Boise, Idaho – Warm, dry weather will dominate southwestern Idaho this week as Boise heads toward a 90°F high by Saturday, with breezy conditions early on giving way to calmer, sunnier days.
According to the National Weather Service in Boise, temperatures will steadily rise from the low 80s Sunday to the upper 80s and beyond by midweek. Winds will gust up to 28 mph Sunday night, prompting caution for high-profile vehicles on I-84 and outdoor burning restrictions in Ada and Canyon counties.
Monday through Wednesday brings mostly sunny skies and daily highs from 77°F to 82°F, with minimal cloud cover and continued west-northwest breezes around 10–15 mph. Tuesday may see localized gusts near 20 mph in open areas west of Boise. Overnight lows will remain in the upper 40s to mid-50s, offering some relief for evening activities and open-window cooling.
By Thursday, the heat ramps up again, with mostly sunny conditions and highs pushing to 86°F before peaking near 90°F Saturday. Residents should hydrate, limit strenuous outdoor work during peak heat, and keep pets cool.
No precipitation is expected this week. Check back daily for updates as the weekend heat wave approaches.
📅 Five-Day Forecast: Boise, ID
- Monday: Sunny, high 77°F, low 49°F. Gusts up to 26 mph.
- Tuesday: Sunny, high 79°F, low 51°F. Winds 10–20 mph.
- Wednesday: Sunny, high 82°F, low 54°F. Calm overnight.
- Thursday: Mostly sunny, high 86°F, low 56°F.
- Friday: Partly sunny, high 88°F, low 58°F.
