May's Heavy Rains, Snow Demand Boaters' Attention The wet spring with May's heavy rainfalls and snowstorms have swelled some Wisconsin lakes, streams and rivers into flood stages. High water marked by surging currents and hidden floating debris has Department of Natural Resources officials urging all water users to check local water conditions, to know the area's weather forecasts and to wear your life jackets. DNR Bureau of Law Enforcement Captain April Dombrowski says the higher, fast-moving water also can tax an individual's boating and paddling skills.