Environment Canada says weather conditions are favourable for severe thunderstorms that could create wind gusts, hail and heavy rain.

National weather agency says an easterly system could produce 25 to 40 mm of rain through to Thursday evening.

“We are recommending that people try to limit their travel during this intense storm event."

A frontal system will move across Southern B.C. starting Friday night through Saturday morning.

Trans Mountain has filed a six-month construction schedule with the National Energy Board for the expansion of the pipeline.