These TRs from June 2016 probably help. Compare the snow packs from this year to that to get an idea of how to scale.
https://sites.google.com/stephabegg.com/washington/tripreports/vesper-ragged?authuser=0
https://sites.google.com/stephabegg.com/washington/tripreports/bigkangaroo?authuser=0
https://sites.google.com/stephabegg.com/washington/tripreports/burgundy-nf?authuser=0#h.f9kufph9eib1
https://sites.google.com/stephabegg.com/washington/tripreports/stuart?authuser=0#h.8ttdu7i41oye
WA pass approaches will be on snow. Bring boots or GTX approach shoes and light crampons for any steep/exposed approaches. Probably a light axe too, though if you are comfortable you can always do the rock trick ... gloves should be obvious, and a spare pair of socks in the pack.