Key Takeaways
- A wintry mix is expected to hit southern Ontario in the second week of December, with snowfall and colder air moving in across the region.
- Light snow is expected in Mississauga, Brampton, Halton, and Hamilton, with flurries lingering into the early evening in some areas.
- Daytime highs will be around -1 C to -2 C, with wind chill values making it feel closer to -10 C to -11 C.
- Wind speeds will increase to 20 km/h gusting to 40 km/h across the region, with clear skies and plunging temperatures expected in the evening.
- Overnight temperatures will drop to as low as -16 C, with wind chills dipping as low as -18 to -25 C.
Introduction to the Weather Forecast
The second week of December is expected to begin with a wintry mix, as snowfall moves in across southern Ontario before colder air takes hold later in the day. This will likely disappoint those who were hoping to catch the 7:37 a.m. sunrise with a warm beverage in hand, as mainly cloudy skies and incoming snow will block most of the early-morning view. The snowfall is expected to start in the morning and taper off late in the afternoon, with varying amounts of snow expected in different areas.
Regional Weather Forecast
Mississauga, Brampton, and Halton will all see light snow beginning in the morning, with the snow tapering off late in the afternoon. Hamilton will experience a similar pattern, with flurries lingering into the early evening. In Durham, snow will arrive early in the morning, with 2 to 4 cm expected. Daytime highs will reach -1 C in Mississauga, Brampton, Halton, and Hamilton, while Durham will be slightly colder at -2 C. The wind chill values will make it feel closer to -10 C to -11 C through the day, making it feel much colder than the actual temperature.
Wind and Temperature Conditions
Wind speeds will increase to 20 km/h gusting to 40 km/h across Mississauga, Brampton, and Halton. Hamilton and Durham will also see windy conditions up to 40 km/h by early afternoon. The wind will make the cold air feel even colder, with wind chill values making it feel closer to -10 C to -11 C. As the day comes to a close, sunset will begin at 4:38 p.m., and skies will clear in the evening for Mississauga, Brampton, Halton, and Durham. However, this clearing of the skies will come with a cost, as temperatures will plunge overnight, dropping to as low as -16 C in some areas.
Overnight Temperatures and Wind Chills
Mississauga and Brampton will drop to -14 C, Halton to -15 C, Hamilton to -13 C, and Durham to a frigid -16 C. The overnight wind chills will dip as low as -18 to -25 C, making the cold especially harsh by Monday morning. This will be a significant drop in temperature, and residents are advised to take necessary precautions to stay warm and safe. The cold temperatures and wind chills will make it feel much colder than the actual temperature, and residents are advised to dress warmly and stay indoors if possible.
Conclusion and Final Thoughts
In conclusion, the second week of December is expected to start with a wintry mix, with snowfall and colder air moving in across southern Ontario. The snowfall and cold temperatures will make it feel much colder than the actual temperature, with wind chill values making it feel closer to -10 C to -11 C. Residents are advised to take necessary precautions to stay warm and safe, and to dress warmly when venturing outdoors. The cold temperatures and wind chills will make it a harsh start to the week, but with the right precautions, residents can stay safe and warm.