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Weather Information

Use this site to access weather information as layers on an interactive map. An alert table is available below for an alternative view of all active alerts. Learn more about the layers.

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Weather Alerts for Canada

This table displays all active alerts for Canada, with the ability to view alerts by province or territory and searching by alert name, alert type or forecast location.

Select a province, territory or national view

Result forOntarioNational view

Legend

Alert Levels

Warnings / AdvisoriesWatches
Red
Red
Orange
Orange
Yellow
Yellow
Statements
Grey
Weather
No Alerts in effect.
Showing 46 alerts
Ontario
Apsley - Woodview - Northern Peterborough County
Barrie - Collingwood - Hillsdale
Brockville - Prescott
Bruce Peninsula - Sauble Beach - Tobermory
Burlington - Oakville
City of Toronto
Cornwall - Lancaster
Dunnville - Caledonia - Haldimand
Yellow Warning
Goderich - Bluewater - Southern Huron County
Guelph - Erin - Southern Wellington County
Halton Hills - Milton
Hanover - Dundalk - Southern Grey County
Innisfil - New Tecumseth - Angus
Kaladar - Bannockburn - Bon Echo Park
Kitchener - Cambridge - Region of Waterloo
Lindsay - Southern Kawartha Lakes
Listowel - Milverton - Northern Perth County
Maxville - Alexandria
Merrickville-Wolford - Kemptville
Mississauga - Brampton
Morrisburg - Long Sault
Mount Forest - Arthur - Northern Wellington County
Newmarket - Georgina - Northern York Region
Niagara Falls - Welland - Southern Niagara Region
Yellow Warning
Orangeville - Grand Valley - Southern Dufferin County
Ottawa North - Kanata - Orléans
Ottawa South - Richmond - Metcalfe
Owen Sound - Blue Mountains - Northern Grey County
Peterborough City - Lakefield - Southern Peterborough County
Pickering - Oshawa - Southern Durham Region
Plevna - Sharbot Lake - Western Lanark County
Prescott and Russell
Saugeen Shores - Kincardine - Southern Bruce County
Shelburne - Mansfield - Northern Dufferin County
Simcoe - Delhi - Norfolk
Yellow Warning
Smiths Falls - Perth - Eastern Lanark County
St. Catharines - Grimsby - Northern Niagara Region
Yellow Warning
Stirling - Tweed - Madoc
Stratford - Mitchell - Southern Perth County
Tamworth - Sydenham - South Frontenac
Uxbridge - Beaverton - Northern Durham Region
Vaughan - Richmond Hill - Markham
Westport - Charleston Lake
Winchester - Newington
Wingham - Blyth - Northern Huron County

Weather

Latest hourly and 7-day weather forecasts for locations across Canada. Plus view local radar and satellite imagery.

Satellite

Jet Stream

Find your location

Alerts

Weather alerts 24/7 from Environment and Climate Change Canada, your authoritative source. Track lightning and hurricanes using our maps.

Hurricane

Marine

The latest alerts and forecasts for marine, sea state and ice conditions for regions across Canada.

Air Quality

Find the latest local air quality forecasts and information.

Analyses and Modelling

Access environmental analysis and model data for different time horizons and application areas as well as geospatial web services.

Past Weather

Canadians and weather sensitive economic sectors can access past weather data, climate normals, historical radar, and climate data.

About Weather

Learn about weather events, health, safety, forecasting tools and services.

Canadian Centre for Climate Services

The Canadian Centre for Climate Services provides Canadians with the information and support they need to understand and reduce the risks from climate change.

MSC Open data

The Meteorological Service of Canada makes weather, climate, water and environmental data available to the private sector, academics, and the general public.

Features

Colour-coded weather alerts

Learn more about weather alerting in Canada

Thunderstorm Outlooks

Find the Thunderstorm Outlook for your area.

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