Long Island Weather: The Latest on How Much Snow and When

UPDATE: Snow Total Estimates Drop For First Day of Spring Storm

Snow is coming on Sunday, but a good deal of uncertainty remains in how much of the white stuff may accumulate on Long Island as some recent forecast models have shifted the storm farther east of the area.

Here is what we do know: A hazardous weather outlook is in effect for the island. The National Weather Service says "there is a potential for a coastal storm that could bring at least 6 inches of snow to the Tri-State area along with strong winds and minor coastal flooding."

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"Much of this event is expected to be snow," the NWS said in a forecast discussion released Friday night. "Bulk of it Sunday afternoon through Sunday evening. Snow amounts are 4 to 6 inches to the east of NYC and less than that to the north and west."

There is about a 30 percent chance of more than 6 inches of snow accumulating on Long Island and about a 20 percent chance of more than 8 inches, according to NWS forecast maps.

The snow is expected to end around sunrise on Monday morning.

Here's the full forecast:

• Saturday- Sunny, with a high near 43. Wind chill values between 25 and 35. North wind 7 to 10 mph.
• Saturday Night- A chance of snow, mainly after 3am. Mostly cloudy, with a low around 28. Wind chill values between 20 and 25. Northeast wind 5 to 13 mph. Chance of precipitation is 30%.
• Sunday- Snow, mainly after noon. High near 35. Wind chill values between 20 and 25. Northeast wind around 17 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.
• Sunday Night- Snow, mainly before 3am. Low around 32. North wind 14 to 17 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.
• Monday- A chance of snow, mainly before 8am. Partly sunny, with a high near 43. Breezy. Chance of precipitation is 30%.

Photo: AccuWeather