Montreal
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Montreal, Canada
Click any image to view larger versionPast Weather Alerts
5 of 94air quality
High concentrations of pollutants are expected this evening, which will result in poor air quality, ...
snow squall
Snow squalls and difficult travel conditions. What: Heavy flurries with local blowing snow may give...
freezing rain
Ice storm continues this morning. What: Freezing rain leading to icy surfaces. Ice accretion or b...
freezing rain
### Roads and walkways will likely become icy and slippery. Travel will likely be hazardous and som...
freezing rain
Freezing rain is no longer expected. ###
Past Weather Alerts for Montreal
air quality
High concentrations of pollutants are expected this evening, which will result in poor air quality, especially in urban areas where pollutant emissions are more significant. ### Smog especially affects asthmatic children and people with respiratory ailments or heart disease. It is therefore recommended that these individuals avoid intense physical activity outdoors until the smog warning is lifted. In Quebec, wood heating is the main source of fine particles that contribute to smog during winter. This activity generates the largest number of these particulates, more than industrial activities and transportation. Please consult your municipality's website to find out if there are any rules governing the use of wood-burning stoves or fireplaces in your community. Additional information: To learn more about the Info-Smog program, go to Environment Canada’s website at https://www.canada.ca/en/environment-climate-change/services/info-smog.html. For air quality indexes in Quebec, visit the website of the Ministère de l'Environnement et de la Lutte contre les changements climatiques at https://www.iqa.environnement.gouv.qc.ca/contenu/index_en.asp. For the air quality index in Montréal, visit the Réseau de surveillance de la qualité de l’air de la Ville de Montréal’s website at https://montreal.ca/en/topics/air-quality. To learn more about the effects of smog on your health in Québec, visit the Ministère de la Santé et des Services sociaux’s website at https://www.quebec.ca/en/health. You can also visit the Direction régionale de santé publique de Montréal at https://santemontreal.qc.ca/en/public/. Please continue to monitor alerts and forecasts issued by Environment Canada.
snow squall
Snow squalls and difficult travel conditions. What: Heavy flurries with local blowing snow may give near zero visibilities. Snowfall amounts could reach above 5 centimetres over a short period of time. When: from Thursday morning to Thursday evening. Where: Southern and Central Quebec Additional information: Snow squalls are producing highly variable weather conditions. Conditions often go from clear skies to an area of heavy snow in just a few kilometres. Visibilities may suddenly be reduced to almost zero at times in heavy snow. Rapidly accumulating snow could further complicate travel. Rush hour traffic may be affected in the morning and evening. ### Snow squall watches are issued when localized, intense snowfall causing rapid accumulation and/or reduced visibility is possible. Please continue to monitor alerts and forecasts issued by Environment Canada. To report severe weather, send an email to QCstorm@ec.gc.ca or post reports on X using #QCStorm. For more information about the alerting program, please visit: https://www.canada.ca/en/services/environment/weather/severeweather/weather-alerts/colour-coded-alerts.
freezing rain
Ice storm continues this morning. What: Freezing rain leading to icy surfaces. Ice accretion or build-up of 15 to 20 mm on some surfaces. When: Continuing into this morning. Additional information: Periods of freezing rain are expected to taper to patchy freezing drizzle or drizzle this morning before changing to flurries this afternoon. ### Roads and walkways will likely become icy and slippery. Travel will likely be hazardous and some routes will likely be impassable. There may be a significant impact on rush hour traffic. Prolonged utility outages are likely. Please continue to monitor alerts and forecasts issued by Environment Canada. To report severe weather, send an email to ONstorm@ec.gc.ca or post reports on X using #ONStorm. For more information about the alerting program, please visit: https://www.canada.ca/en/services/environment/weather/severeweather/weather-alerts/colour-coded-alerts.
