Snow is expected to move in from the south and west during the morning hours, reaching New York City by noontime.
Watch: CBS2’s John Elliott With The Latest Weather Forecast
The city may see 2 to 4 inches of accumulation before the precipitation turns over to sleet and then heavy rain overnight.
“It’s going to turn to rain eventually, but I am concerned that that’s a really bad time for that all to be hitting,” Mayor Bill de Blasio said Monday.
Web Extras: Weather Center | School Closings | Winter Survival Guide
The Office of Emergency Management issued a travel advisory from 6 a.m. through midnight. The Department of Sanitation has nearly 700 salt spreaders stationed across the five boroughs, and 1,600 plows standing by.
“We are expecting wintry mix of snow, sleet, and rain that will cause messy travel conditions on Tuesday. We advise New Yorkers to take mass transit where possible, exercise caution when driving, walking, or biking, and allow for extra travel time,” OEM Commissioner Joseph Esposito said in a statement. “NYC Emergency Management is working closely with agency partners to coordinate preparations for the upcoming storm.”
New York City public schools will stay open Tuesday, but dozens will be closed outside the city.
Areas north and west could see 4 to 6 inches, with the possibility of icing and power outages.
A state of emergency went into effect in New Jersey at midnight.
“It’s going to be a mess pretty much everywhere,” Gov. Phil Murphy said Monday. “If you come across a plowing or spreading operation, please stay clear, do not try to pass them.”
As of 4 a.m., hundreds of flights were already canceled at area airports, including 205 at LaGuardia Airport, 106 at John F. Kennedy International Airport and 50 at Newark Liberty International Airport.
The storm will likely be followed by gusty winds on Wednesday.