You could encounter some suspects driving conditions during any Thursday-morning travel.
An early-morning update on the province's Highway Hotline said travel was not recommended from Yellow Grass to Moose Jaw on 39, with ice and snow being reported.
The latest information, from Wednesday night, said it's winter driving in and out of Estevan, with roads liable to freeze.
The Trans-Canada is no longer closed between Moose Jaw and Swift Current, but as of Wednesday night, authorities were not recommending travel for that stretch.
A spot on Highway 35 north of Weyburn was also closed late Wednesday night to traffic from both directions due to snow drifts.