“Still cold (and below normal), but a welcomed improvement to what we’ve experienced the past few days,” the weather service said in its morning forecast discussion. Overnight lows the next two nights should be in the teens before we settle into the 20s Saturday night into Sunday.

This new type of weather warning was activated because of the dangerously cold temperatures and wind-chill readings in northeastern Pennsylvania.

This week, the National Weather Service issued a new type of alert to better inform the public about the conditions we are experiencing.

An unusual weather phenomenon known as thundersnow was reported near Essex County Sunday evening, according to the National Weather Service. The rare weather event was reported around 6:17 p.m.

The quick moving snowstorm brought frigid temperatures to New Jersey, with wind making it feel like single digits. The cold is expected to last all week.

The NWS extends a Cold Weather Advisory for the region including parts of Delaware, Maryland, New Jersey, and southeast Pennsylvania.

The National Weather Service (NWS) in Mount Holly has expanded Winter Storm Warnings to include all of southeastern Pennsylvania and portions of central New Jersey. The forecast has trended colder and snowier,

“The safety of our plungers is always No. 1 on our minds,” said Jeremy Davis, who helps run the annual Polar Bear Plunge at Seaside Heights for Special Olympics New Jersey. “If it dips below freezing and becomes too dangerous, we would certainly have to make alternate plans.”

Part of New Jersey could see a dusting of snow Thursday, but Sunday has more snow potential especially for the North Jersey region.

The National Weather Service has issued a hazardous weather outlook for New York and New Jersey on Thursday. Forecasters say there is a chance of afternoon snow showers

Snow will start falling between 11 a.m. and 1 p.m. in North Jersey and could begin as a brief wintery mix before turning to snow by early afternoon.

Temperatures are expected to hit single digits, with wind chills in the negatives, after a Jan. 19 storm dumps snow across much of New Jersey.