Leslie brought torrential rainfall and flooding to the autonomous communities of Andalusia, Catalonia, Castilla-La Mancha, the Balearic Islands, and Valencia. The storm caused at least 17 injuries across Spain. Heavy rainfall caused the Sió river to overflow in Catalonia. At least 45 landslides occurred in the region. Around 247 firefighters responded to over 1,000 emergency calls in Catalonia. In Castilla y León, winds downed trees and branches on roads in dozens of locations. The R1, R2, and R11 lines of the Rodalies de Catalunya and five roads, including the C-17 highway in Barcelona, were closed as a result of fallen trees. Girona and Barcelona experienced 14,000 power outages and 12 roads were impassable due to floodwaters; the latter forced the suspension of school transportation services for six municipalities. A gas station roof was blown off in the Malgrat del Mar neighborhood in Barcelona. Six people had to be evacuated from surrounding properties when a building collapsed in Tortosa. Over of rain fell in Montseny, and of rain fell in Viladrau. Strong winds caused a wall to collapse in Santo Ángel, forcing the closure of a road. The Albujón highway was closed in Cartagena, due to the storm. A fair was canceled in Avenida de Los Toreros after a tree fell and roofs of two stalls were ripped off. The Toledo Cathedral sustained damage to its cornice, with a piece falling off. A tunnel flooded in Beniaján, trapping a vehicle.
