Srinagar, Dec. 20 -- Kashmir is likely to face a spell of wet weather, including moderate to heavy snowfall in the higher reaches, even as the night temperature improved slightly a day ahead of the onset of 'Chillai-Kalan' - the 40-day harsh winter period, officials said on Saturday.The local meteorological department has forecast a spell of wet weather on December 20-21, coinciding with the onset of 'Chillai-Kalan', which begins on December 21 every year and ends on January 31.Moderate to heavy snowfall is expected in the higher reaches of Kashmir, while light to moderate precipitation may affect the plains, the weather office said.Chances of snowfall are maximum and most frequent during this period, with temperatures dropping sharply ac...