Stephen Balena blogs on current weather with the latest forecasts, warnings and statistics for Montréal and Southern Quebec. Stephen has been writing about the weather on his own blog, Valley Weather, since 2005. He has been documenting the weather in the St. Lawrence Valley since 1979.
Friday has turned into a spectacular late October day across southern Quebec and eastern Ontario. Temperatures have warmed into the low 20s (70s). The record high for Montreal for October 23 was 25C (77F) set in 1979. We will likely fall just short of that, but it will be pleasant nonetheles…
The first snowflakes of the season fell across portions of southeastern Quebec and adjacent northern New England late Friday into early Saturday morning. The snow was produced by deep Atlantic moisture being transported inland by a developing coastal storm. Meanwhile a cold front that gave M…
Fall is well underway across southern Quebec, but with a hint of summer still around and a sprinkling of winter. October, or as I like to call it the April of fall, is a month full of contrasts and the occasional surprise or two. We often see summer warmth, thunderstorms, frost and even snow…
Frost Advisory posted for metro Montreal. The advisory extends into eastern Ontario and the Ottawa Valley.
The tropics have become active once again, with the 25th name storm of the 2020 Atlantic hurricane season making landfall near Cancun, Mexico early Wednesday morning. Hurricane Delta moved briefly inland over the northern Yucatan Peninsula, before moving back into the extreme southern Gulf o…
September has drawn to a close and October is underway looking like, well, Montreal in October. I just love October skies and Thursday did not disappoint. The sky was busy to say the least, with pop up showers and dark clouds mixing with bright sunshine and deep blue fall skies, all against …
Hurricane Teddy completed a transformation into a powerful post-tropical cyclone late Tuesday, before moving into Nova Scotia, well northeast of Halifax. The once Category 4 hurricane moved inland between Sheet Harbour and Ecum Secum, Nova Scotia around 10AM Atlantic Time Wednesday morning.
At 8pm AST, Hurricane Teddy had transitioned into a post-tropical cyclone, located 305km south of Halifax. All warnings remain in effect as Teddy continues to move north at 29km/h. Landfall is expected overnight in eastern Nova Scotia. A NOAA Hurricane Hunter aircraft recently reported 140km…
Frost Advisory in effect for off-island communities of southern Quebec. There is a risk of ground frost on the next three mornings as temperatures fall to near 0C (32F). The island of Montreal is excluded at this time.
Remember September is part an old Carib Indians saying that refers to the increase in hurricane activity in the month of September across the West Indies. This saying takes on a new meaning in the wildly unpredictable Covid year of 2020. The weather is downright crazy, just about everywhere …
It is hard to believe, but summer 2020 is quickly slipping away, with fall weather on the horizon for Montreal. September 1st is considered the start of meteorological fall, with the warmest three months of the year now behind us. The celestial calendar will catch up in a few weeks on Septem…
They feared the water - the storm surge - but it in the end it was Laura's 225km/h plus winds that did catastrophic widespread damage across southwest Louisiana.
6 AM Update, Thursday, August 27: Powerful hurricane Laura made landfall at 2 AM EDT in the tiny town of Cameron, Louisiana. Wind gusts over 130 mph have been reported at Lake Charles. There is widespread damage and power outages across the area, with very little information available from c…
Update 6:15 AM August 25: All watches and warnings have expired for Montreal. There were plenty of nocturnal thunderstorms rattling around the Montreal region overnight, most being of the non-severe variety. There was however a few torrential downpours, with about 13mm of rain measured here …
UPDATE: Monday, August 24 - 9:15AM: Marco has once again weakened to a tropical storm this morning, as the storm encounters wind shear and dry air. The center of Marco is approaching the Louisiana coast early Monday morning, with heavy rain and 50 mph winds. Marco is forecast to ride along t…
As I am writing this blog update, light to moderate rain is falling outside my office window in Saint Laurent. Since about 9:30am this morning, nearly 20mm had already fallen across the West Island. The rain is associated with an extremely slow moving cold front that is draped across eastern…
I have lost count, but we have had at least a half dozen or so heat warnings that have been issued for Montreal this summer. We have another in effect currently, as temperatures are expected to rise into the low 30s Monday and Tuesday, along with elevated humidity levels. The humidex is fore…
Tropical Storm Isaias wrap-up
All warnings have expired for Montreal.
***As of midnight - all watches and warnings have expired.
Hurricane Isaias, the 9th tropical system of this record-breaking 2020 Atlantic Hurricane season, is moving across the central Bahamas early Saturday morning. The storm is located 125 km south, southeast of Nassau, moving northwest at 19km/h. Winds in the hurricane are gusting over 140km/h.
