Officials estimate the Ottawa River will rise nearly a metre within the next few days, well above its peak during the 2017 flood that was at the time thought to have been a once-a-century event.
Ottawa declared a state of emergency on Thursday, with the most serious flooding so far is in villages along the Ottawa River outside the downtown core.
The municipality of Clarence-Rockland just east of Ottawa, as well as the towns of Bracebridge and Huntsville in the Muskoka region north of Toronto, have also declared states of emergency.
Doug Ford visited a flood zone outside of Ottawa yesterday to meet with homeowners and help fill some sandbags.
The premier called the situation ``absolutely heart-wrenching'' and said his government has told Ottawa the province will help with whatever is needed.
More than 400 troops have already been deployed in flood zones.