I'm not sure what happened-- lots of other knitting distractions, I guess-- but after 5 months, my Forecast is done. More or less. It's a little short, so I am planning to add as much as a can to the bottom hem.
I'm nearly out of yarn (Cascade 220, so I can't do much. Anyway, I'm thrilled with how it turned out. More photos and description on my blog.