Created about awful rain — it's wet in the kitchen! (8)
I believe the answer is:
marinade
'wet in the kitchen' is the definition.
(to marinade is to soak or wet when cooking)
'created about awful rain' is the wordplay.
'created' becomes 'made' ('make' can be a synonym of 'create').
'about' indicates putting letters inside.
'awful' indicates an anagram.
'rain' with letters rearranged gives 'rina'.
'made' placed around 'rina' is 'MARINADE'.
'it's' acts as a link.
(Other definitions for marinade that I've seen before include "Mixture for soaking food before cooking" , "spicy sauce" , "Mixtures used for soaking foods before cooking" , "Soak food before cooking" , "Mixture for soaking meat before cooking" .)