Calgary weather: Warm but returning to winter soon [Video]

Classic chinook-like conditions will bring a mid-week infusion of warmth into southern Alberta.

The forecast high for Wednesday is expected to be 22 degrees warmer than Tuesday, with Thursday’s high even warmer than that. Unfortunately, this setup lacks stability and will break down quite easily later in the day Thursday.

Precipitation that will initially remain on the eastern side of the Rockies will start to impact the leeward side of the mountains early Thursday. At the same time, cold Arctic air will slide toward Alberta’s southern border.

The timing of these converging air masses will determine how large of an area will remain warm enough to sustain rain rather than snow. There is also likely to be a transition zone between rain and snow (e.g. freezing rain), which could significantly impact road conditions.

Calgary weather futurecast for Feb. 29 at 7:30 p.m. (CTV News)

There is still uncertainty regarding how …