Friday will bring thunderstorm activity to central and southern Saskatchewan late afternoon and into the evening. Environment Canada show a slight risk along the highway 7 corridor main threats being 1-2 cm hail and gusty winds. 

Slightly further South from the south Saskatchewan river to the Montana border there is a moderate risk of severe storms with the main threat being 2-3cm hail and strong winds, and locally heavy rain. 

This system will move into south eastern Saskatchewan overnight.