Originally Posted by
fyrefli
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).
Funnily enough I've found the Metcheck forecast accuracy to have declined recently. I wonder if they've adopted a new model or data source?