Troyes is situated in the Aube department, one of three in the Champagne-Ardenne region in north-central France issued with a weather warning by the national meteorological service on Tuesday.
The rearranged fixture would be played on May 14, the French football federation added.
The other semi-final between Evian Thonon Gaillard and Lorient is expected to go ahead as scheduled on Wednesday.
- Natural Phenomena
- Evian Thonon Gaillard