I've tried and tried to learn, at least 4 times in my life, to know what every cloud formation, barometric pressure, and wind directions mean for weather change. I just get it wrong every time....hopeless! I've gotten good at hiding from lightining strikes, though.

I do actually get a long range forecast before going camping, but I refuse to be a slave to the weather. If I believed every forecast, I'd never go anywhere.
The forecasts are about useless anyway, the weather in the mountains has it's own agenda.