In reply to Costadia:
Agreed on a combination or yr.no, xcweather, mwis, and the other main websites. Just look at them all until you find one that means you go out to the hills
.
They're getting more accurate in terms of predicting trends of weather, what remains difficult is getting the timing right, and the way the jet stream has been, its hard to predict how far south/north certain weather patterns end up.