Eugene, Oregon – Possible afternoon thunderstorms and brief rain chances Wednesday could give way to a stretch of 90-degree heat across the southern Willamette Valley starting Thursday. Cooler conditions overnight won’t last long, with Eugene expected to climb steadily toward the upper 80s and low 90s by the weekend.
According to the National Weather Service in Portland, a weak disturbance will bring isolated showers after 11 a.m. Wednesday, with the highest rain chances in the evening and a slight thunderstorm risk around 5 p.m. Wind gusts may reach up to 7 mph as the system moves through. Precipitation chances top out at 30%, and skies will gradually clear late Wednesday night.
Wednesday: Slight chance of showers after 11 a.m., possible thunder by evening. High near 78°F.
Thursday: Skies clear with sunshine returning. High near 81°F.
Friday: Warmer and dry. High of 85°F under full sun.
Saturday: Summer heat peaks with a high near 88°F.
Sunday: Sunny, continued hot with highs near 87°F.
Temperatures will hover in the low 90s early next week, prompting health and fire safety concerns. Residents should prepare for prolonged heat by staying hydrated, checking on vulnerable neighbors, and limiting outdoor work during peak afternoon hours. More updates are expected if heat alerts are issued.
Five Day Forecast for Eugene, Oregon:
Thursday: Mostly sunny, high of 81°F
Friday: Sunny and warm, high of 85°F
Saturday: Hot and sunny, high of 88°F
Sunday: Clear skies, high near 87°F
Monday: Continued heat, high around 93°F
