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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 104 alerts
Ontario
Apsley - Woodview - Northern Peterborough County
Yellow Warning
Bancroft - Hastings Highlands - Denbigh
Yellow Warning
Barrie - Collingwood - Hillsdale
Barry's Bay - Killaloe
Yellow Warning
Bayfield Inlet - Dunchurch
Yellow Warning
Belleville - Quinte West - Eastern Northumberland County
Yellow Warning
Bracebridge - Gravenhurst
Yellow Warning
Brantford - County of Brant
Yellow Warning
Brockville - Prescott
Yellow Warning
Bruce Peninsula - Sauble Beach - Tobermory
Burlington - Oakville
Yellow Warning
Chatham-Kent - Rondeau Park
Yellow Warning
City of Hamilton
Yellow Warning
City of Toronto
Yellow Warning
Cobourg - Colborne - Western Northumberland County
Yellow Warning
Cornwall - Lancaster
Yellow Warning
Deep River - Whitney - Eastern Algonquin Park
Yellow Warning
Dunnville - Caledonia - Haldimand
Yellow Warning
Fenelon Falls - Balsam Lake Park - Northern Kawartha Lakes
Yellow Warning
Gananoque - Mallorytown
Yellow Warning
Goderich - Bluewater - Southern Huron County
Guelph - Erin - Southern Wellington County
Haliburton - Minden - Southern Haliburton County
Yellow Warning
Halton Hills - Milton
Yellow Warning
Hanover - Dundalk - Southern Grey County
Huntsville - Baysville
Yellow Warning
Innisfil - New Tecumseth - Angus
Kaladar - Bannockburn - Bon Echo Park
Yellow Warning
Kingston - Odessa - Frontenac Islands
Yellow Warning
Kitchener - Cambridge - Region of Waterloo
Lindsay - Southern Kawartha Lakes
Yellow Warning
Listowel - Milverton - Northern Perth County
London - Parkhill - Eastern Middlesex County
Maxville - Alexandria
Yellow Warning
Merrickville-Wolford - Kemptville
Yellow Warning
Midland - Coldwater - Orr Lake
Yellow Warning
Mississauga - Brampton
Yellow Warning
Morrisburg - Long Sault
Yellow Warning
Mount Forest - Arthur - Northern Wellington County
Napanee - Consecon
Yellow Warning
Newmarket - Georgina - Northern York Region
Yellow Warning
Niagara Falls - Welland - Southern Niagara Region
Orangeville - Grand Valley - Southern Dufferin County
Orillia - Lagoon City - Washago
Yellow Warning
Ottawa North - Kanata - Orléans
Yellow Warning
Ottawa South - Richmond - Metcalfe
Yellow Warning
Owen Sound - Blue Mountains - Northern Grey County
Oxtongue Lake - Fort Irwin - Northern Haliburton County
Yellow Warning
Petawawa - Pembroke - Cobden
Yellow Warning
Peterborough City - Lakefield - Southern Peterborough County
Yellow Warning
Pickering - Oshawa - Southern Durham Region
Yellow Warning
Picton - Sandbanks Park
Yellow Warning
Plevna - Sharbot Lake - Western Lanark County
Yellow Warning
Port Carling - Port Severn
Yellow Warning
Prescott and Russell
Yellow Warning
Renfrew - Arnprior - Calabogie
Yellow Warning
Rodney - Shedden - Western Elgin County
Sarnia - Petrolia - Western Lambton County
Yellow Warning
Saugeen Shores - Kincardine - Southern Bruce County
Shelburne - Mansfield - Northern Dufferin County
Simcoe - Delhi - Norfolk
Yellow Warning
Smiths Falls - Perth - Eastern Lanark County
Yellow Warning
South River - Burk's Falls
Yellow Warning
St. Catharines - Grimsby - Northern Niagara Region
St. Thomas - Aylmer - Eastern Elgin County
Stirling - Tweed - Madoc
Yellow Warning
Stratford - Mitchell - Southern Perth County
Strathroy - Komoka - Western Middlesex County
Tamworth - Sydenham - South Frontenac
Yellow Warning
Town of Parry Sound - Rosseau - Killbear Park
Yellow Warning
Uxbridge - Beaverton - Northern Durham Region
Yellow Warning
Vaughan - Richmond Hill - Markham
Yellow Warning
Watford - Pinery Park - Eastern Lambton County
Western Algonquin Park - Lake of Two Rivers
Yellow Warning
Westport - Charleston Lake
Yellow Warning
Winchester - Newington
Yellow Warning
Windsor - Leamington - Essex County
Yellow Warning
Wingham - Blyth - Northern Huron County
Woodstock - Tillsonburg - Oxford 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.

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.

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

New: Colour-coded weather alerts

Learn more about weather alerting in Canada

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