Portland and surrounding regions are bracing for a heat wave, with temperatures expected to soar into the 90s over the weekend. As high-pressure systems build in the Pacific Northwest, the area will experience sunny skies and a significant rise in temperatures. A heat advisory has been issued as the combination of summer heat and potential thunderstorms could escalate fire dangers across Oregon. Residents are advised to prepare for intense heat and severe weather later in the week, with lightning and showers forecasted. The extreme temperatures could persist, marking some of the hottest weather of the summer. Stay tuned for updates regarding heat advisories and storm alerts.