The National Weather Service reports that a band of snow will develop tonight and move across portions of central and northeast Iowa. One to three inches of snow is possible. The highest amounts will be along a Mason City to Waterloo line. Conditions will be mild Sunday morning before a strong arctic cold front arrives over northern Iowa during the afternoon. Strong and gusty winds will accompany the front along with snow squalls. Wind gusts of 50 to 60 mph are possible. These conditions combined with snow tonight will lead to the potential for Blizzard conditions Sunday afternoon and evening. Wind chills will become dangerously cold Sunday night through Tuesday morning. Wind chill values of 20 to 40 below zero are expected.