The dog days of summer have arrived as much of the country faces above-average temperatures. “It’s going to be a real oppressive week with dangerous heat and hot conditions across much of the U.S. Excessive heat watches are up across much of the Pacific Northwest for mid to late week, including in the Portland and Seattle metro areas. Meanwhile, heat advisories are in effect for a good part of the south-central U.S. and parts of western New York state,” according to the National Weather Service (NWS). Great Plains and Upper Midwest states could see triple-digit temperatures and daily record high...