Boise, Idaho – Boise is expected to reach a sizzling 99°F today, but relief may come soon as storm chances build heading into the holiday weekend.
According to the National Weather Service in Boise, the area will remain mostly sunny and hot Wednesday, with calm winds becoming northwesterly in the afternoon. A slight chance of thunderstorms arrives tonight, with more organized rain and storms possible Thursday night through the Fourth of July. Rain chances reach 50% by Thursday night and Independence Day morning, especially after 9 a.m.
Daytime highs will dip slightly—near 94°F Thursday and 85°F on Friday—as clouds and showers move in. Residents in Ada County and surrounding areas should prepare for slick roads and possible lightning during outdoor events. If planning to attend fireworks or festivals, have an indoor backup plan ready and check local alerts for potential changes.
By Saturday, sunny skies and near-perfect highs in the upper 80s return, bringing back typical summer conditions. But until then, stay weather-aware, hydrate during the heat, and avoid peak sun exposure between noon and 5 p.m.
More rain is possible late Friday, with dry conditions returning through the weekend.
🔍 Five-Day Forecast for Boise, ID:
- Thursday: High 94°F – Slight chance of showers (20%)
- Friday (Independence Day): High 85°F – 50% chance of showers and thunderstorms
- Saturday: Sunny, High 88°F – Clear overnight, Low 60°F
- Sunday: Hot and sunny, High 94°F – Mostly clear overnight
- Monday: Hotter still, High 98°F – Night low 64°F, sunny and dry
