Euro ensembles show the big weekend storm:

You can see that many of the Euro ensemble members are showing the strong weekend storm as the red lines in the 1st image show a storm with a pressure below 980 mb! The 2nd image shows the locations and pressures as of 7 PM Saturday. The Euro ensemble mean max wind gusts is over 40 mph for Long Island with the main Euro run showing gusts over 60 mph, and the ensemble mean rainfall for Long Island is over 1.5 inches. The 3rd image shows the projected temperatures for Long Island, and you can see the cold air behind the strong storm early next week. The 4th image shows the projected snowfall for Long Island for the next 15 days as a running total from every Euro ensemble member.