Boise, Idaho – A much-needed cooldown is on the way for Idaho as rain chances ramp up across the state beginning Saturday, bringing with it afternoon thunderstorms and a notable drop in temperatures.
According to the National Weather Service in Boise, precipitation probabilities rise steadily starting Saturday afternoon, peaking Monday and Tuesday across Treasure Valley, the West Central Mountains, and the Magic Valley. Boise is expected to hit a high of just 76°F by Tuesday, a full 18 degrees cooler than Friday’s 94°F, with a 50% chance of rain midday.
Central and mountain regions—including McCall, Stanley, and Brundage Mountain—could see the most consistent rainfall, with probabilities hovering near 55–60% from late Monday through Wednesday. Stanley may not break 65°F by midweek, a steep drop from this week’s highs in the upper 80s…