The weather agency has also issued a yellow weather warning for Scotland from Wednesday evening to Friday morning, as it forecasts persistent, heavy rain. open image in gallery The Met Office is watching Hurricane Humberto closely ( NOAA )Hurricane Humberto shortly developed into a Category 5 hurricane on Saturday before easing back down to Category 4 on Sunday. The Met Office warned that there may be fast flowing and deep floodwater which poses a danger to life. Here is the weather forecast in the UK for the coming week, according to the Met Office. Outlook for Wednesday to FridayRain will turn heavy across the northwest through mid week with strong winds, especially on Friday.