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

Conditions are expected to improve throughout the morning, however fog is likely to develop again early Saturday in many of the same communities.

Foggy conditions detected on 511 cameras in Alberta (November 1, 2024, 7:30 AM).

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

This temperature trend will continue for the next five days.

There is a 40% chance of light snow in Calgary on Saturday, or possibly some mixed precipitation.

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