PORTLAND, Ore. (KOIN) – Multnomah County is preparing for the hottest weekend of the year so far, warning residents that the first weekend of summer-like heat is always a concern.

The National Weather Service announced a heat advisory from Sunday through Monday with temperatures reaching 92 to 96 degrees throughout the Willamette Valley, SW Washington, the Columbia River Gorge, and the Hood River Valley.

Brendon Haggerty with the Multnomah County Health Department said the county pays close attention to the first hot weekend of the year. He said it poses a threat to everyone, not just vulnerable populations, because our bodies are not acclimated to the heat yet.

“We're not used to the heat, and that makes us more prone to getting ill from the heat, having heat exhaustion or heat stroke,

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