陰晴[insei] unsettled (fine and cloudy) weather
快晴[kaisei] clear weather
気晴し[kibarashi] recreation
見晴し[miharashi] view
見晴す[miharasu] to command a view

五月晴[satsukibare] early-summer fine weather (during rainy season)
晴らす[harasu] to dispel
晴れる[hareru] to clear up
晴間[harema] break (in the weather, esp. rain or snow)

雨混じりの雪[amemajirinoyuki] snow mingled with rain
花吹雪[hanafubuki] falling cherry blossoms
雪崩れる[nadareru] to slope
蛍雪の功[keisetsunokou] the fruit of diligent study
降雪[kousetsu] snowfall

豪雪[gousetsu] tremendous snowfall
細雪[sasameyuki] light snow fall
初雪[hatsuyuki] first snow (of season)
除雪[josetsu] snow removal
除雪車[josetsusha] snow-plow