A special weather statement is in place for the region.
Rain is expected all day for Huron, Perth, Wellington, and southern areas of Bruce and Grey, and that means rain could be heavy at times with flooding possible in low lying areas. There could 25 to 40 mm of rain through the day.
For the Bruce Peninsula and northern Grey County, rain is expected all day with strong winds with gusts up to 70 km/h possible.
The temperature will hold steady at around 7 degrees.
The rain is expected to taper off Monday evening.