noun
light snowfall; thin covering of snow
Refers to a small amount of snow that has fallen or is falling, often just enough to lightly cover the ground.
朝起きると、庭に薄雪が積もっていた。
When I woke up in the morning, a light snow had fallen in the garden.
昨夜は薄雪がちらついただけだった。
Last night there was only a light flurry of snow.
Compound of 薄 (usu, 'thin, light') and 雪 (yuki, 'snow'). The reading うすゆき follows standard rendaku rules.