Apologies if you're already aware, but:
https://www.netweather.tv/live-weather/radar
... click the "Anim On" button, enter your postcode in the field and then click "Postcode Zoom". It can't predict the weather, but it gives you a pretty good idea of what you might be in for.
https://petition.parliament.uk/petitions/653793
Signed, I was number 10469 signator. Web page says "Government responds to all petitions that get more than 10,000 signatures. Waiting for 5 days for a government response[.]"