Dense fog settled over most of the eastern Prairies early Monday morning, prompting a widespread yellow-level fog advisory from Environment and Climate Change Canada. As of 7 a.m., the advisory stretched from eastern Alberta to the western edge of Ontario, with the national weather agency explaining, “Low visibility continues in dense fog. The fog will break up through the morning in most locations. Areas near the Saskatchewan border may see fog persist into the afternoon. Travel will likely be hazardous in some locations. Visibility will likely be suddenly reduced at times.” As of 8:30 a.m. Monday, visibility was still poor on many 511 Alberta cameras in east and east-central Alberta, including along the Trans-Canada Highway near Medicine Hat and Highway 3 west of Medicine Hat. That fog will mix out in most communities by mid-morning but may be a little more persistent along the Alberta-Saskatchewan border. The next seven to 10 days will be mild and pleasant in Calgary and southern Alberta as a stable weather pattern sets up across Western Canada. A series of high pressure systems will move west to east across the Pacific Northwest and over the western Prairies this week. Daytime highs in Calgary will range from 8 C to 13 C from Monday through Remembrance Day. Overnight lows will be at or above freezing. The normal high this time of year in Calgary is 7 C with a low of -6 C. The next five days will include little to no threat of precipitation, mainly sunny conditions, and very little wind in the Calgary area. There will be some cloud cover and mixed precipitation in British Columbia, but as that air mass moves over the Rockies the bulk of moisture will be squeezed out on the western slopes, allowing drier, and warmer air to flow over the foothills.
