Followed the uphill skin track at Summit West, but failed to turn at the right time and so had to do steep kick turns with my splitboard up a 30°+ loaded slope--the mini-gully on the north side near the ski boundary (47.42484, -121.42593). I had run into stableish on-piste snow that was easy to skin up, but the off-piste snow in the section I tried ascending was almost storm snow over ice in the morning (around 9:30). Skinning up the steep slope was grueling, I slid downhill, then gave up and decided to boot it up the hillside. It was still a bit difficult to get a purchase with my hard boots (no crampons), but I could kick in small steps (1-2" deep).
The snow was nice to ride down around 10:15. Storm snow on crust.
Weather was very obscured in the morning when I arrived (around 8:30); clouds created an inversion below 4k'/5k' (it looked like Snoqualmie Mt summit was clearer). Temps stayed below freezing (mid to upper 20s according to my car).