Issued: 0900 Friday 4th January 2018
Duty forecaster: Dr. Simon Keeling
Cold start to the weekend, becoming more murky ahead of a stormy Monday, then colder next week
Changing weather through the coming week with some coder days, but a few milder ones thrown in there too. Higher pressure this weekend brings relatively being weather; frost for some although murk and drizzle for others. Turning stormy in the north on Monday ahead of colder, brighter weather arriving through Tuesday and Wednesday. Watch out for some wintry showers in Scotland and eastern England.
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High pressure is to the south of the UK and Ireland again on Monday. Morning mist and fog patches lifting to leave most places dry with broken cloud and some bright or sunny spells. Increased winds bringing some patchy rain to western Scotland and western Ireland, this turning heavier during the morning as an area of gales affects Norther Ireland and most of Scotland. Rain turning to wintry showers in northwest Scotland where the strongest winds will be towards late afternoon and evening. Rain too in northern England and passing through Ireland, most of this patchy. Best sunshine in southern and southeast England. Highs at 7 to 9C.
The area of low pressure passes into southern Norway on Tuesday as high pressure builds west of Ireland. This brings a strong and cold north to northwest flow across all parts of the country. Wintry showers in northern and eastern Scotland, with some affecting eastern coasts of England too. Tending to be brighter and drier to the west and south. A significant wind chill-developing. Tops at 3 to 10C.
Low pressure to the east and high pressure over Ireland allows for another cold day. There is a risk of some wintry showers in East Anglia and southeast England, but most places should be dry. Some bright or sunny spells, although increasingly murky in western Scotland and parts of Ireland. Highs near 3 to 5C.
High pressure remains dominat on Thursday, although a weak front brings some low cloud and drizzle into Scotland, northern England and Ireland. Staying cold in the south of England, although becoming murky here with some lower cloud developing. A risk of further wintry showers in the southeast. Probably a duller day overall. Tops at 4C in southern England, 8C in Scotland.
Despite high pressure being in control it might be a rather dull day on Friday. There could be drizzle over coasts and hills, especially in the north and west. The best of any brightness of central and southern areas. Highs at 4 to 8C.
A more mixed day on Saturday with the westerly winds pushing fronts eastwards. These bringing showery outbreaks of rain, most in the west. Highs at 5 to 8C.