Pacific Northwest heat wave to reach worst day, Northeast braces for heat wave of its own: Latest

A dangerous and record-breaking heat wave has enveloped the West Coast -- and soon the East Coast will be hit by a heat wave, too.

A dangerous and record-breaking heat wave has enveloped the Pacific Northwest, with the worst to come for Seattle and Portland -- and soon the Northeast will be hit by a heat wave, too. Portland, Oregon, reached 112 degrees and Seattle reached 104 degrees on Sunday, breaking both cities' all-time record highs. Canada also recorded its highest temperature ever on Sunday. Thousands in Washington state were without power Sunday, reported ABC Seattle affiliate KOMO. The Red Cross has established cooling centers across Oregon, according to ABC Portland affiliate KATU.