More than 400 FortisBC customers are without power along Highway 33 between Carmi and Westbridge.
The power went out at about 1:30 p.m. and the cause of the outage is unknown.
FortisBC is reporting the estimated time of power being restored is 8 p.m.
A wind warning was issued for the South Okanagan earlier in the day, with forecasted wind gusts of between 70 and 80 km/hr.