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Thursday 20 July Published at 09:31
Issued by the Met Office
YELLOW WARNING OF RAIN and STRONG WINDS for Wales and Southwest England
Valid from 05:00 Fri 21 July to 19:00 Fri 21 July
A brief spell of heavy rain and strong winds could lead to difficult travel conditions, as the summer holiday season starts for some. Standing water and spray may make journeys longer, and could lead to minor surface water flooding. Winds could be sufficiently strong to cause some bridge restrictions, and bring down branches from trees. Conditions could also be hazardous for those engaged in outdoor activities.
About the Met Office Weather Warnings
The Met Office warns the public and emergency responders of severe or hazardous weather which has the potential to cause danger to life or widespread disruption through the National Severe Weather Warning Service.
The Met Office issues warnings for rain, snow, wind, fog and ice. These warnings are given a colour depending on a combination of the likelihood of the event happening and the impact the conditions may have.
For more information, see the Met Office Weather Warnings Guide.
About Flood Warnings
The flood warnings are issued by the Environment Agency, the Scottish Environment Protection Agency and Natural Resources Wales, and sent to the BBC Weather Centre. We then issue a compendium of warnings based on the latest information available. When severe flood warnings are issued they will also be highlighted on TV broadcasts.
Find out more about Flood Warnings
There are a number of ways you find out whether your area is at risk from flooding. The Environment Agency, the Scottish Environment Protection Agency and Natural Resources Wales update their warnings 24 hours a day via the Floodline number.
Floodline - 0345 988 1188
Monday 17 July Published at 10:00
Looking ahead to the next month of weather!
It was a very mixed bag of weather last week and for the final week of Wimbledon, but despite some very heavy rain across the southern half of the UK on Tuesday, luckily the Championships of 2017 won't be remembered for rain delays but rather the fabulous display of tennis that has been on show! But what will the next month have in store for us? Read on to find out more...
Monday 17 July—Sunday 23 July
Two fine days and a thunderstorm!
In a very traditional style, this week is set to fulfil the old summer saying "two fine days and a thunderstorm". Monday and Tuesday will start dry and fine with temperatures building day on day - by Tuesday we could see highs in southeast England approaching 30 Celsius. From late on Tuesday we will start to see thunderstorms approaching from the south and moving north. There will be more thundery showers on Wednesday with the potential for some torrential downpours, though it will still be a very warm day. There is high uncertainty regarding the exact locations of the thunderstorms, but inside the showers there could be some very heavy rain, whereas in the sunnier spells it will feel hot. By the end of the week, though, we will all have a fresher feel with some further outbreaks of rain, especially in the north.
Monday 24 July—Sunday 30 July
Summer set to make a return.
As we look ahead to the end of July, many places should see a continuation of dry, fine and warm weather. Southern parts of the UK are mostly likely to see spells of rain with the chance of heavy, thundery showers pushing north from the near continent. However, the timing and exact location of these potential thunderstorms is very uncertain at this early stage. We are all likely to see temperatures above the seasonal norm through this week, especially overnight, giving some warm and humid nights.
Monday 31 July—Sunday 13 August
A transition on the way mid-month.
At the start of August the dry and settled conditions look likely to continue at first with temperatures still remaining on the warm side. But towards the middle of the month we look likely to make a transition to wetter and windier conditions. This transition is likely to spread in from the northwest, which will start to allow a north-south split to develop. Southern parts are likely to see the best of the drier and brighter weather, whilst northern parts of the UK look favoured to keep more unsettled spells of weather, especially towards the middle of August.
We look ahead to the final two weeks of summer.
Monthly forecastingThe weather beyond about a week ahead stretches even the most experienced weather forecaster. Complex numerical weather forecast models from the Met Office and the European Centre for Medium-Range Weather Forecasts (ECMWF) are run many times for the month (and season) ahead to build up a picture of the likelihood of different weather types affecting the UK.
Next update at 10:00, Monday 24 July
Thursday 20 July Published at 02:34
Unsettled at times over the coming days.
Cloud and patchy rain moving eastwards, clearing all but the far northeast during the day. Fresher and brighter conditions following in from the west. However, showers, perhaps thundery then spreading across Northern Ireland by the afternoon, reaching southwestern parts later.
Northeastern parts becoming drier overnight. Staying mostly dry elsewhere in the north and east, with clear spells. Further west, cloudy and windy with showers or longer spells of rain.
A mostly dry and bright day for central and eastern counties. Meanwhile, rain, heavy at times, will spread across western parts, inching eastwards as the day progresses. Windy in west.
Outlook for Saturday to Monday
Unsettled with showers, sometimes heavy and thundery, or longer spells of rain at times. However, some sunshine also likely. Feeling rather cool for most. Breezy at times too.