The Pacific Northwest is preparing for a significant late-summer heat wave, with potentially record-breaking temperatures expected across Oregon, Washington, Northern California, Idaho, and Nevada. Forecasters are warning residents to brace for extreme heat, with Portland potentially reaching highs of 105°F (40.6°C) and Seattle nearing 98°F (36.7°C). AccuWeather predicts that this heat wave could bring near-record temperatures to the region, increasing the risk of heat-related illnesses and exacerbating wildfire conditions.