WILLMAR — Eight decades after Willmar began its tradition of a summer celebration, it may have just enjoyed its best. “Very successful,” said Jame Miller, president of Willmar Fests and the Willmar Lakes Area Chamber of Commerce, when asked how the 2026 version went. Other than the interruption of a brief Friday evening rain, events through the week saw some of the best crowds ever and won lots of applause by those enjoying them, according to Mi…