Image: City of Chilliwack / Environment and Climate Change Canada is forecasting a "prolonged wet pattern" in Chilliwack from Sunday, December 14, to Tuesday, December 16.

By Alyssa Conti

PROLONGED WET PATTERN

Chilliwack expects localized floods, increased risk of debris slides ahead of upcoming rainfall

Dec 13, 2025 | 11:04 AM

CHILLIWACK — The City of Chilliwack is gearing up for a “prolonged wet pattern” at the start of the week after the latest forecast from Environment Canada.

From Sunday, December 14, to Tuesday, December 16, weather authorities expect snowmelt at higher elevations to run off into local rivers, potentially causing localized flooding and increasing the risk of debris slides due to oversaturated ground.

“City staff will continue to monitor river levels, and crews will continue to respond to weather-related events throughout the weekend,” wrote the City of Chilliwack.

“Staff remain in close communication with the City of Abbotsford and the Fraser Valley Regional District about conditions that may impact Chilliwack.”

Vedder River is also expected to rise with upcoming rain, but forecasts indicate lower flows in the coming days than on Wednesday night.

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Chilliwack Airport reported 110 millimetres of rain that evening, along with Cultus Lake seeing 125 millimetres and Agassiz experiencing 103.