kišan

1. (of weather, time) rainy
   Sutra nas čeka još jedan kišan dan. — Another rainy day awaits us tomorrow.
   Ovo proleće je bilo baš kišno. — This spring was really rainy.
2. rain
   Na staklu su se videle kišne kapi. — Raindrops could be seen on the glass.
   Uzmi kišni mantil, napolju pljušti. — Take your raincoat, it's pouring outside.

In the sense "rain-" the definite form is usually used: kišni, kišna, kišno.