Road not repaired in storm (7)
I believe the answer is:
tornado
'storm' is the definition.
(type of weather)
'road not repaired' is the wordplay.
'repaired' indicates an anagram.
'road'+'not'='roadnot'
'roadnot' with letters rearranged gives 'TORNADO'.
'in' is the link.
(Other definitions for tornado that I've seen before include "Type of cyclone" , "Violent whirlwind over land" , "Violent whirling wind" , "Windy hazard" , "Violent twister" .)