Environment Canada has issued a rainfall warning for Howe Sound.
Rain, at times heavy, is expected, with an intense low pressure system with subtropical moisture expected to bring heavy rain to the Fraser Valley, Howe Sound, Gibsons and parts of Metro Vancouver tonight through to Saturday.
The warm front associated with this system will move through the area tonight bringing rain, at times heavy. For Metro Vancouver, Bowen Island and Gibsons, there will be a break Friday afternoon as the warm front lifts north towards Squamish.
The cold front associated with this system will return Friday night with another round of heavy rain that will last through to Saturday midday.
Total rainfall amounts for these events will be near 60 to 120 mm for the Fraser Valley, 130 mm for Howe Sound, 80 mm for Gibsons and up to 100 mm for parts of Metro Vancouver.
Heavy downpours can cause flash floods and water pooling on roads. Localized flooding in low-lying areas is possible. Watch for possible washouts near rivers, creeks and culverts.