Boise, Idaho – Triple-digit heat is set to push across southwestern Idaho this weekend, with highs climbing to 98°F in Boise by Saturday and smoky conditions likely to reduce visibility across the Treasure Valley.
According to the National Weather Service in Boise, Friday will reach 97°F before patchy smoke moves in overnight. The heat intensifies Saturday, with a high of 98°F and west-northwest winds offering little relief. By Sunday, temperatures ease slightly but remain dangerously hot at 94°F, with skies turning mostly cloudy.
Communities including Meridian, Eagle, and Kuna should prepare for persistent heat and limited air quality through early next week. Outdoor events may be impacted by smoke, and health officials recommend limiting strenuous activity during peak afternoon hours. Drivers should be alert for reduced visibility, particularly along I-84.
Residents are urged to stay hydrated, avoid prolonged time outdoors, and check cooling centers if homes lack air conditioning. The heat is expected to last until at least Monday, with showers and thunderstorms offering some relief beginning Tuesday.
Five Day Forecast for Boise, ID
- Friday: Sunny and hot, high near 97°F. Patchy smoke after midnight, low near 64°F.
- Saturday: Hot with patchy smoke, high 98°F. Low around 69°F, mostly cloudy overnight.
- Sunday: High near 94°F, mostly cloudy. Low near 68°F.
- Monday: Mostly sunny, high near 95°F. Partly cloudy overnight, low 68°F.
- Tuesday: Hot with a chance of afternoon thunderstorms, high near 92°F.
