Rainfall Starting to Let Up Across Fraser Valley
After days of heavy rainfall triggered by an atmospheric river system, officials report that the worst of the rain in the Fraser Valley is easing. This offers some relief for communities facing flooding and transportation disruptions. The Emergency Management Ministry released an update late Wednesday night outlining the situation.
Nooksack River Expected to Peak Then Decline
The Nooksack River, which flows from Washington State into the region and can drive flood risks along the border and into B.C., rose above its banks earlier in the day. Officials said the river was expected to reach its highest point around 10 p.m. Wednesday and remain elevated until the early morning hours of Thursday. After that window the river’s flow should begin to recede.
Connie Chapman, executive director of water management, noted that the volume of water released from the Nooksack is similar to levels seen in major previous flood events such as those in 1990 and 2021, but the final impacts depend on many factors including how long peak flows persist and how soil and local watersheds absorb the water.
Flood Risks and Road Impacts Remain Despite Rain Easing
Even as rainfall lessens, caution is still advised. Environment Canada and the B.C. River Forecast Centre have issued flood watches and warnings for much of the Fraser Valley due to the risk of rivers topping banks and water moving into low-lying areas. Nearby cities like Chilliwack, Abbotsford and Hope have reported rising water and local flooding concerns.
Highways were closed in some areas due to flooding and landslides, and travel advisories urged drivers to avoid moving through flood-affected regions unless necessary. Officials said road conditions could remain hazardous as water levels rise and fall.
What to Expect in the Next Day
Officials are watching the situation closely as flows peak overnight and begin to fall by late morning on Thursday. While cooler, less rainy conditions could bring some relief, key rivers including the Nooksack will still require monitoring, especially in border communities where cross-border water levels influence downstream conditions.
Communities and emergency services remain on alert, with sandbag stations and local flood plans activated in spots where water has already approached property or infrastructure. Residents are encouraged to stay informed through official updates and avoid flooded areas.
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