Dozens have died as temperatures plummet to levels not seen for more than half a century.
Thousands of migrants are struggling to seek refuge from the bitter chill.
In a country where scores have been killed at the hands of terrrorists, there's now more tragedy for Turkey to deal with.
A snow-laden canopy collapses during an Istanbul funeral, leaving at least one dead and more than 10 injured.
This witness blames the management of the mosque for the disaster.
"We came here for a funeral and all canopies were covered with at least 1.5 metres of snow and the canopies sagged at least two metres. They didn't let anyone there before the funeral ceremony. We did not expect to be let in but they took us there although they knew this would happen."
The latest casualties come as temperatures across central and south-eastern Europe plunge below minus-30 degrees Celsius.
Thousands have been trapped by heavy snow, including migrant and asylum-seeker families in overcrowded makeshift shelters, ill-equipped to cope with the big freeze.
Outside the Serbian capital, Belgrade, aid groups provide food for hundreds of migrants occupying an abandoned customs warehouse.
Huddled in a tent with two others, migrant Muhammed Yusif Navid says no-one can sleep at night because of the cold.
"I haven't seen this kind of place in my dreams. This situation is too bad and the weather is too cold. I have this kind of place and there you can see, we sleep in there, three people. But tonight I did not sleep for one hour. All the peope, the weather is too cold and I wish that one day the border be open and all the boys go to their aims."
Migrant Mahmoud, from Afghanistan, says he has no choice.
"We are too much cold. it is 16-17 plus, minus here and you see my position. I sleep in a very bad position and where is there to go? Border is closed. I tried, six, seven times (to cross) but was returned. We want peace."
And while youngsters in a camp in the Greek town of Ritsona enjoy the novelty of snow they've never seen before ....
Parents - like Syrian migrant Rostam - fear for their future.
"It's very cold for children, very cold you see, yes, it's not like Syria or another country, here, outside of the city and we haven't a city near."
Elsewere around Serbia, a state of emergency has been declared in eleven municipalities.
Shipping has been halted in parts of Europe's great Danube River because of dangerous floating ice.
Dozens of deaths from the cold have been reported across several countries, including Poland, Bosnia, Russia and Italy.
Sitting at 1200 metres above sea level, the Sicilian town of Troina has been isolated for almost a week by heavy snowfalls.
Mayor Fabio Venezia is calling in the army to help the town's stranded 10,000 residents.
"There are people who have been blocked in there for five days. Also in the countryside, some of the farms are going through a hard time. Animals are dying, we are trying to bring food and water to cattle in many of the isolated farms."
And across the northern hemisphere in the United States, harsh winter conditions have also caused chaos.
Cars are struggling to stay on icy roads - one sport utility vehicle in North Carolina slid down a driveway, through a garage and smashing through the ice into a backyard pool.
