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According to StormTeam 6, the heart of a winter storm began moving into central Indiana late Sunday afternoon, with accumulations of 5 to 9 inches expected by Monday evening.

A winter storm warning remains in effect through Monday morning for central Indiana.

Accumulations along and south of a line from Sullivan to Columbus are expected to be a bit lower because of rain and sleet mixing into the snow.

Snow and rain began falling in parts of western Indiana before 6 a.m. as part of the first wave of the storm system, but it quickly moved out of the area.

The initial snowfall left little accumulation in most areas, and for areas that got snow, most of it melted later in the day.

The first wave brought a little more than 2 inches of snow in Boone County and little to no snow south of Indianapolis.

Moderate to heavy snow, some accompanied by thunder in Illinois, pushed into Indiana late in the afternoon.

StormTeam 6 Chief Meteorologist Kevin Gregory said the snow that falls will be very wet and slushy. Accumulations will primarily be in grassy areas at first, but snow will pile up quickly after later in the evening as temperatures fall.

By late evening on Sunday, temperatures will begin to fall below freezing and the snow is expected to be falling more heavily. This is when the bulk of accumulation will occur.

“Winds will gust at 25 to 30 mph at times, and heavy snow is expected, mostly during the late afternoon and early evening hours,” said StormTeam 6 meteorologist Ashley Brown.

A winter weather advisory will go into effect for much of southern Indiana, where snowfall totals will be less.

Snow is expected to persist into the morning on Monday. The morning commute could be rough in the Indianapolis area.