On Wednesday there will be a sudden change in the weather, with rain, snow, gale force winds and temperature drop.
Specifically, according to the prognosis of the CMH, while Monday and Tuesday will continue the unexpected "Summer", from Wednesday will be a rapid change of weather, snow initially in the central of Athens and northern highlands and by the evening and the other continental mountain and in hilly areas of northern and probably the central country.
The winds will blow northeast 5-7 Beaufort and gradually to the east locally 8 Beaufort. The temperature will record a fall in the central and north, while there will be local frost at night and early in the morning in the central and northern mainland.
On Thursday, New Year's Eve, there will be bad weather in much of the country with sleet in places, snow in mountainous and hilly and probably in pedones areas of central Athens and northern Greece. The winds will blow northeast 5-7 locally 8 Beaufort. New drop will record the temperature while there will be frost in places at night and early morning.
Last Friday, the day of New Year, there will be overcast with local snowfall probability patients mainly in Macedonia. In other areas there will be overcast with sleet in places, snow in mountainous and semi-mountainous and lowland areas of central Greece. The winds will blow from northern directions, west 4-5 and east of 5-7 Beaufort. The temperature will record slight further decline, while locally the night there will be frost.