Michigan afternoon weather update: Snow piles up in the Northeast, rain ends in the South

The storm system continues to move at a steady rate, but several inches of snow are yet to fall over northern Lower Michigan. In Southern Lower, the mud-making rain will come to an end.

Two to six inches of snow has fallen across northern Lower Michigan so far. This screenshot of the radar at 11:30 gives you a good sense of where the rain-snow line has been all night and this morning. It was pretty much a stationary rain-snow line oriented southwest to northeast from Big Rapids to Gladwin.

Radar image from Saturday 12 December 2020 at 11:10 am

Here is the radar prediction from our best short-term computer model. It shows the areas of precipitation moving along.

radar forecast

Radar forecast from 11:00 a.m. to 7:00 p.m. Saturday 12 December 2020

Intermittent heavy snow will continue throughout the northern half of Lower Michigan through this afternoon. The trailing edge of the snow and the end of the snow will be moving west to east between 5pm and 7pm tonight. In Southern Lower the rain will gradually end this afternoon.

The forecast below reflects the EXTRA snow expected this afternoon. The northeast coast of Lower Michigan, from Cheboygan to Alpena, could have another 15 inches of snow this afternoon. The remainder of northern Lower faces another two to four inches of snow. This should bring the storm totals between five and seven inches of snow in most places. The extreme northeastern area of ​​Lower Michigan could end up with over 20 inches of snow.

snow forecast

Total additional snow expected from Saturday 12pm to Sunday midnight.

Isolated lake-effect snowbursts may develop over the southwest corner of Lower Michigan, just near the coast, tonight. There could be patchy areas of an inch or two of snow. Otherwise, southern Lower Michigan should only expect a burst of snow or two that doesn’t accumulate.

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