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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

Weather
No Alerts in effect.
Showing 75 alerts
Ontario
Algonquin
Deep River - Whitney - Eastern Algonquin Park
Bancroft - Bon Echo Park
Bancroft - Hastings Highlands - Denbigh
Kaladar - Bannockburn - Bon Echo Park
Barrie - Orillia - Midland
Barrie - Collingwood - Hillsdale
Midland - Coldwater - Orr Lake
Orillia - Lagoon City - Washago
Belleville - Quinte - Northumberland
Belleville - Quinte West - Eastern Northumberland County
Cobourg - Colborne - Western Northumberland County
Brockville - Leeds and Grenville
Brockville - Prescott
Gananoque - Mallorytown
Merrickville-Wolford - Kemptville
Westport - Charleston Lake
City of Hamilton
City of Ottawa
Ottawa North - Kanata - Orléans
Ottawa South - Richmond - Metcalfe
City of Toronto
Cornwall - Morrisburg
Cornwall - Lancaster
Maxville - Alexandria
Morrisburg - Long Sault
Winchester - Newington
Dufferin - Innisfil
Innisfil - New Tecumseth - Angus
Orangeville - Grand Valley - Southern Dufferin County
Shelburne - Mansfield - Northern Dufferin County
Dunnville - Caledonia - Haldimand
Elgin
Rodney - Shedden - Western Elgin County
St. Thomas - Aylmer - Eastern Elgin County
Grey - Bruce
Bruce Peninsula - Sauble Beach - Tobermory
Hanover - Dundalk - Southern Grey County
Owen Sound - Blue Mountains - Northern Grey County
Saugeen Shores - Kincardine - Southern Bruce County
Haliburton
Haliburton - Minden - Southern Haliburton County
Oxtongue Lake - Fort Irwin - Northern Haliburton County
Halton - Peel
Burlington - Oakville
Halton Hills - Milton
Mississauga - Brampton
Huron - Perth
Goderich - Bluewater - Southern Huron County
Listowel - Milverton - Northern Perth County
Stratford - Mitchell - Southern Perth County
Wingham - Blyth - Northern Huron County
Kingston - Prince Edward
Kingston - Odessa - Frontenac Islands
Napanee - Consecon
Picton - Sandbanks Park
London - Middlesex
London - Parkhill - Eastern Middlesex County
Strathroy - Komoka - Western Middlesex County
Niagara
Niagara Falls - Welland - Southern Niagara Region
St. Catharines - Grimsby - Northern Niagara Region
Oxford - Brant
Brantford - County of Brant
Woodstock - Tillsonburg - Oxford County
Parry Sound - Muskoka
Bracebridge - Gravenhurst
Port Carling - Port Severn
Peterborough - Kawartha Lakes
Apsley - Woodview - Northern Peterborough County
Fenelon Falls - Balsam Lake Park - Northern Kawartha Lakes
Lindsay - Southern Kawartha Lakes
Peterborough City - Lakefield - Southern Peterborough County
Prescott and Russell
Renfrew - Pembroke - Barry's Bay
Barry's Bay - Killaloe
Petawawa - Pembroke - Cobden
Renfrew - Arnprior - Calabogie
Sarnia - Lambton
Sarnia - Petrolia - Western Lambton County
Watford - Pinery Park - Eastern Lambton County
Simcoe - Delhi - Norfolk
Smiths Falls - Lanark - Sharbot Lake
Plevna - Sharbot Lake - Western Lanark County
Smiths Falls - Perth - Eastern Lanark County
Stirling - Tweed - South Frontenac
Stirling - Tweed - Madoc
Tamworth - Sydenham - South Frontenac
Waterloo - Wellington
Guelph - Erin - Southern Wellington County
Kitchener - Cambridge - Region of Waterloo
Mount Forest - Arthur - Northern Wellington County
Windsor - Essex - Chatham-Kent
Chatham-Kent - Rondeau Park
Windsor - Leamington - Essex County
York - Durham
Newmarket - Georgina - Northern York Region
Pickering - Oshawa - Southern Durham Region
Uxbridge - Beaverton - Northern Durham Region
Vaughan - Richmond Hill - Markham

Weather

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

Satellite

Jet Stream

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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.

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.

Features

New Predicting and Alerting Coastal Flooding Program

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

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