The National Weather Service upgraded its weather advisory for the Bangor region, issuing a winter storm warning for the area and most of the state for Tuesday into Wednesday.

The updated forecast for the Bangor area is calling for 6 to 10 inches of snow.

Snow is expected to start in the Bangor area after 7 a.m. Tuesday and end early Wednesday morning. Travel is expected to be difficult during the duration of the storm watch.