Dense fog formed in and around Calgary overnight Thursday and Friday morning, Environment and Climate Change Canada (ECCC) issued fog advisories, with some southern Alberta communities experiencing near-zero visibility .

Conditions are expected to improve throughout the morning, but fog may develop again early Saturday in many of these same communities.

Fog conditions detected by 511 Alberta cameras (November 1, 2024, 7:30 a.m.).

Sunshine will replace fog in Calgary by Friday afternoon, with a daytime high slightly below the seasonal average of 7°C.

This temperature trend will continue over the next five days.

On Saturday, there is a 40 percent chance of light snow in Calgary or possibly mixed precipitation.

If it moves towards southern Alberta, accumulations are expected to be low.