Triple-digit temperatures are forecasted for Oregon and Southwest Washington. Learn more here.

PORTLAND, Ore., KATU — Summer heat is expected to set in for Western Oregon and Southwest Washington with temperatures nearing 100 degrees by Sunday.

The National Weather Service of Portland is issuing an excessive heat watch starting Monday morning for “dangerously hot conditions” and a likely chance of temperatures between 94 and 105 degrees through Thursday.

KATU Meteorologist Dave Salesky said the high temperatures are coupled with an east wind through the Columbia River Gorge, making for critical fire danger.

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