High pressure builds across Oregon for fabulous Monday
PORTLAND, Ore. (KOIN) -- Monday is going to be another fabulous day with high temperatures in the low 80s in the Portland metro area. Just like Sunday, we will see a few passing high clouds as well.
A ridge of high pressure continues to build in across the region on Monday, the first 100% full day of autumn. It gets even better after that.
On Tuesday, a light offshore flow will develop as easterly winds push up and over the Cascade Mountains and down into the Willamette Valley. The result will be temperatures climbing as high as the low 80s in the metro area on Tuesday.
But this time around it will be a short-duration event. This is not a major heat wave lasting several days. It will just be one day around 90 degrees in Portland on Tuesday.
Either way you slice it, get ready for some great early autumn weather before showers return to the forecast midweek.