PORTLAND -- Parts of eastern Oregon can expect another day of 100-degree temperatures on Tuesday while marine air pushing in from the coast has started reducing high temperatures in western Oregon.
Highs are expected over 100 at The Dalles, Hermiston and Pendleton while other parts of eastern Oregon will be in the upper 90s.
The National Weather Service says highs will be in the low 90s in the interior of western Oregon, including Portland, Salem and Eugene.
A head advisory that covers Salem, Albany, Eugene, Hood River, Hermiston and Pendleton is in effect until 9 p.m. Tuesday.
High temperatures on the coast are forecast in the upper 60s.
Forecasters expect a downward trend in temperatures through the end of the week.