FYI, smaller ponds/lakes west of Willmar, MN are snow free. Lakes around Willmar still have snow drifts on them but could be gone by Sunday if it rains. Lac qui Parle, a large lake near the SD/MN border,(near Montevideo) would have been sailable today but a little rough. 7 on a scale of 10.
The problem for the snow free zone trending SW of the Twin Cities is there are few large lakes!