Halton police say the second forestry worker who was struck by a tree on Friday afternoon has died.
That raises the death toll from the wind storm to three.
A tree fell on two workers in a rural area of Milton during the height of the storm.
A 28-year-old man was pronounced dead at the scene and an 18-year-old man was rushed to hospital with life threatening injuries.
Halton police say the teenager died in hospital Saturday morning.
Both men were employees for Miller Tree Services in Campbellville.
Meantime, A Hamilton man was electrocuted while trying to move live wires during the storm.