On the night to Tuesday temperatures are expected to fall to -3..-8 in the western regions and -9..-11 in the eastern regions. The coastal regions will be warmer, especially in Kurzeme at 0..-2. The whole week won't see much wind.
During the next week it'll be -9..-14 at night and -15..-18 at places; the day temperature will be -2..-7 degrees and about zero in the coastal regions.
On the weekend the temperatures will fall further with temperatures expected to hit -20 below.
According to the current forecasts, the freeze is set to go away on January 5 to January 7.
On New Year's eve the sky will be somewhat cloudy with some snow in the western regions. The air temperature will be about -9..-14 degrees and -4..-6 in the coastal regions.