The best time to visit Willow Island, Nebraska, is during the late spring to early autumn months, specifically from May to September.During these months, the weather is generally warm and pleasant, making it ideal for outdoor activities and exploring the natural beauty of the area. You'll find comfortable temperatures for fishing, boating, hiking, and enjoying the local parks and wildlife.For those interested in fishing, particularly for walleye and other popular species, May and June are often considered prime months due to active fish. The water levels are typically good, and the fish are biting.Families travelling with children will appreciate the summer months, July and August, when the weather is warmest for swimming and water sports on the lake.