Originally Posted by gpn01
Problem is that the Met Office is trying to forecast a future event which, in the UK, isn't completely forecastable. We're a small island, off the coast of a large land mass, with a huge ocean with warm most air to the West and a source of very cold dry air to the North. Add to this the variability of the jetsream moving around and it all becomes very complex very quickly. If you want an accurate forecats, move to Nevada.
Or use MetCheck
Yes, I know you can't use it professionally. Those of us needing accurate local forecasts for recreational purposes though, including planning flying with aircraft whose usable range of weather is very small, highly wind-direction dependent and needing little or no precipitation, generally find it remarkably accurate, up to several days in advance (once one factors in one's own understanding of the general synopsis and wider weather environment).
Long and short - The Met Office should be capable of being better than their current performance.