You'll be passing by or through a lot of National and provincial parks. Check the respective websites.
If you aren't planning on doing anything in the Calgary itself, consider staying closer to the mountains when heading south to Waterton/Glacier. AB 22 skirts the foothills, and AB40 passes through Kananaskis Country, an area of provincial parks that rivals Banff in scenery.
Drivebc is the BC highway information site. I'm not sure about Alberta. In the past the Alberta AAA affiliate had the best road conditions information.
BC visitor centers, often near the border crossing, have lots of good information.