Originally Posted by tracon

This is the current forecast for YYZ.
In layman's terms, windy, but no mention of low visibility.

26020G32KT P6SM FEW040 TEMPO 1221/1223 P6SM -SHSN BKN040
BECMG 1221/1223 26015G25KT
FM130300 26012G22KT P6SM FEW020 BECMG 1304/1306 26012KT


This is the rotation for your plane.
https://www.flightradar24.com/data/aircraft/c-fiul

I would suggest your original plane went mechanical and this is the recovery.