Boise, Idaho – Boise is set to bake under intensifying summer heat this weekend, with Sunday’s high expected to reach 94°F before a chance of isolated thunderstorms rolls in overnight.
According to the National Weather Service in Boise, temperatures across southwest Idaho will climb into the 90s both Saturday and Sunday, with clear skies and dry air driving elevated fire weather conditions. Winds could gust up to 20 mph Saturday afternoon before calming in the evening. A brief thunderstorm chance emerges Sunday night, with only a 20% chance of rain but enough instability to raise concerns for lightning and dry strikes.
Localized impacts are expected for areas west of Boise, including Meridian and Nampa, where dry brush and high winds could increase the risk of wildfire starts. Drivers and hikers should remain alert to changing conditions, especially Sunday night when isolated lightning could occur with little rain. The region will stay dry through at least Tuesday, with highs continuing in the upper 80s and low 90s.
Warnings remain in effect for fire weather concerns across the western Treasure Valley through early next week.
Five Day Forecast for Boise, ID:
- Saturday: Sunny and hot, high 92°F. Winds 5–9 mph, gusts to 20 mph.
- Sunday: High near 94°F, slight chance of evening thunderstorms.
- Monday: Mostly sunny, high 86°F. Low around 58°F.
- Tuesday: Sunny, high 87°F. Low 60°F.
- Wednesday: Partly cloudy, high near 91°F.
