17/06/2017 Weather for the Week Ahead

It's been a week of settled, summerlike weather for most of us,

with little significant rainfall yet again across the country.

The reason being the position

of the Jet Stream, which is sat out

in the Atlantic, a defined kink,

drifting or deflecting low pressures

up into the north-west

and that's where we've seen

some outbreaks of drizzly rain.

As we move into the weekend,

the Jet Stream evens out a little.

We'll see the weather improving

a touch for central and southern Scotland,

high pressure certainly the main headline story

for the weather.

That's going to drag up this very hot air

from the Azores.

We're likely to see temperatures

across parts of Iberia

peaking in the mid-40s

over the weekend.

That means, potentially,

the mid-30s across France and that means,

for central and southern parts of England and Wales,

we could see high 20s - maybe, in some spots,

in excess of 30 degrees plus.

We start off on Saturday, then,

hardly a cloud in the sky across England and Wales.

Again, that south-westerly breeze

driving in moisture, drizzly rain

to the north-west of the Great Glen

and some misty conditions here.

Temperatures a little more disappointing,

but we could see high 20s, possibly,

across much of the south-east.

The high stays with us.

It's going to be a pretty humid night,

Saturday into Sunday morning.

Still that weather front up into the north-west,

and we could see some misty, murky conditions

along west-facing coasts

first thing on Sunday morning.

It's going to be a pretty sticky night,

difficult for trying to get a good night's sleep,

11 to 18 degrees, the lows.

Again, those temperatures will plummet up

as we go through the day,

particularly with plenty of sunshine

and little in the way of fair-weather cloud.

Dragging in that drizzle up into the north-west,

poor visibility along the coast here.

14 or 15 degrees,

but into eastern Scotland,

we'll start to see some warmth coming through,

low 20s, possibly 30 degrees

likely in the south-east corner.

As we move out of Sunday into Monday,

some subtle variations - this weather front

will slowly start to drift its way

back south again,

so that's going to introduce more

in the way of cloud across Scotland

and Northern Ireland, some showery outbreaks

of rain, potentially, as well.

We still keep the heat across England and Wales.

Just a slim chance, maybe,

of seeing an isolated thunderstorm crop up,

but with the sunshine,

we keep the heat, 30 degrees.

The fresher conditions starting to creep

a little bit further south,

and that'll be the story as we move out

of Monday into Tuesday.

That front sinks south.

A weak affair, but it's a cold front.

It's going to introduce fresher air

across the country, particularly running in

off the North Sea, with more cloud here,

and so across those east coasts,

temperatures will drop a few degrees.

But we still keep the heat down to the south,

fresher to the north.

As we move out of Tuesday into Wednesday,

low pressure starts to push in from the Atlantic,

so there's potential on Wednesday

of seeing, maybe, more of a significant breakdown,

with some thundery detail.

So moving into Northern Ireland

and into west-facing coasts

by the end of the day on Wednesday.

Here, 13 to 18 degrees.

A little bit fresher, as well, further south,

mid 20s possible.

Further ahead, the six- to ten-day period,

into next weekend, it looks likely

that the high pressure may drift off

into the near continent,

allowing to open the door

for low pressures to move in from the Atlantic.

A lot of uncertainty on this,

but if that happens,

we could see more significant rainfall,

some thunderstorms developing from the west.

So it looks likely that things may well turn

a little more unsettled,

the risk of some sharp, thundery showers

and certainly it will turn noticeably fresher.

That's a long way off. Enjoy your weekend, bye-bye.