Tam says the number of people with severe cases of COVID-19 continues to increase with a daily average of more than 1,400 people being treated in hospitals over the past week.
Of today's 1,487 new cases, 392 are from Peel Region, 508 are from Toronto, and 170 are from York Region.
There are 992 more resolved cases.
In total, 479 people are hospitalized in Ontario due to COVID-19, including 118 in intensive care.
The province's overall death toll from COVID-19 stood at 3,332, with more than 2,100 of them occurring in long-term care homes.
Canada is rapidly approaching the 300,000 mark for total COVID-19 cases even as long-standing national virus hot spots record declines in their daily tallies.
Environment Canada issues wind warning for Toronto
Shortly after 4 p.m., Peel police said sheets of drywall were blowing on a Highway 401 westbound ramp from Hurontario Street. Winds will then shift to very strong southwesterlies with gusts of 90 to 110 km/h beginning this afternoon.
Where are the COVID-19 cases in Ontario? With a number of hospitals not reporting data over the weekend, as often happens, the true number of hospitalizations may be higher.
As of the last update, 2.4 per cent of COVID-19 tests in Ottawa are coming back positive, dipping below the 2.5 per cent threshold used to signal a region's readiness to move down to yellow on the province's pandemic alert scale.
There are now some 12,830 confirmed, actives cases of COVID-19 provincewide, also a record-high since the outbreak began in Ontario in January.
Manitoba reported its highest number of new deaths at 15 and 239 more cases on Saturday while Saskatchewan shattered its previous daily record by reporting 308 new cases.
Ottawa Public Health (OPH) says a staff member at Carlingview Manor has contracted COVID-19 - one of 51 new cases across the city.
Peel Region is already in the red zone and plans were announced earlier this week for Toronto to move into the red zone on the weekend.
Meanwhile, stricter public health measures come into effect in Hamilton, York and Halton regions today.