cloud    igicu
(small) agacu
En-En dictionary 
agacu (udu-  7  class 7
singular: aka-,aga-
plural: utu-,udu-
  
small cloud
gukāmba (-kāmvye)     v    1. to begin to get wrinkled (with age), 2. to be clouded (eyes)
igicu (ibi-)     4  class 4
singular: iki-,ic-
plural: ibi-,ivy-
  
cloud
urufūri   6  class 6
singular: uru-
  
bad weather (cloudy but not rainy)
clouded    (to be, eyes) gukāmba
En-En dictionary 
weather    (severe cold) igikonyozi
(cloudy but not rainy) urufuri
(to be cool) gupfuka
(to turn bad suddenly) gufurūngana
En-En dictionary