spots. with expected highs like 117 degrees in palms springs, california. 110 in medford, oregon. 98 in boise, idaho. 104 in seattle, an all-time record. official temperatures are measured in the shade. but here in the street, this is measuring at 157 degrees. feels like a furnace. heat is the number one weather-related killer, especially threatening to the homeless and elderly. volunteer groups are now loading up water to anybody that might need it. the county has 80,000 bottles ready to be delivered. more than 200 people now sheltering in the oregon convention center, serving as an emergency cooling center. doing what they can to stay cool. rob joins us now. when do we expect the heat to peak? reporter: linsey, today and tomorrow, but lasting all week. we hit another record in portland. we have this blocking pattern in place. another heat wave building on the east coast. this is the one that s historic, climate change amplified. it is expanding.