freezing rain
### Roads and walkways will likely become icy and slippery. Travel will likely be hazardous and some routes will likely be impassable. There may be a significant impact on rush hour traffic. Prolonged utility outages are likely. Please continue to monitor alerts and forecasts issued by Environment Canada. To report severe weather, send an email to ONstorm@ec.gc.ca or post reports on X using #ONStorm. For more information about the alerting program, please visit: https://www.canada.ca/en/services/environment/weather/severeweather/weather-alerts/colour-coded-alerts.
freezing rain
Freezing rain is no longer expected. ###
freezing rain
Freezing rain on Monday What: A prolonged period of freezing rain with ice pellets When: Beginning overnight Sunday night and ending Monday late in the day. Where: Outaouais, Laurentians, Lanaudière, Greater Montreal, Montérégie and the Eastern Townships. Additional information: Ice accretion amounts of 5 to 15 millimetres are expected. ### Roads and walkways will likely become icy and slippery. There may be a significant impact on rush hour traffic. Prolonged utility outages are likely. Please continue to monitor alerts and forecasts issued by Environment Canada. To report severe weather, send an email to QCstorm@ec.gc.ca or post reports on X using #QCStorm. For more information about the alerting program, please visit: https://www.canada.ca/en/services/environment/weather/severeweather/weather-alerts/colour-coded-alerts.
snow squall
What: Possibility of heavy flurries with winds gusting up to 80 kilometers per hour and blowing snow reducing visibilities to near zero. When: From late tonight until Sunday morning. Additional information: As a strong cold front moves through, snow squalls could develop and suddenly reduce visibilities. ### Snow squall watches are issued when localized, intense snowfall causing rapid accumulation and/or reduced visibility is possible. Please continue to monitor alerts and forecasts issued by Environment Canada. To report severe weather, send an email to QCstorm@ec.gc.ca or post reports on X using #QCStorm. For more information about the alerting program, please visit: https://www.canada.ca/en/services/environment/weather/severeweather/weather-alerts/colour-coded-alerts.
wind
Strong winds that may cause damage are expected. What: Southwesterly wind gusting up to 90 kilometres per hour. When: Friday afternoon and Friday evening. Where: Greater Montreal Area, Drummondville, Bois-Francs. Additional information: Winds will gradually ease overnight Friday night. ### Local utility outages are possible. Please continue to monitor alerts and forecasts issued by Environment Canada. To report severe weather, send an email to QCstorm@ec.gc.ca or post reports on X using #QCStorm. For more information about the alerting program, please visit: https://www.canada.ca/en/services/environment/weather/severeweather/weather-alerts/colour-coded-alerts.
weather
Winter weather travel advisory in effect. What: Potentially difficult road conditions due to blowing snow and accumulating snow on roads. When: Tonight. Additional information: Winds gusting up to 60 kilometres per hour will whip up the snow from the ground and give blowing snow, mainly on exposed roads. Low visibilities are expected at times. Winds may also produce snowdrifts and local snowfall accumulations. ### Poor weather conditions may contribute to transportation delays. Surfaces such as highways, roads, walkways and parking lots may become icy and slippery. Please continue to monitor alerts and forecasts issued by Environment Canada. To report severe weather, send an email to QCstorm@ec.gc.ca or post reports on X using #QCStorm. For more information about the alerting program, please visit: https://www.canada.ca/en/services/environment/weather/severeweather/weather-alerts/colour-coded-alerts.
weather
Winter weather travel advisory in effect. What: Potentially difficult road conditions due to blowing snow and accumulating snow on roads. When: Tonight. Additional information: Wind gusts of up to 60 kilometres per hour will whip up the snow from the ground and cause blowing snow, mainly on roads exposed to the winds. Visibilities will be low at times. Winds may also produce snowdrifts and local snowfall accumulations. ### Poor weather conditions may contribute to transportation delays. Surfaces such as highways, roads, walkways and parking lots may become icy and slippery. Please continue to monitor alerts and forecasts issued by Environment Canada. To report severe weather, send an email to QCstorm@ec.gc.ca or post reports on X using #QCStorm. For more information about the alerting program, please visit: https://www.canada.ca/en/services/environment/weather/severeweather/weather-alerts/colour-coded-alerts.
