From Environment Canada:
A rainfall warning is in effect for West Vancouver Island
Rain, at times heavy, is expected.
A moist Pacific frontal system will continue to bring heavy rain to the south coast tonight. West Vancouver Island will receive the heaviest amount with 90 to 120 mm expected by Saturday morning.
Heavy downpours can cause flash floods and water pooling on roads. Localized flooding in low-lying areas is possible.
Please continue to monitor alerts and forecasts issued by Environment Canada. To report severe weather, send an email to BCstorm@canada.ca or tweet reports using #BCStorm.