Blowing snow and flurries are in the forecast Thursday, prompting Environment Canada to warn drivers of slippery conditions.

The City of Toronto has also issued an extreme cold weather alert.

Dropping temperatures and scattered rain showers are expected across Toronto in the afternoon and into the evening. This could cause roads to become icy.

Temperatures will drop rapidly from 9 C on Thursday afternoon to -10 C overnight when there will be wind coming from the northwest at 50 km/h.

Dr. Barbara Yaffe, Toronto's acting Medical Officer of Health, issued the cold weather alert today because of the sudden temperature change and a projected wind chill of -18.

Those most at risk of cold-related illness, such as hypothermia and frostbite, are people experiencing homelessness or those who work outdoors, according to Toronto Public Health (TPH).

TPH says Torontonians are encouraged to call 3-1-1 if someone is found on the street and needs assistance.

Toronto police are also warning drivers of a flash-freeze during the afternoon rushhour and they’re asking commuters to reduce speed on bridges, overpasses and expressways.

Police are also suggesting that drivers ensure their windshield washer is full, clear snow thoroughly off vehicles before driving and get tires checked and changed if needed.

Toronto will get at least 2 cm of snow, the weather agency says.

Friday’s high of -1 C might feel a lot warmer than the previous day, but a 40 per cent chance of flurries will ensure that snow stays on the ground. The weekend isn’t going to be much better – Environment Canada says Saturday could see a 30 per cent chance of flurries, while Sunday might see either rain or flurries.

Single-digit highs are in the forecast for next week, as well as a mix of sun-and-cloud and (for the moment) no apparent risk of flurries. However, overnight lows will dip below 0 C, meaning winter is, in fact, coming.

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