Environment Canada has issued Rainfall Warnings in extreme southeastern Saskatchewan Tuesday morning.
Places included in the warning are Weyburn, Estevan, Carlyle and Oxbow, among others.
Heavy rain, with total amounts around 50 mm are expected Tuesday in those areas.
The Weather Office says the majority of the rain should fall by this evening.
Regina is not in the warning zone but could see some shower or thunderstorm activity Tuesday afternoon.