Locally severe thunderstorms developed over southern SK this afternoon, with an impressive supercell thunderstorm southwest of Moose Jaw near Gravelbourg in the evening. Cloud tops were at least 50,000 ft high with this storm with 25 mm hail reported in a couple localities. Unfortunately, EC radar was unavailable over southern SK due to problems with transmission lines to the radar sites.
Southern MB will see the remnants of these storms on Sunday with showers and possible thunderstorms moving in a narrow band along the TransCanada corridor. Note that SPC is carrying a slight risk of severe thunderstorms over southeast MB for Sunday.