Unprecedented: Northwest heat wave builds, records fallBy AP staff (AP)PORTLAND, Ore. June 27, 2021 4:22 p.m. Updated: June 27, 2021 8:51 p.m.📨 Daily news in your inboxSign up today for OPB’s “First Look” – your daily guide to the most important news and culture stories from around the Northwest.EmailPlease leave this field blankSign up