Northwest in for a Cool Wave

Interior Washington and Oregon will be in the 90s Wednesday afternoon, and afew 90s will show up across the border in southern British Columbia.Thursday and Friday, the hot air will be shoved out of the region by muchcooler air arriving from the North Pacific. Here is how dramatic the changewill be..: In Spokane, Wash., it will hit 90 degrees Wednesday. Friday, thehigh there will be 69. Similar large temperature drops of as much as 20 degreescan be expected in Oregon, Idaho and western Montana later this week.

In the meantime, the hot air will be shoved out across the northern Plainswhere temperatures will peak in the mid-90s Friday.

Story by AccuWeather.com Senior Meteorologist John Kocet.