Southern Ontario Braces for -18°C and Flurries Jan 05, 2025: Snowfall and Arctic Chill

Southern Ontario Braces for -18°C

Southern Ontario is gearing up for a frosty weekend as plunging temperatures and steady flurries dominate the forecast. From Mississauga to Durham, residents should prepare for a true taste of winter with bone-chilling winds, snowy skies, and icy conditions.


Cloudy Skies and Morning Flurries to Start Sunday

Early risers hoping to catch the 7:50 a.m. sunrise may be disappointed by thick overcast skies blanketing the region. While cities like Mississauga, Brampton, Halton, and Hamilton will wake up to cloudy conditions, Durham might see a mix of light flurries alongside the clouds.

Morning wind chills will intensify the cold, making it feel like -14°C in Mississauga, Brampton, and Hamilton, and -13°C in Halton and Durham. Brisk winds up to 40 km/h will add an extra bite to the air.

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Temperature Swings and Afternoon Snow

Daytime highs will vary throughout the morning but steadily decline as the day progresses:

  • Mississauga and Brampton: Starting at -1°C, dipping to -5°C
  • Halton: From -1°C to -3°C
  • Hamilton: Reaching -1°C before plunging to -9°C
  • Durham: Beginning at -3°C, falling to -8°C

Expect flurries to pick up by late morning, continuing through the afternoon and into the evening.


Evening Brings Brisk Winds and Icy Temperatures

As the sun sets at 4:51 p.m., the cold tightens its grip. Light winds of 15 km/h will dominate Mississauga, Brampton, and Durham, while Halton and Hamilton experience gustier conditions up to 20 km/h. Snowfall could make a return, particularly in Hamilton, Halton, and Durham, though specific accumulations remain uncertain.

By nightfall, temperatures will plummet:

  • Mississauga, Brampton, and Halton: Lows of -11°C (feels like -17°C)
  • Hamilton: -8°C
  • Durham: A frigid -13°C (feels like -18°C)

The Week Ahead: Subzero Days and Snowy Nights

Winter’s icy reign will continue through the week:

  • Monday to Thursday: A mix of clouds and sunny breaks with highs hovering between -1°C and -8°C.
  • Friday: Clouds take over, paving the way for another snowy system.

Overnight lows will remain bitterly cold, dropping between -10°C and -13°C.


Winter Precautions and Preparation Tips

With snow, freezing temperatures, and icy winds on the horizon, residents are encouraged to:

  • Dress in layers and cover exposed skin to combat wind chills.
  • Drive cautiously on slick roads and allow extra time for commutes.
  • Monitor weather updates for potential snowfall warnings or alerts.

Southern Ontario is firmly in winter’s grasp, so bundle up and stay safe as the season brings its full force!

About Sophie Wilson 751 Articles
Sophie Wilson is a finance professional with a strong academic background, having studied at the University of Toronto. Her expertise in finance is complemented by a solid foundation in analytical and strategic thinking, making her a valuable asset in the financial sector.

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