When can you commit?
Men don't like to commit, so the girls say.
Weather forecasting has always been a somewhat intractable problem, being half science and half art.
Remember when we had operational control? Departed with a CAVOK report in hand, only to be told enroute the destination had been closed due weather, and what were the intentions re an alternate. No fuel for an alternate, nor holding, and FSU was told so. What are your intentions was the reply. Continue to destination was the only option open, and land in the crap weather was the answer, and duly executed.