Saturday morning forecast 18/09/21

18 September - National weather forecast presented by Alex Deakin.

Transcript

00:00Welcome to your latest update from the Met Office. Broadly speaking, this weekend is

00:05a mixture of sunshine and showers. But I suspect most places will have a fine day on Saturday,

00:12so more sunshine. Then on Sunday, some of the showers are going to turn into fairly

00:18heavy downpours. And there's a Met Office yellow warning in place for that. What's going

00:23on? Well, it is fairly complicated. This weather front is weakening across the UK, but it's

00:27joined by another one. And this one gives the forward one a bit of a kick, more particularly

00:32so on Sunday. And that boosts the amount of rainfall it starts to produce once more. For

00:38the time being, though, that weather front is fizzling out. It's been bringing quite

00:40a wet scene across western Scotland through Friday. That rain transfers to eastern Scotland.

00:46So a damp evening across Aberdeenshire. The odd shower across western most parts of England

00:51and Wales. But for many, it's a dry night. It's turning quite misty and murky through

00:55parts of eastern England. Clearer skies in the northwest once that rain front moves

00:59through will allow it to turn a little chilly down to single figures. Well down into single

01:03figures in rural areas. But for most, we're in double digits and many urban areas will

01:08remain in the teens. On to Saturday, we start damp across northeast Scotland. That rain

01:13slowly fizzles out. The odd shower and a lot of cloud over parts of northern England, west

01:18Wales and the far southwest. But again, many places will be dry and bright. Mist and fog

01:24could take a while to clear. And then in this zone, of course, the Midlands, parts

01:28of southern England, Wales, up towards Lincolnshire. There is the threat of one or two scattered

01:33afternoon showers. We may see the cloud increasing across northern Ireland once more. But I say

01:39for many, it'll stay dry. There'll be bright or sunny spells and the winds remaining light.

01:44So in that sunshine, still a bit of power to it. Feeling quite pleasant with temperatures

01:48widely up into the low 20s, certainly across England and Wales. A little cooler for western

01:53Scotland and northern Ireland, but still 18, 19 likely here. During Saturday evening,

01:59still the threat of one or two showers over central areas. But that first weather front

02:03kind of gets reactivated. So we start to see some heavier bursts of rain developing and

02:08then perhaps joined by further showery rain coming up from the southeast. So Sunday's

02:14a bit of a mess. The second weather front bringing some rain into the west and then

02:18that first one bringing heavier rain over parts of the Midlands and slowly working into

02:22parts of eastern England and eastern Scotland. Some uncertainty about the progress and the

02:27intensity of the rain, but the potential, especially on Sunday afternoon across these

02:32eastern areas for some heavy showers and some thunderstorms. So that's where we have the

02:37Met Office weather warning in place. As skies brighten further west, temperatures could

02:42again climb up to 19, 20 degrees. And before the wet weather arrives over East Anglia,

02:47we could get up to the low 20s. But generally with more cloud on Sunday, it won't be as

02:51warm high teens for most. As I said that we do have that Met Office yellow warning

02:56in place from Sunday afternoon right the way through to Sunday night's Met Office yellow

03:02warning place for rainfall. Now, not everywhere in this zone we'll see those torrential downpours,

03:07but certainly there is the scope. We will fine tune that warning as we get closer to

03:11the time. So make sure you stay up to date with the very latest throughout this weekend.

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