The Finnish Meteorological Institute (FMI) has issued an extreme cold warning on Thursday in southern and western parts of the country.
According to the FMI, the low temperatures can pose a danger to those participating in outdoor activities. In addition, people suffering from various chronic illnesses may be more symptomatic than usual.
The weather will be cold throughout the country on Thursday, but winds in the south and west will increase the effects of the bone-chilling weather.
On Friday, a high pressure system will move over Finland and winds are expected to weaken.
However, according to Yle's weather forecast, the coldest temperatures of this winter are expected across the country over the weekend. The lowest readings in the north are expected to drop to around -30 degrees Celsius and in the south to about -20 degrees.