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Wintry week in store for WNY; polar vortex back in the discussion

A cold week is forecast for Western New York.

It will be pretty snowy too, forecasters said.

Today, expect chilly conditions with temperatures only in the low 20s under mostly sunny skies.

Breezy southwest winds will make it feel like it's in the single digits today, the weather service said.

Chances for some snow showers are expected to increase later tonight. Overnight lows will be in the teens.

A general snowfall tonight is expected to bring about 1 to 3 inches of new snow to Western New York.

Forecasters said snow is possible through dawn Tuesday, but chances for snow showers remain through most of the day with highs in the upper 20s expected.

Overnight lows Tuesday are forecast to dip back into the teens with a 40 percent chance for snow showers, the weather service said.

Then, as a storm system passes the region to the south, it's a near certainty that the Buffalo Niagara region will pick up some measurable snow on the cold side of the storm.

A new AccuWeather map and report puts the Buffalo Niagara region within the zone of possible highest accumulations associated with the storm.

"Confidence remains high in a widespread snowfall across the region starting early Wednesday morning with the period of heaviest snowfall being during the day Wednesday," the weather service said.

Forecasters were still busy trying to pin down details on forecast snowfall amounts. Early estimates suggest it could be several inches.

Then, later in the week, another shot of cold Arctic air could affect the region thanks to another gyration by the polar vortex, weather service forecasters said.

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