Environment Canada has issued a rainfall warning for the Squamish, Howe Sound, North Shore, and Metro Vancouver communities of Coquitlam, Maple Ridge, as well as Bowen Island, and Gibsons.
Forecasters predict about 50 mm for most locations, with higher terrain possibly receiving more than 80 mm. The wet weather will be driven by an unseasonably moisture-laden frontal system moving across B.C. South Coast.
The warm front is expected to arrive Friday morning, bringing steady rain and strong southerly winds. A cold front will follow in the afternoon, likely producing the heaviest downpours during the peak of the afternoon commute.
Hazards and safety concerns for drivers and residents include:
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Poor visibility during heavy rain
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Water pooling on roads, heightening the risk of hydroplaning
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Rapid rises in creeks and rivers, potentially leading to flash flooding
On the Sunshine Coast, rain is expected to taper off by late Friday evening, while in eastern Metro Vancouver, showers will likely end after midnight.
The agency is advising outdoor enthusiasts and hikers to be cautious near rivers and streams, as heavy rain in mountain areas can quickly raise water levels. Motorists are urged to slow down, switch on headlights, and keep a safe distance from other vehicles during the heaviest showers.
