Likely as it may seem, that's what i useThis has already been done recently, but try www.yr.no unlikely as it seems.

I like that, makes me want to head south for winter thoughI use the BBC weather site, I also use Wundermap to get temperatures
http://www.wunderground.com/wundermap/

Surely all the met data is first collected by the Met Office, analysed and then distributed to the various outlets listed above, to be presented in the format they prefer? I can't imagine they all have the satellites and super computers needed to provide independant forecasts. I guess this begs the question, how can the forecasts be so different?