If y'all want a quick reference to a page where you can get an extended forecast, an hourly forecast for any of those days and a radar map, including an animated one here are the links for the PNW destination cities that you might find very useful:
In addition, here are a few points en-route
In all cases you will get the current weather plus the forecast starting at the time that you click the link. If you keep the page up in your browser it will automatically update with the latest info as time moves along. And if you are into RSS feeds, you can subscribe to any of these pages RSS feed by simply clicking on the
RSS Feed link above.