|Kim and family.|
At all these sales, plan to show up early (before they open is best) and bring cash to help get you in and out quickly, before long lines form. Here's a list of all the ones I know about in the region by date. Please doublecheck any you'd like to go to, as there are sometimes date/venue changes.
If you can't make a sale, check out these lists of children's consignment stores that are open year 'round: http://www.oregonmom.com/Shopping/consignment.htm and http://www.redtri.com/portland-kids/back-to-school-bargains-5-awesome-consignment-stores and Daisies and Dinos http://goodcleankidstuff.com/.