Canada’s weather warnings have changed to a new colour-coded, risk-tiered system implemented by Environment and Climate Change Canada. The three alert levels — yellow, orange and red — are based on the potential impacts of a weather event and the forecast confidence.
New colour-coded, tier-based warnings will change how weather messaging is delivered
Ryan Snoddon · CBC News
· Posted: Nov 26, 2025 1:30 PM EST | Last Updated: 3 hours ago
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How Environment Canada’s new weather warning system works
Starting today, Environment and Climate Change Canada has changed the way it classifies its weather warnings. CBC Meteorologist Ryan Snoddon explains it’s all about risk and impact.
Environment and Climate Change Canada has changed its weather warning system across the country.
General watches and warnings are being replaced with a colour-coded, risk-tiered system so you have a better idea how the forecast will impact you and how you should prepare.
The changes align with recommendations from the World Meteorological Association and follow updates already implemented by 31 weather agencies across Europe.
The new risk-tiered system includes three different colours: yellow, orange and red. (Environment and Climate Change Canada)
Environment and Climate Change Canada will continue to issue the types of warnings you normally see throughout the course of the year,
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