The National Weather Service issued an updated winter storm warning at 9:54 a.m. EST on Wednesday valid from 1 p.m. EST until Thursday 7 a.m. EST for Alpena, Alcona, Ogemaw, Iosco, Gladwin and Arenac counties.

LANSING — Virtually all of lower Michigan is expected to get significant snowfall starting Wednesday afternoon and continuing into Thursday morning. The Lansing region is under a winter weather advisory, with 4 to 6 inches of snow expected by early Thursday. Some area school districts canceled afternoon activities on Wednesday.

Most of Michigan's Lower Peninsula could see significant snow accumulation Wednesday into Thursday, according to the National Weather Service.

In southeast Michigan and the Thumb area, the counties under a warning include Huron, Sanilac, St. Clair and Macomb. To the north, the counties under a warning include Alpena, Alcona, Ogemaw, Iosco, Gladwin and Arenac.

More than 30 counties in Michigan are under storm watches or advisories as the snow is expected to hit the state beginning 1 p.m. Wednesday.

Southeast Michigan is now predicted to see anywhere between 5-12 inches of snow as a winter storm hits the entire Lower Peninsula.

A winter storm is expected to hit Michigan Wednesday and with it, between four to six inches of snow is expected to fall in some parts of the state. The storm should begin over western and southwestern Lower Michigan this afternoon and cross the state throughout the evening.

Heavy snow will begin falling Wednesday evening and continue into Thursday morning. Here's how much to expect.

Metro Detroit could see 6-8 inches of snow as a winter storm is expected to hit the state. Here are expected totals near you.