MAINE, USA — We're a few days away, but we have to start talking about snow, especially in southern Maine, on Tuesday. There is a decent signal that this may be the first substantial snowstorm on the coast this season. But there is still a lot we have to iron out.

Snow will be mixing with rain along the coastline throughout the day on Tuesday. Maine's Total Weather meteorologist Roger Griswold delivers his hour-by-hour forecast.

A winter storm will deliver a punch of snow to millions in the Northeast after it dumps more white stuff on the snowy Midwest.

Rain and snow will enter Maine today, with most of the precipitation during the afternoon. Temps will warm up. Sunshine will return for most on Monday with breezy conditions before our first major winter system looks to bring impacts to interior and coastal locations on Tuesday.

Black ice, snow showers and fog are pestering post-holiday travelers in the Midwest, while the Northeast is gearing up for its first major snowstorm of the season

Vehicle battery failures are also common in the winter due to increased cold-starting electrical loads, AAA said. Baran suggests you get your car battery tested by a professional if it's more than three years old.

Snow is expected to begin Tuesday morning and continue late into the night, with up to 8 inches in the forecast for some areas.

Maine's Total Weather meteorologist Colleen Hurley provides a timeline of when snow will be falling the heaviest during the all-day storm.

A potential nor’easter could leave as much as a foot of snow in the Poconos in Pennsylvania, the Catskills in New York, and parts of Maine, Massachusetts, New Hampshire and Vermont, a forecaster said.