snowfall
What: 15 to 20 centimetres of snow. When: Until Thursday evening. Where: Greater Montreal Area Additional information: On Thursday, strong winds will cause blowing snow, locally reducing visibilities. ### Travel will likely be challenging. There may be a significant impact on rush hour traffic. Visibility will likely be reduced at times. Snowfall warnings are issued when significant impacts are expected due to snowfall accumulations. Please continue to monitor alerts and forecasts issued by Environment Canada. To report severe weather, send an email to QCstorm@ec.gc.ca or post reports on X using #QCStorm. For more information about the alerting program, please visit: https://www.canada.ca/en/services/environment/weather/severeweather/weather-alerts/colour-coded-alerts.
snowfall
What: Snowfall amounts of 15 to 20 centimetres are expected. When: From Wednesday morning through Thursday evening. Where: Greater Montreal, the Ottawa Valley and the Laurentians. ### Travel will likely be challenging. There may be a significant impact on rush hour traffic. Visibility will likely be reduced at times. Please continue to monitor alerts and forecasts issued by Environment Canada. To report severe weather, send an email to QCstorm@ec.gc.ca or post reports on X using #QCStorm. For more information about the alerting program, please visit: https://www.canada.ca/en/services/environment/weather/severeweather/weather-alerts/colour-coded-alerts.
snow squall
### Snow squall watches are issued when localized, intense snowfall causing rapid accumulation and/or reduced visibility is possible. Please continue to monitor alerts and forecasts issued by Environment Canada. To report severe weather, send an email to QCstorm@ec.gc.ca or post reports on X using #QCStorm. For more information about the alerting program, please visit: https://www.canada.ca/en/services/environment/weather/severeweather/weather-alerts/colour-coded-alerts.
freezing rain
A period of freezing rain this morning. What: Freezing rain or freezing drizzle. Light ice accumulation is possible on some surfaces. When: This morning. Additional information: A period of freezing rain which may be mixed with ice pellets or snow at times will be followed by freezing drizzle this morning. Temperatures will gradually rise above the freezing mark later this morning. ### Roads and walkways will likely become icy and slippery. Icy surfaces could be difficult to detect. Please continue to monitor alerts and forecasts issued by Environment Canada. To report severe weather, send an email to ONstorm@ec.gc.ca or post reports on X using #ONStorm.
fog
Near zero visibility in fog is expected. Locally dense fog occurring What: visibilities will be significantly reduced in fog. When: overnight tonight into Friday morning. Where: Southern Quebec. Additional information: Surfaces may become icy locally with temperatures below the freezing mark. ### Visibility will likely be suddenly reduced at times. Please continue to monitor alerts and forecasts issued by Environment Canada. To report severe weather, send an email to QCstorm@ec.gc.ca or post reports on X using #QCStorm.
fog
Areas of dense fog are expected early this morning. ### Visibility will likely be suddenly reduced at times. Please continue to monitor alerts and forecasts issued by Environment Canada. To report severe weather, send an email to ONstorm@ec.gc.ca or post reports on X using #ONStorm.
Test Message
This system is used to warn Ontario residents of serious and immediate threats to their lives and safety. In case of an actual emergency we will use this system to share valuable information about what the threat is, where it is happening, and what you can do to protect yourselves and your families from that threat.
freezing rain
Mixed precipitation expected over the island of Montreal. What: An amount of 2 to 5 millimetres of freezing rain is expected mainly over Laval and the eastern section of the island of Montreal. When: Tonight. Additional information: The snow level will split Greater Montreal in two. The west end of Montreal may receive a mix of freezing rain and rain. Freezing rain will change to snow overnight. A snowfall amount of nearly 5 centimetres could be expected by Sunday morning. ### Roads and walkways will likely become icy and slippery. Please continue to monitor alerts and forecasts issued by Environment Canada. To report severe weather, send an email to QCstorm@ec.gc.ca or post reports on X using #QCStorm.
