A FROST ADIVSORY is in effect from 2am to 8am ET for Detroit and all of Southeast Michigan except Sanilac County. No matter where you are in the region, keep pets and potted plants and seedlings indoors to stay warm and healthy.
Saturday night lows in the low to upper 30s.
Sunday will become milder with sunny skies for the start of Bookstock 2017. Highs will be in the middle 60s. - @AndrewHumphrey