts up to 24 mph during the day, climbing to 30 mph overnight as the low drops to 49°F — cooler and gustier than the daytime hours suggest.For your morning commute, roads will be damp but manageable. That mid-20s wind gust is enough to flip an umbrella or nudge a cyclist, so grip both hands and grab a light jacket — you'll want it. If you have outdoor plans, schedule them before 3 PM when shower chances are lower.Looking ahead, Wednesday clears in the morning and reaches 83°F before afternoon storms return. Thursday warms to near 85°F with only a slight storm chance. Friday is the most unsettled day of the week, with storm chances jumping to 46% and persisting into Friday night at 50%.The weekend recovers nicely. Saturday clears up, Sunday comes in sunny at 77°F, and Monday looks warm and clean at 84°F. If you're planning anything outdoors, Sunday is your best window.No active weather alerts or advisories are in effect for the Treasure Valley today. The rain is the opening act — the heat arrives later in the week.This episode includes AI-generated content.