PORTLAND, Ore. (KOIN) -- The potential for dangerously hot temperatures grows across the Portland/Vancouver area this weekend.

A mix of sun and high clouds on Saturday will keep temperatures close to average with Portland highs warming into the mid-80s. The dangerous heat comes later this weekend as highs warm into the mid to upper 90s on Sunday. Triple-digit heat is possible in some locations across western Oregon and southwest Washington this weekend and early next week.

A KOIN 6 Weather Alert goes into place Sunday through Tuesday morning. That's the same with an "Extreme Heat Warning" being issued for the Willamette Valley from the Portland National Weather Service.

Staying hydrated and wearing light colored and loose-fitting clothing is a must when avoiding the peak heat hours of t

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