If you are wondering what happened to spring, this week is feeling a lot like summer. National Weather Service meteorologist Paul Collar says heat and humidity is the story in Wisconsin this week. Collar says the unusually warm weather for this time of year won’t last long. Temperatures will be closer to normal next week. Since 2000, the warmest high temperature in Fond du Lac was 87 degrees in 2011 and the coldest high was 43 in 2002.