godan verb (-ru), intransitive verb
Used for rain, snow, ash, hail, and other precipitation. The subject is the thing falling, marked with が.
明日は雨が降るでしょう。
It will probably rain tomorrow.
火山灰が街に降った。
Volcanic ash fell on the town.
godan verb (-ru), intransitive verb
beam down; pour in
Describes sunlight or moonlight shining down, often with a sense of flooding an area. Common with 日差し or 月明かり.
窓から日差しが降り注いでいる。
Sunlight is pouring in through the window.
godan verb (-ru), intransitive verb
Metaphorical use for luck, misfortune, opportunity, or fate arriving. Often paired with abstract nouns like 幸運 or 災難.
彼に突然幸運が降ってきた。
Good luck suddenly came his way.
思いがけない災難が我が家に降りかかった。
An unexpected misfortune befell our family.