“A very sharp cold snap, a cold collapse is simple, it will be on January 6,” Vilfand is quoted by TASS.

According to him, on January 8, the air temperature will drop to -29 °C.

He noted that this would be the coldest five-day period in the last 23 years.

Earlier, Tatyana Pozdnyakova, a specialist at the Meteonovosti information portal, warned Muscovites about a cyclone during the New Year holidays.