Quebec winters put trees to the test. The weight of snow and ice can turn a seemingly healthy tree into an immediate threat to your home, car or family.
Every year, branches break, trees collapse dangerously, and some fall completely after a storm, endangering people and their property. This guide will help you recognize the signs of a tree at risk during a snowstorm, and let you know when it’ s time to cut down a dangerous tree under the snow.
No need to be an expert: we simply explain what to look out for and when to call a professional.
A healthy tree can withstand heavy snow loads. But several factors increase the risks during winter.
Signs of a tree at risk include:
Proximity to structures increases urgency. A tree leaning toward your house requires immediate assessment, even if it appears to be holding.
Softwood species (poplar, willow) and trees with several trunks are particularly vulnerable to the weight of snow.

Many owners make risky decisions by trying to manage the situation themselves.
Never do :
Winter tree removal in Montreal requires specialized equipment and expertise. Winter conditions (frozen ground, reduced visibility, slippery branches) complicate operations considerably.
According to the Régie du bâtiment du Québec, only certified contractors have the insurance and training required for these high-risk interventions.
| Observed situation | What it means | Recommended action |
| Branches split but tree straight | Partial structural damage | Arborist inspection in 48 hours |
| Tilted trunk after storm | Root system compromised | Urgent cuts required |
| Audible cracking | Structure under extreme stress | Evacuate area, call immediately |
| Heavy snow, healthy tree | Normal load | Monitoring after each storm |
| Branches on electrical wires | Major electrical hazard | Call Hydro-Québec + arborist |

Felling a dangerous tree is not always necessary. A certified arborist can often stabilize a tree with strategic bracing or pruning.
Felling is necessary in these cases:
Paradoxically, winter offers certain advantages for felling. Frozen ground protects your property from heavy equipment damage. The absence of foliage makes it easier to assess the structure.
Professional arborists use cranes, ropes and dismantling techniques that enable safe felling even in confined spaces.
Prevention considerably reduces the risk of winter emergencies.
Effective preventive action :
The Ministère des Forêts, de la Faune et des Parcs (Ministry of Forests, Wildlife and Parks) recommends that all trees over 10 metres tall located near buildings be assessed.
A modest preventive investment often avoids costly emergency interventions in the middle of a winter storm.

A tree can go from safe to dangerous in a matter of hours during a snowstorm. Your role is not to become an expert, but to recognize the signs that require professional assessment.
Felling a dangerous tree in winter is a last resort. Most situations can be resolved by pruning or stabilization if you act quickly.
Your safety and that of your family come first. When in doubt, a professional inspection will give you the facts, and the options best suited to your situation.
If you notice any of the signs described after a storm, or if you’re concerned about a tree, our team can quickly assess the situation. We’ll clearly explain the real risks and possible solutions, without alarmism.
Contact Arboxygène for a winter assessment of your at-risk trees.
No. A large crack can expand with each freeze-thaw cycle. The tree may fall without warning during the next episode of wind or snow. Immediate assessment is required.
Generally, yes, if the tree falls on your house. On the other hand, the insurance company may refuse if you were aware of the danger and didn’t act. Always document your inspections and interventions.
It depends on the species, age and structure. A healthy, mature maple tree is more resilient than an aging poplar. Horizontal branches break more easily than branches at a 45-degree angle.
Residential roofs are designed for 60-100 kg/m² according to the Building Code, i.e. about 60-90 cm of powder or 30-40 cm of wet snow. Capacity varies according to structure, age and roof type.
No. Wood needs to dry for a minimum of 6 to 12 months. On the other hand, felling in winter allows the wood to start drying immediately for use the following winter.
