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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

No Alerts in effect.
Showing 51 alerts
Atikokan - Shebandowan - Quetico Park
Brockville - Prescott
Burlington - Oakville
Chatham-Kent - Rondeau Park
City of Hamilton
City of Toronto
Cornwall - Lancaster
Fort Hope - Lansdowne House - Ogoki
Gananoque - Mallorytown
Halton Hills - Milton
Kakabeka Falls - Whitefish Lake - Arrow Lake
Kirkland Lake - Englehart
Little Abitibi - Kesagami Lake
London - Parkhill - Eastern Middlesex County
Maxville - Alexandria
Merrickville-Wolford - Kemptville
Mississauga - Brampton
Morrisburg - Long Sault
Newmarket - Georgina - Northern York Region
Niagara Falls - Welland - Southern Niagara Region
North Bay - Powassan - Mattawa
Ottawa North - Kanata - Orléans
Ottawa South - Richmond - Metcalfe
Petawawa - Pembroke - Cobden
Pickering - Oshawa - Southern Durham Region
Prescott and Russell
Renfrew - Arnprior - Calabogie
Rodney - Shedden - Western Elgin County
Sarnia - Petrolia - Western Lambton County
Smiths Falls - Perth - Eastern Lanark County
St. Catharines - Grimsby - Northern Niagara Region
St. Thomas - Aylmer - Eastern Elgin County
Strathroy - Komoka - Western Middlesex County
Temiskaming Shores - Temagami
Timmins - Cochrane - Iroquois Falls
Uxbridge - Beaverton - Northern Durham Region
Vaughan - Richmond Hill - Markham
Watford - Pinery Park - Eastern Lambton County
West Nipissing - French River
Westport - Charleston Lake
Winchester - Newington
Windsor - Leamington - Essex County


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


Jet Stream

Use Current Location


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



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.

Weatheradio stations

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.


New Predicting and Alerting Coastal Flooding Program

Find out about coastal flooding coverage, forecasts and warnings in your region

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