Weather Madness Winter Weather Forecast. A nor'easter will pack heavy snow, rain, potentially damaging winds and coastal flooding as it intensifies off the East Coast early this week. Here's a look at where the storm is now and what's to come. The winter storm is producing mainly light snowfall in the Great Lakes and interior Northeast. Rainfall is spreading up the mid-Atlantic coastline. We expect the storm's worst impacts to peak Monday night into Tuesday and early Wednesday.