weather
Freezing rain for the weekend What: Up to 10 millimetres of ice accretion When: Saturday evening into Sunday morning Where: Ottawa Valley, Laurentians, Lanaudière, Greater Montreal and Lower Richelieu Additional information: Pavement, sidewalks and surfaces will become icy and slippery. Travel conditions could be locally difficult. ### Please continue to monitor alerts and forecasts issued by Environment Canada. To report severe weather, send an email to QCstorm@ec.gc.ca or post reports on X using #QCStorm.
snowfall
Snow and reduced visibilities What: Total snowfall amounts of 10 to 15 cm. When: Late tonight Where: South of the province Additional information: An area of snow is currently affecting southern Quebec. In general, a snowfall amount of nearly 10 centimetres in total is expected. However, some areas may see slightly higher amounts. ### Travel will likely be challenging. Visibility will likely be reduced at times. Snowfall warnings are issued when significant impacts are expected due to snowfall accumulations. Please continue to monitor alerts and forecasts issued by Environment Canada. To report severe weather, send an email to QCstorm@ec.gc.ca or post reports on X using #QCStorm.
snowfall
First significant snowfall of the season What: 10 to 20 centimetres of snow When: from about midday on Sunday until Monday Where: southern and central Quebec Additional information: A weather system will affect southern parts of the province on Sunday and Monday. Total snowfall accumulations of between 10 and 20 centimetres are possible. Snow could also mix with rain at times. In addition, a brief episode of freezing rain is possible between Sunday evening and early Monday morning. These conditions could make roads snowy and slippery, making travel difficult on Sunday and Monday. ### Visibility will likely be reduced at times. Snowfall warnings are issued when significant impacts are expected due to snowfall accumulations. Please continue to monitor alerts and forecasts issued by Environment Canada. To report severe weather, send an email to QCstorm@ec.gc.ca or post reports on X using #QCStorm.
rainfall
Additional rainfall amounts of 5 to 10 mm are expected this evening. The rain will end overnight. ### Please continue to monitor alerts and forecasts issued by Environment Canada. To report severe weather, send an email to QCstorm@ec.gc.ca or post reports on X using #QCStorm.
rainfall
Rain for Halloween What: 40 to 60 millimetres of rain. When: From Thursday afternoon into Friday evening. Additional information: A low-pressure system from the southeastern United States will bring significant amounts of rain as well as moderate to strong winds to Southern, Central and Eastern Quebec. The period of heavy rain is expected overnight Thursday to Friday and Friday morning. The rain will diminish in intensity on Friday during the day. ### Please continue to monitor alerts and forecasts issued by Environment Canada. To report severe weather, send an email to QCstorm@ec.gc.ca or post reports on X using #QCStorm.
frost
Temperatures will approach the freezing mark overnight. Frost is expected in some areas, particularly outside the large urban areas. ### Frost advisories are issued when temperatures are expected to reach the freezing mark during the growing season, leading to potential damage and destruction to plants and crops. Please continue to monitor alerts and forecasts issued by Environment Canada. To report severe weather, send an email to QCstorm@ec.gc.ca or post reports on X using #QCStorm.
Frost Advisory
* WHAT...Temperatures as low as 32 will result in frost formation. * WHERE...Portions of northern New York and central, northwest, and southern Vermont. * WHEN...From midnight tonight to 8 AM EDT Thursday. * IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered.
Special Weather Statement
Fine fuels remain very dry across the Champlain Valley according to the Vermont Department of Forest, Parks and Recreation. This, combined with low relative humidity values down to 30 percent and gusty northerly winds up to 25 mph may have an impact on fire weather conditions Wednesday. If any fires were to start, the weather and fuel conditions could cause fires to quickly spread and be difficult to contain. There is a debris burning ban in effect for Vermont. For more information about the current fire danger rating, any burn restrictions, and wildfire prevention and education, please visit your state forestry or environmental protection website.
