Hail coats the ground on a Canadian farm field.

Explaining severe summer weather: Hail

Understanding the science behind hail on the Canadian Prairies — how it forms and why it tends to be worse in some provinces

Hail is a common and potentially dangerous form of precipitation which is commonly seen during thunderstorms on the Canadian Prairies. But how does it happen?



Late-season hail hits Prairies

Late-season hail hits Prairies

Crop insurance companies had a busy August, with waves of storms bringing heavy wind and hail

Crop insurance companies had a busy August, with waves of storms bringing heavy wind and hail.


Hail in a yard west of Somerset, Manitoba, June 12, 2024.  Photo: Alexis Stockford/File

Hail, strong winds damage Prairie crops

A series of storms left a path of destruction in all three Prairie provinces from Aug. 19 to 25. More than one million acres were either damaged or destroyed by the storms bringing hail and strong winds, leading to more than 2,800 claims of crop damage, according to the Canadian Crop Hail Association (CCHA). “This




Photo: SusanneSchulz/iStock/Getty Images

Cereals withstood storms better: CCHA

Approximately 1,000 crop damage claims made from storms between June 23 and July 1

“Numerous early season storms have resulted in a number of claims for the industry,” CCHA Chairman Scott McQueen of Palliser Insurance said in a statement. “Cereals have generally fared better as many were hit in the grassy stages of development and minimal damage to the plant was caused with environmental conditions being favourable so that crops that were hit by hail are able to recover.”


AAFC drought risk map, June 2024.

Rainfall counts bring flood after famine

Spring rain has recharged groundwater, but Manitoba may also be in for a bad thunderstorm season

Precipitation in April and May has set Manitoba's groundwater situation on the road to drought recovery, but more severe storm clouds might also be on the horizon.

A house in Oak River had its siding shredded during an early-season thunderstorm.

Manitoba’s hail numbers in for 2023

Although worse than recent years, MASC says 2023 claim numbers were not disastrous

Manitoba’s final hail claim count was above the five-year average, but it’s not as serious as expected earlier this year. In mid-December, the Manitoba Agricultural Services Corporation reported 1,587 payable claims worth about $33.6 million for the 2023 season. Why it matters: Early hail concerns tapered off as the season ticked over into late summer. That number