A ridge of high pressure is still hanging on across southern and south-eastern parts of the UK today keeping the quiet and mostly settled spell of weather going here. However, a frontal system approaching from the northwest is bringing a band of rain south-eastwards although this system will weaken as it runs into that ridge of high pressure during tonight and tomorrow. Eventually the more unsettled conditions will win out with most areas turning changeable again by the end of the week.
The coldest weather this morning can once again be found across southern and south-eastern counties of England where it is a frosty, and in places foggy, start to the day. The further north and west that you are the cloudier and milder it will tend to be with a band of rain moving into western Scotland, Northern Ireland and the Republic of Ireland. This rain will continue to slowly edge its way south-eastwards today, crossing much of Scotland before reaching parts of northwest England and north Wales by this evening allowing clearer and more showery conditions to follow on into the northwest. Meanwhile, towards the south and east across the rest of England and Wales it will be another dry day with some bright or sunny spells developing although some of the fog and low cloud may be rather slow to clear. It will be rather chilly where this is the case with temperatures of 4°C or 5°C at best, but out towards the west milder air will be moving in helping lift temperatures up to 10°C or 11°C.
That rain band will tend to die out across central regions of England and Wales tonight with some frost and patchy fog towards the south-eastern corner. Showers will continue to affect the northwest before freshening winds bring more persistent rain into the far northwest by the end of the night and this sets up a very wet Thursday across western Scotland with heavy and persistent rainfall developing. It will be drier further south but as the winds strengthen so somewhat milder air will be moving in as that ridge of high pressure loses its grip.
METEOROLOGIST: BARBER
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