There is a mixed picture for the weather in the UK this afternoon. In the south it is grey and murky but generally dry. In northern England bands of rain being scattered spells of wet weather, meanwhile in Scotland there are some sunny skies to be seen but there are also showers approaching from the west. - This is the Met Office UK Weather forecast for the afternoon of 21/01/2025. Bringing you today’s weather forecast is Aidan McGivern.
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00:00Hi there. During the rest of Tuesday it's relatively quiet across the UK ahead of a
00:06potentially disruptive system arriving by Friday now named by the Met Office as Storm
00:11Erwin. Here's how Storm Erwin evolves. It's a fairly classic setup in which we've got
00:17cold air outbreak across North America clashing with much warmer air further south strengthening
00:23the jet stream to speeds of more than 200 miles an hour or even 250 miles an hour in
00:29places and that tends to pick up this area of low pressure which meanders across the
00:34Atlantic for a day or so before it crosses onto the cold side of the jet stream and rapidly
00:39deepens and look at how many isobars are on that low by the time it reaches northwestern
00:44parts of the UK by Friday. So northern and western parts of the UK certainly at risk
00:50of disruption from this system and warnings have already been issued. I encourage you
00:55to stay up to date with those Met Office weather warnings over the next few days because I'm
00:59sure they'll be updated and we'll keep you updated right here at the Met Office on our
01:03social media channels and YouTube. But for the time being, Tuesday afternoon relatively
01:09quiet compared with what's to come. A lot of cloud remains across England and Wales.
01:13Some moderate to heavy rain for North Wales into northern England along with a decaying
01:18and slow moving frontal system. One or two light showers towards the southwest but there'll
01:23also be showers into western Scotland and Northern Ireland. These will be slow moving
01:27away from the showers across Scotland and Northern Ireland. Some decent sunny spells,
01:31the best of which will be across eastern and southern Scotland as well as eastern parts
01:35of Northern Ireland. 7 or 8 Celsius in the north. I think 4 to 5 where we've got some
01:40stubborn low cloud further south and some mist continuing into the afternoon. Little
01:46change or at least slow moving changes overnight. The front across central areas slowly starts
01:52to move south. Meanwhile, thickening of the cloud in the south will bring some outbreaks
01:56of rain to southern England into the Midlands and East Anglia. This patchy rain also accompanied
02:02by some mist or even fog in places. Further north, Scotland and Northern Ireland under
02:06any clear spells because of relatively light winds, we will see a few frost and fog patches
02:13by dawn with the lowest temperatures expected across eastern Scotland. Otherwise, mostly
02:19three or fours across the country. Now we start Wednesday with a lot of cloud once again
02:24through central and southern parts. The Midlands, East Anglia and the south sees patchy drizzly
02:30rain for a time before brighter skies arrive from the north and west and some decent sunshine
02:36at last for Wales and western England at least. Scotland and Northern Ireland still seeing
02:41one or two showers and the odd shower turning up into western coasts as well. But eventually
02:45by the end of the day, the cloud and rain is starting to peel away from the south. It's
02:50going to feel a little bit colder I suspect in places although more pleasant where we
02:55do manage some sunshine. And then into Wednesday evening, those clearer spells across northern
03:01and western parts of the country do become more widespread. As a result, some frost and
03:06fog to wake up to by Thursday although Thursday brings with it a spell of rain that opens
03:12the door to the more changeable Atlantic weather with the very unsettled weather expected to
03:17come along for Friday. A spell of rain and for northern parts of the UK, hill snow and
03:23those disruptive winds that I already mentioned. Stay up to date right here at the Met Office.