It's expected to be an intense week for parts of southern Ontario as frigid cold and tons of snow approach the area. Snow squall watches are currently in effect and 20 to 40 centimetres of snow is expected to hit the Huron-Perth area. Ontario weather is looking brutal this week, and winds will be travelling at around 60km/h. The snow squalls are expected to begin Tuesday night, December 17 and continue through to Wednesday, according to Environment Canada. Much of Ontario is under a snow squall watch right now, including Barrie-Orillia-Midland, Dufferin-Innisfil, Grey-Bruce, Huron-Perth, and Waterloo-Wellington. Most of the snow is expected to hit throughout the day on Wednesday, and by Thursday, we could be seeing that pile-up of snow Environment Canada announced.The fast winds of 60 km/h and up are going to be blowing snow all over the place. It is supposed to be a harsh few days. It should calm down by Thursday, although additional snow is still possible. A weather advisory is also in effect for southern Ontario right now, and there could be road closures in the next few days according to the forecast. The Niagara region is expected to be one of the first regions hit with snow this morning, according to the Weather Network. System snow mainly for ❄️Hamilton to Niagara ❄️ Some of that snow may affect parts of the GTA especially near Lake Ontario this morning (Dec17) then heads up for snow squalls tomorrow and it’s going to get colder! ❄️💨— Jill Taylor (@jilltaylor680) December 17, 2019 Precipitation won't be too bad this morning, with only about 5 centimetres expected. Moving into the evening and into Wednesday though, we will see it pick up. Whiteout conditions on the roads are also likely, as well as windchill conditions of between -10 C and -20 C, according to The Weather Network. The Weather Network It will feel even colder that evening, with windchill temperatures feeling like -25 C to -30 C. Tuesday's morning commute will see more snow across parts of southern Ontario, before squalls and bitter windchills sweep in.Meteorologist @50ShadesofVan has your latest forecast 👇 https://t.co/eNlFcJAhp9 #ONstorm pic.twitter.com/5y6tlj0AG2— The Weather Network (@weathernetwork) December 16, 2019 Public Safety Canada has actually advised people to postpone non-essential travel until conditions improve. The lake-effect snow and high windchills will make it a messy few days in southern Ontario, so gear up for some extremely cold temperatures and plenty of snow. You might not want to leave your house until just before the weekend when it's all expected to subside. From Thursday on, the weather is set to relax a little and the arctic air will calm down. It is forecasted to snow again on Saturday, and with conditions a little warmer, it may become wet, warns Weather Network Meteorologist Doug Gillham. There are stories everywhere. If you spot a newsworthy event in your city, send us a message, photo, or video @NarcityCanada on Twitter and Instagram. *Disclaimer: cover photo used for illustrative purposes only.