A potent storm system is moderate to heavy snowfall and powerful winds causing whiteout conditions. Expect snowfall until early this evening. Strong north winds will reach 40 to 55 miles per hour, causing blowing and drifting snow and reducing visibility on roads and highways.

Shift in winter storm track brings heavy snow risk to central and eastern areas of Upper Michigan -- blowing snow, gusty wind hazards remain.

Today is a First Alert 6 Weather Day for a combination of strong winds and snow. Blizzard Warnings are now in place for areas along and north of I-80, including the metro, for most of the day.The change over from rain to snow has happened with snow now falling across the metro.