Freeze Warning
* WHAT...Sub-freezing temperatures in the mid to upper 20s expected. * WHERE...Southern Franklin and western Clinton Counties in New York and Washington, Caledonia, Essex, Orleans, and Lamoille Counties in Vermont. * WHEN...From midnight tonight to 8 AM EDT Sunday. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing.
Frost Advisory
* WHAT...Temperatures in the low to mid 30s will result in frost formation. * WHERE...Portions of northern New York and central, northwest, and southern Vermont. * WHEN...Until 8 AM EDT this morning. * IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered. * ADDITIONAL DETAILS...The coldest temperatures will be around sunrise this morning.
Frost Advisory
* WHAT...Temperatures in the low to mid 30s will result in frost formation. * WHERE...Portions of northern New York and central, northwest, and southern Vermont. * WHEN...From midnight tonight to 8 AM EDT Sunday. * IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered.
Freeze Warning
* WHAT...Sub-freezing temperatures in the mid to upper 20s expected. * WHERE...In New York, Southern Franklin and Western Clinton Counties. In Vermont, Washington, Caledonia, Essex, Orleans, and Lamoille Counties. * WHEN...Until 8 AM EDT this morning. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. * ADDITIONAL DETAILS...The coldest temperatures will be around sunrise this morning.
Freeze Warning
* WHAT...For the first Freeze Warning, sub-freezing temperatures between 25 and 30 degrees expected. For the second Freeze Warning, sub-freezing temperatures between 23 and 30 degrees expected. * WHERE...In New York, Southern Franklin and Western Clinton Counties. In Vermont, Essex County. * WHEN...For the first Freeze Warning, until 8 AM EDT this morning. For the second Freeze Warning, from midnight tonight to 8 AM EDT Sunday. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing.
Frost Advisory
* WHAT...Temperatures in the low to mid 30s will result in frost formation. * WHERE...In New York, Eastern Clinton and Eastern Essex Counties. In Vermont, Eastern Addison, Western Addison, Western Chittenden, Eastern Rutland, Eastern Windsor, Western Rutland, and Western Windsor Counties. * WHEN...From midnight tonight to 8 AM EDT Sunday. * IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered.
Frost Advisory
* WHAT...Temperatures in the low to mid 30s will result in frost formation. * WHERE...In New York, Northern Franklin, Northern St. Lawrence, Southeastern St. Lawrence, Southwestern St. Lawrence, and Western Essex Counties. In Vermont, Orange, Eastern Chittenden, Eastern Franklin, and Western Franklin Counties. * WHEN...For the first Frost Advisory, until 8 AM EDT this morning. For the second Frost Advisory, from midnight tonight to 8 AM EDT Sunday. * IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered.
Freeze Warning
* WHAT...Sub-freezing temperatures between 25 and 30 expected. * WHERE...In New York, Southern Franklin and Western Clinton Counties. In Vermont, Essex County. * WHEN...From 2 AM to 8 AM EDT Saturday. * IMPACTS...Freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. * ADDITIONAL DETAILS...The coldest temperatures will occur near sunrise on Saturday morning.
Special Weather Statement
Fuels remain very dry across northern New York and Vermont according to the Vermont Department of Forests, Parks and Recreation and the New York State Department of Environmental Conservation. This, combined with low relative humidity values of around 30 percent and northerly winds of 10 to 20 mph with gusts up to 25 mph may have an impact on fire weather conditions tomorrow. If any fires were to start, the weather and fuel conditions could cause fires to quickly get out of control and be difficult to contain. For more information about the current fire danger rating, any burn restrictions, and wildfire prevention and education, please visit your state forestry or environmental protection website.
Freeze Watch
* WHAT...Sub-freezing temperatures as low as 25 possible. * WHERE...In New York, Southern Franklin and Western Clinton Counties. In Vermont, Essex County. * WHEN...From late Friday night through Saturday morning. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing.
