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Centre for Precision Forecasts
Plan ahead with precision. No compromises. A reliable source for forecasting.



TransCanada Weather

Written Outlooks
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Life-Threatening Winter Storm (Dec 23-25, 2022): Preliminary Forecast Southwestern Ontario
A life-threatening winter storm will impact Ontario, starting on Friday and lasting through the weekend. While there are always comments...
Dec 21, 20225 min read
1,382 views


Snowstorm Targets Northern Ontario, 50cm+ Possible
We are tracking a large low-pressure system which is producing strong tornadoes and severe thunderstorms across the Deep Southeast United...
Apr 13, 20204 min read
102 views


Blizzard Conditions Expected from Snow Squalls; Locally 60cm+
We are watching a dangerous snow squall setup across the Great Lakes which is expected to last from Thursday through to Saturday....
Feb 27, 20205 min read
1,491 views


Winter Storm Targets Ontario; 35cm+ Possible
We are tracking what is set to be one of the biggest snowstorm this winter across Southern Ontario with a widespread 10-20cm expected...
Feb 25, 20208 min read
4,120 views


Snowstorm to Impact Portions of Ontario
We are closely watching a fast-moving system as it moves towards Southern and Northeastern Ontario. This system will bring a heavy swath...
Feb 18, 20203 min read
2,048 views


Biggest Snowstorm of the Season for Southern Ontario
We are tracking a significant snowstorm which is expected to impact a large portion of Southern Ontario and into Northeastern Ontario....
Jan 18, 20204 min read
10,994 views


Significant Ice Storm, Record Rainfall and Heavy Snow across Ontario
We are tracking a dynamic winters storm across portions of Ontario which will bring record rainfall, significant freezing rain and heavy...
Jan 11, 202012 min read
2,207 views


Winter Storm to Bring Heavy Snow, Ice Storm Conditions, and Thunderstorms to Ontario
We are currently watching a significant winter storm as it crossed into Ontario throughout the day on Sunday, lasting through to Monday...
Dec 29, 20197 min read
2,419 views


Strong System to Bring Heavy Snow, Freezing Rain, and Heavy Rain to Southern Ontario
We are currently tracking a large system as it crosses Ontario and moves into Quebec and Atlantic Canada over the coming days. This...
Dec 14, 20194 min read
265 views


Significant Ice and Snow Expected Across Southern Ontario; Power Outages Possible; Whiteouts
We are closely watching a large and complex weather system as it crosses the Central United States before impacting Southern Ontario...
Dec 1, 20199 min read
2,735 views


Major Winter Storm to Bring Near-Blizzard Conditions to Northern Ontario; Windy in Southern Ontario
We are watching a large weather system cross the Midwestern United States this evening as it produces heavy snow (measured in feet) and...
Nov 27, 20195 min read
2,655 views


Snowstorm Targets Northern Ontario; Heavy Snow Expected
We are currently watching a developing system over the Northern United States/Southern Manitoba which will begin to track into...
Nov 20, 20192 min read
25 views


Winter Storm to Bring Widespread 10-25cm of Snow To Southern Ontario; Pockets of 40cm Possible
We are watching an increasing strength winter storm which is expected to move into Southern Ontario early Monday morning. The snowstorm...
Nov 11, 20194 min read
3,030 views


Heavy Rain, Snow, and Damaging Winds to End the Work Week (including Halloween)
We are watching a large and complex system that is expected to bring heavy rainfall and strong winds to portions of Southern Ontario and...
Oct 31, 20198 min read
1,732 views


Major Winter Storm to Bring Heavy Rain & Heavy Snow to Northern Ontario
We are currently tracking a strengthening Colorado Low as it approaches Northwestern Ontario throughout the day on Thursday with lasting...
Oct 10, 20193 min read
161 views


Texas Low Producing a Severe Weather Outbreak Moves Into Ontario with Snow, Freezing Rain and Rain
We are closely tracking a Texas Low which is currently (as of Saturday evening) sitting over portions of the United States, near the Gulf...
Apr 14, 20198 min read
444 views


Weakening Historic Blizzard Moving into Ontario; Heavy Snow, Freezing Rain and Gusty Winds Expected
We are closely tracking a large, historic and record-breaking system weaken as it tracks near Ontario. This system has produced an ice...
Apr 11, 20196 min read
3,874 views


Strengthening System to Bring Heavy Snow & Significant Freezing Rain to Northern and Eastern Ontario
We are watching a strengthening system across Northern Ontario which will bring 15 to 30cm of snow and a wide swath of freezing rain...
Apr 7, 20194 min read
733 views


Freezing Possible for Several Hours on Friday (April 5th) for Southwestern and Central Ontario
We are closely watching a weak system expected to slide through Southern Ontario. Rain can be expected for much of the Extreme South with...
Apr 5, 20192 min read
229 views


Strong Spring Storm Bringing Heavy Rainfall, Flooding, Significant Freezing Rain, and Heavy Snow
March will be going out like a lion this year as a strong Colorado Low is expected to move across Southern Ontario bringing 20 to 50mm of...
Mar 30, 20195 min read
710 views
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