9th annual Plein Air where artists paint outside on the prairies as Harvey Dunn had done in the past. All interested in painting, amateur, professional or just to observe, are invited. Over 60 artists from 5 states attend. Registration all day Friday at Laura Ingalls Wilder Society & reception in evening. Saturday registration at Ingalls Homestead with 2 adult workshops and children's painting workshop. Reception & meal in evening. Wet Sale all day Sunday at Event Center. Public invited to attend and purchase art on Sunday. All events free to artists and public. Fun event for everyone watching the artists and techniques as they paint scenes around the De Smet area.