there are radar maps available for BC, but in my personal experience, they aren't always accurate
4 years ago I was leaving the Okanagan Valley in mid-Sept, weather forecast and radar both favorable; sun and clear they stated, to be exact.
10 miles in to my ride from Kelowna to Merritt there was a couple inches of wet snow and some decided seat pucker moments on my way to the next warm valley
don't get me wrong, more info is better than less, but I think there is a point where techy overload leads to overconfidence where common sense and experience is more valuable
my 2 cents