Last I looked, it was May, almost June outside. Yes, it's colder there than where I am at, altitude and such, but come on now.
It's freaking May. Who in their right minds would trust ice this late in the season. There are reasons ice climbers climb in the winter months. This is one of them.
That was exactly what I was thinking. Why on earth were they climbing ice in May. A quick look at the parks web cams shows a lack of snow in those places, while the weather reports for the area show highs in the 50s-60s with lows in the 20s-30s. Sad that they died, but not really unexpected.
Here's an article with some more info:
article