Between 60 and 90 millimetres of rain is forecast for most regions, except up to 120 millimetres over the northern sections of Metro Vancouver, including the North Shore mountains and Pitt Meadows. Squamish could see up to 150 millimetres, according to the rainfall warning posted Wednesday morning. The agency warns elevated freezing levels and snowmelt may contribute to increased runoff. The rain is expected to taper off tonight.