A woman has died after a vehicle submerged into Lake Ontario in Toronto's east end. CBC’s Clara Pasieka breaks down what we know so far about the ongoing investigation.

Plenty of snow is on the way as bitterly cold temperatures spawn snow squalls off the still-unfrozen lakes across Ontario. Snow squall watches and warnings are in effect for some regions. Parts of southern Ontario may see more than 30 cm of accumulation from this latest lake-effect snowfall event through Wednesday.

Toronto police say one person has died after a vehicle went into the water at Ashbridges Bay in Toronto on Sunday night. Police say emergency crews responded at 9:30 p.m. to an area south of Lake Shore Boulevard East and Lower Coxwell Avenue for reports of a vehicle submerged in the lake.

More than 650,000 people in New York and parts of Pennsylvania remain under Lake-Effect Snow Warnings after 14-24 inches of snow already blanketed parts of the region.

Lake effect snow can pack a wintery punch and dump a lot of snow, quickly in intense snow bands that sweep through. Here’s an explainer on what lake effect snow is and who gets hit with it in Ontario

Temperatures will continue their downward trends for the remainder of Sunday. Snow showers are expected to move their way into the area come the evening hours. Wind chills will make temperatures feel close to 0 degrees.

TUESDAY: A breezy wind brings dangerously cold wind chills (-15 to -5) in the morning could impact schools and daycares. Temperatures remain very cold and it will be breezy. Heavy lake snow continues across the Tug Hill region but is partly sunny and dry in CNY. High: 12. Low: -3.

Snow squall warnings still ongoing across parts of Ontario, with local accumulations possibly reaching 40 cm. Bursts of snow will also continue to reach the Greater Toronto Area at times

ROCHESTER, NY (WROC) – Lake effect bands have formed off of Lake Ontario and Lake Erie. This will continue into the evening hours tonight. A Lake Effect Snow Warning is in effect for both Genesee and Wyoming Counties. The warning will last through 4am ...

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Toronto Police continue to investigate at #AshbridgesBay where a car plunged in the water at the boat launch ramp. A woman has died as a result. Four police officers went in to try and rescue the woman and the man around 9:30 pm Sunday night … pic.twitter.com/LPsunEwrgI

This includes counties of Chautauqua, Cattaraugus, Erie, Niagara, Orleans, Genesee, Wyoming, Allegany, Jefferson, Lewis, Oswego, and Oneida.