(Portland, OR) -- Multnomah County has three cooling centers open from 1 p.m. to 8 p.m. during the heat wave. The City and County declared an emergency to allow government agencies to respond faster. Portland also has splash pads, misting stations, and libraries available as places to cool off. Washington County has two cooling centers and several locations including libraries. Clackamas County has libraries and several community centers where people can go to cool off.