Bear's Den in Siren, WI; nice shop in Ladysmith,WI right on Hwy 8 on left in older house as you travel west; Pins and Needles in downtown St. Croix Falls is about 25 miles west of casino in Turtle Lake WI; Country Schoolhouse in Superior, WI.
I sure hope the shop in St. Croix Falls is still open. We haven't stopped in a couple of years due to traveling at odd hours and/or Sundays. The owner had a nice selection of batiks, brights, thirties, etc. Very pleasant person :-)
If you check further, I know there are two small shops south of Turtle Lake. One is only open certain hours/days and the other shop was open daily M-Sa. We no longer will be taking that route to visit the kids so I'll be searching for new adventures myself.