Any one living in around or is familiar with SW Alberta, CA?

On an impulse I decided to make a change and set a small portion of my latest work Battle for Earth in the region surrounding the Canadian Rockies specifically the particular stretch in the south-western corner of Alberta. Although I'm somewhat well traveled within the United States, my journeys have not yet taken me outside of our borders. So, I'm hoping someone here could help me with that particular deficiency. I've found quite a lot about plant and wildlife in that area and I think I got a pretty good handle on that particular aspect of the region, but I'm wondering what the weather is like particularly during early-to-mid August. I also have a more specific question in mind, but I'm wondering if it might be better to resolve that one via pm as it would involve revealing a very minor spoiler.

Any help would be appreciated and I will warn you all in advance I may pm commenters for more information.

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