The National Weather Service has issued a Winter Storm Warning for Suffolk County, and a Winter Weather Advisory for Nassau County as Winter Storm Mars Approaches. Both the Warning and the Advisory will go into effect at 3 AM on Monday morning, and stay in effect until 6 PM Monday evening.

In Suffolk, accumulations of 4 - 8 inches is expected, and in Nassau, accumulations of 2 to 5 inches is expected. Both Counties can expect winds of 10 - 20 MPH, which guys of 25 - 35 MPH during that timeframe.

The NWS advises drivers to stay off the roads if possible, as visibility will be significantly limited, and the high winds and heavy, wet snow have the potential to knock down tree branches. The heaviest snowfall is expected to fall during Monday morning's commute.

Although no School Closings or Delays have been announced yet, be sure to check our Long Island School Closures Page for the latest updates on your local district closings.

For the most up to date weather information, head over to the LongIsland.com Weather Center, where you can find the latest weather forecasts, advisories and more.

To get the latest traffic & road conditions before traveling, visit the LongIsland.com Traffic Center, and be sure to check out the live traffic feeds on our Traffic Cam Page.

[Source: NWS.]