Issued: 0930 Friday 15th January 2021
Duty forecaster: Alexi Venerus
Some milder air pushing in at times over the next few days then colder air from midweek. Mixed to unsettled weather expected.
There will be some milder air at times pushing in over this weekend and into next week before a north-westerly flow develops thereafter allowing for colder air to push in. Mixed to at times unsettled weather ahead with rain, sleet and snow forecast as well as strengthening winds.
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Monday sees low pressure north of Scotland as well as southwest of Ireland. Wintry showers or even longer spells of sleet with snow on high ground over northern and western Scotland. Rain affecting Ireland as well as Wales and central and southern England later. Drier elsewhere. Highs at 5 to 9C.
Low pressure in the west moves in over the UK on Tuesday. Cloudy with outbreaks of rain spreading across the UK and Ireland through the day, turning to snow over higher ground in the north. Strengthening southwesterly winds too. Northern Scotland and southeast England staying driest for longest but rain will reach these areas by late afternoon/evening. A milder day for most. Highs at 7 to 12C for many although northern and central Scotland will see highs between 0 to 4C.
Low pressure moves over northeast Scotland on Wednesday before clearing over the North Sea. It will continue to be breezy and a cold northwesterly wind develops bringing a bright day for many although blustery showers, these wintry, will affect northern and western Scotland. Rain is also expected to clip the far southeast corner where it will be milder. Drier elsewhere but with some wintry showers along western coasts. High temperatures at 4 to 7C.
A northwesterly flow persists into Thursday bringing another chilly but mostly bright day. Wintry showers persist to the northwest. Cloud thickens in the south later. Highs at 3 to 7C.
A widespread frost is expected, with a hard frost in the north on Friday morning. Effects of low pressure south of the UK could bring cloud and some patchy rain to southern English coasts and possible brisk winds. A largely dry but cold day elsewhere with showers along northern and western coasts, these wintry in places and likely for more persistent snow showers in northern Scotland. Highs of 1 to 6C.
Low confidence in this at this stage but there is a risk for rain, with some snow on leading edge, to affect southern England and south Wales on Saturday. A widespread frost elsewhere and it will be largely dry and staying cold yet bright. Some wintry showers still affecting the far north of Scotland. Highs of 1 to 7C.