Blizzard warning remains in effect until 1 p.m.

A blizzard warning remains in effect until 1 p.m. today for southeastern Mass., including the Cape and Islands.

The National Weather Service expects heavy snow to continue until mid-morning, with rates of up to an inch an hour.

In addition to snow accumulations already on the roads, travel will remain difficult due to wind gusts of up to 45 mph, which will blow the snow around and reduce visibility, occasionally below a quarter-mile.

The snow will begin to lessen in intensity sometime after 10 p.m., according to the weather service, but could continue until early afternoon.

Total snowfall amounts of 10 to 16 inches are expected in Southeastern Massachusetts, although wetter snow later in the day could reduce snow totals.

The National Weather Service issues a blizzard warning when sustained winds or frequent gusts over 35 mph are expected along with considerable falling or blowing snow, creating white-out conditions.

People in the blizzard warning area are advised to stay indoors. They are also encouraged to check all external vents on their houses, as vents blocked by snow drifts can lead to a carbon monoxide risk.

The weekend storm that hit the nation’s capital has crippled travel, stranded motorists, and canceled plans for many holiday shoppers. At least five deaths in Virginia and Ohio were blamed on the wintry weather.

Boston’s Logan International Airport is reporting cancellations and delays Sunday morning and are advising passengers to check with their individual airline before leaving for the airport.

T.F. Green Airport is reporting delays and some cancellations mainly for flights scheduled to arrive or depart before noon.

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