| Event Category | Disaster |
| Event Group | Natural |
| Event Subgroup | Meteorological - Hydrological |
| Event Type | Storms and Severe Thunderstorms |
| Place | Montreal QC |
| Event Start Date | May 29, 1986 |
| Event End Date | May 29, 1986 |
| Comments | Montreal QC, May 29, 1986. Hail the size of golf balls/tennis balls (up to 8 cm in diameter) fell in Montréal. |
| Fatalities | 0 |
| Injured / Infected | 0 |
| Evacuated | 0 |
| Estimated Total Cost | $45,473,000 |
| Federal DFAA Payments | $0 |
| Provincial DFAA Payments | $0 |
| Provincial Department Payments | Unknown |
| Municipal Costs | Unknown |
| OGD Costs | Unknown |
| Insurance Payments | $45,473,000 |
| NGO Payments | Unknown |
| Utility - People Affected | 0 |
| Magnitude | 0.0 |