Frost Advisory
* WHAT...Temperatures in the low to mid 30s will result in frost formation. * WHERE...Essex County in Vermont and southeastern St. Lawrence, southern Franklin, western Clinton, and western Essex Counties in New York. * WHEN...From 2 AM to 8 AM EDT Tuesday. * IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered.
Frost Advisory
* WHAT...Temperatures in the low 30s will result in patchy frost formation. * WHERE...Essex County Vermont and the Adirondacks. * WHEN...From 2 AM to 8 AM EDT Tuesday. * IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered.
Special Weather Statement
Fine fuels remain very dry across the area according to the Vermont Department of Forests, Parks and Recreation and the New York State Department of Environmental Conservation. Portions of the region are also in moderate drought. Southerly winds will quickly increase to 10 to 20 MPH today, with gusts up to 25 MPH. Localized gusts up to 35 MPH will occur in the Champlain Valley and far northern Adirondacks. These winds, combined with low relative humidity values between 25% and 35%, will create near critical fire weather conditions. Winds will be strongest between noon and 8 PM, coinciding with the timing of the minimum relative humidity values. If any fires were to start the weather and fuel conditions could cause them to quickly get out of control and be difficult to contain. Fire weather conditions will quickly improve as a wetting rain arrives in the late afternoon and evening. For more information about the current fire danger rating, any burn restrictions, and wildfire prevention and education, please visit your state forestry or environmental protection website.
Heat Advisory
* WHAT...Heat index values in the mid 90s after multiple days with values above 90. * WHERE...In New York, Eastern Clinton, Northern Franklin, Northern St. Lawrence, and Southwestern St. Lawrence Counties. In Vermont, Western Addison, Eastern Chittenden, Eastern Franklin, Grand Isle, Western Chittenden, and Western Franklin Counties. * WHEN...From 8 AM Tuesday to 8 AM EDT Wednesday. * IMPACTS...An extended duration of hot temperatures may cause heat illnesses. * ADDITIONAL DETAILS...There will be little relief Tuesday night with low temperatures only cooling to around 70 degrees. Structures will not efficiently cool off in these conditions. Heat impacts are cumulative, and those without access to adequate cooling will be at the most risk to developing heat related illnesses.
chaleur
Chaleur et humidité pour les prochains jours Quoi : Des températures maximales oscillant entre 30 et 34 degrés Celsius, combinées à un taux d’humidité élevé, généreront des valeurs d’humidex autour de 40. Par ailleurs, les nuits seront chaudes, avec des températures minimales de 20 degrés Celsius ou plus, offrant ainsi peu de répit. Quand : D'aujourd'hui à mardi ### Un avertissement de chaleur est émis lorsque des conditions très chaudes ou humides devraient présenter un risque élevé de malaises liés à la chaleur, comme les coups de chaleur et l'épuisement dû à la chaleur. Pour obtenir plus de renseignments : https://www.canada.ca/fr/sante-canada/services/changements-climatiques-sante/chaleur-accablante/comment-se-proteger.html https://www.canada.ca/fr/sante-canada/services/changements-climatiques-sante/chaleur-accablante/personnes-a-risque.html Veuillez continuer à surveiller les alertes et les prévisions émises par Environnement Canada. Pour signaler du temps violent, envoyez un courriel à meteoQC@ec.gc.ca ou publiez un message sur X en utilisant #meteoqc.
météo
Chaleur et humidité en vue Une période de temps chaud et humide est attendue au courant des prochains jours. De dimanche à mardi, le mercure dépassera la barre des 30 degrés et les valeurs d'humidex s'approcheront de 40. Les nuits seront chaudes et offriront peu de répit. Réorganisez ou planifiez vos activités se tenant à l’extérieur pendant les périodes les plus fraîches de la journée. ### Veuillez continuer à surveiller les alertes et les prévisions émises par Environnement Canada. Pour signaler du temps violent, envoyez un courriel à meteoQC@ec.gc.ca ou publiez un message sur X en utilisant #meteoqc.