For Iains benefit here is a longe range forecast for PI next weekend.
http://www.myweather2.com/Motor-Raci...-Forecast.aspx
Just checked the VHRR website and literally they have just posted the schedule and entry list. (I checked earlier today and it was not there)
https://vhrr.com/wp/wp-content/uploa...st-2019-RS.pdf