On Sunday, temperatures will plunge to three degrees in the morning and only reach a high of eight degrees. Subscribe to WISN on YouTube now for more: http://bit.ly/1emE5YX Get more Milwaukee news: http://www.wisn.com Like us: http://www.facebook.com/wisn12 Follow us: http://twitter.com/WISN12News Instagram: https://www.instagram.com/wisn12news/