Heat Warning in effect for metro Montreal
We are expecting another surge of heat and humidity across southern Quebec this weekend, in what is quickly becoming a torrid summer. Early Friday morning, a warm front is lifting across the St. Lawrence Valley, accompanied by clouds and showers. There is even a rumble or two of thunder here…
6:45 PM Saturday, July 11: As of 6pm, between 12 and 15mm of rain had fallen in Montreal on Saturday from what was left of Tropical Storm Fay. The storm continues to weaken as it moves northeast of Montreal. More showers and thunderstorms will develop this evening as a quick moving front cro…
Heat Warning in effect for metro Montreal
UPDATE: Friday, July 3 - 6:30 AM: Any chance for much-needed rainfall passed by Montreal on Thursday, with showers and storms splitting the city to the east and west. Today will be a transition day, with temperatures just a touch cooler and some lower humidity levels. The heat builds again t…
Our remarkable seven day heatwave is over in Montreal. We manged six consecutive days of temperatures over 32C (90F) at Trudeau Airport. This was an extremely rare event for the city, and a first for the month of June. The heatwave ended Tuesday evening as strong thunderstorms developed well…
Heat Warning in effect for southern Quebec. Expect daytime highs in the low to mid 30s, combined with increasing humidity to produce humidex values from 35 to 40C through the weekend.
Friday, June 12 UPDATE: As of 6am Friday morning, just over 1000 clients remain without power in Quebec. More than 100 teams of Hydro Quebec lineman assigned to yesterdays windstorm, made quick work of the repairs. At the height of the outage, nearly 120,000 customers had lost power.
6AM, Saturday, May 30: The first heatwave of the year is over for Montreal. Saturday has dawned windy and much cooler, with a temperature of 15C (59F) and a northwest wind of 50km/h.
Heat Warning remains in effect for metro Montreal.
At 4pm, Montreal, Trudeau Airport reached 35.8C (96.5F), a record for the day and the warmest May day ever for the city. Several spots in the city reached 38C (100F). Montreal was also the warmest location in Canada today.
If you plan on getting together this weekend with family and friends as Covid-19 restrictions are eased, forget about any outdoor fires. The province is under an open fire ban according to SOPFEU, the provincial forest fire service.
As the Quebec government begins to loosen some of the Covid-19 restrictions for parks, golf courses and marinas, the weather has finally decided to come along for the ride. We certainly deserve the beautiful late spring weather that is expected this week for southern Quebec. Strong high pres…
Frost Advisory issued by Environment Canada for southern Quebec.
Frost Advisory in effect for Montreal.
Update: 8AM, Wednesday, May 6: Frost Advisory remains in effect for southern Quebec into Thursday morning.
UPDATE, Friday, April 24: The overnight low in Montreal has established yet another record for this cold snap. Trudeau Airport dropped to -4.3C (24.2F), barely beating the previous low of -4.2C (24.4F), set in 1995.
After a mild winter, spring has been rather slow to start in Montreal.
A potent cold front swept across southern Quebec Monday afternoon, ushering in a few hours of strong southwest winds. Wind gusts reached 102km/h at Trudeau Airport during the evening hours Monday, with 96km/h recorded at Saint Hubert on the South Shore. The peak gust in Quebec was 124km/h at…
Wind Warning in effect for the St. Lawrence Valley through 2:00 am Tuesday.
There is plenty to talk about in the weather department tonight, with another strong spring storm expected to impact Ontario and Quebec late Sunday into early Tuesday.
Update: Thursday, April 9, 2020, 11:55AM: The heavy rainfall warning for Montreal has been cancelled. Lesser amounts of precipitation are forecast for the city. However the warning remains in effect for the Eastern Townships and Richelieu Valley. The added precipitation will cause waterways …
Friday, April 3, 10:45AM Update: Steady rain will taper to showers this afternoon in Montreal. A very intense coastal storm has been responsible for over 20mm of rain in the city since Thursday afternoon. Strong northeast winds have been gusting up to 70km/h in the St. Lawrence Valley. The p…
UPDATE 8AM Monday, March 30: All weather warnings have expired for the Montreal region. Light rain will redevelop today, but no major accumulations are forecast.
As if nerves were not shaken enough these days, a minor earthquake rattled southern Quebec at around 3:21 AM Sunday morning.
After a bright, sunny and cold weekend, milder temperatures are on the way for Monday, along with some wet snow. The snow should begin late Monday and end early Tuesday, with only 1 to 3cm expected for Montreal.
It continues to be a strange and difficult time for so many around the world and now right here in Montreal and across Canada. The rapid spread of the Covid-19 virus has meant lifestyle changes for all of us. I wish all my readers good health as we all continue to deal with this global Pande…
UPDATE 8AM, Friday, March 13: Rain Warning for Montreal and Laval: Temperatures have warmed above freezing and the threat for freezing rain is now over for Montreal. However an area of heavy rain over eastern Ontario will move into southern Quebec this morning. Expect 25 to 40mm of rain by e…
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