Heavy Spring Snow In Northern Iowa 04/10/2018 It’s -9F (-12.8C) in North Dakota and heavy snow in Iowa. Welcome to Spring under global warming. Heavy Spring Snow In Northern Iowa – 4/8/2018 Late spring snowfall brings heavy snow to northern Iowa. Up to one inch per hour snow rates. Snow totals of 4-8 inches could drop in this area today and tonight. SID: TJ Kleckner