Issued: 0900hrs Sunday 4th July 2021
Duty forecaster: Garry Nicholson
Southern Britain becoming mainly dry and warm
A deep area of low pressure moves across Britain late Monday into Tuesday, bringing a period of heavy rain and gales in places. Some improvements as the week progresses, although showers will continue for a day or so. Temperatures warming up across southern Britain as high pressure starts to build here.
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Tuesday's weather system clears away eastwards, although the country remains beneath a generally showery weather pattern. Sunny spells and some locally heavy bursts of rain are expected, although Ireland and some western areas of Britain should see an improvement in conditions as the day progresses as higher pressure ridges in from the Atlantic. Feeling fresh with a westerly breeze, 15 to 21C.
Ridging high pressure continues to influence better conditions on Thursday, although there will be some developing showers, these mainly towards southern and eastern areas, locally heavy in the afternoon, but quite hit and miss, with plenty of dry conditions and sunny spells about for other regions. Mostly light winds. Feeling a bit warmer, especially in the south. Highs at 17 to 23C.
Pressure is likely to stay fairly high toward the south, maintaining a generally fair day for many places, although a few showers remain possible, mainly toward the east. Sunny spells and variable cloud, sunniest around the coasts in the afternoon. Mostly light winds, a freshening southwesterly in western Scotland and Ireland may bring thickening cloud and a little rain later. Highs 19 to 25C.
A west or southwesterly breeze across northern regions brings cloud and periods of rain into western Scotland and Ireland, whilst much of England, Wales and eastern Scotland should be drier and warmer. Top temperatures 22 to 25C, but nearer 16C in the western Scotland.
A westerly breeze may extend a bit further across Britain. Expect sunshine and a few showers, these most frequent toward the west and north, passing eastward by afternoon. Southeast England may stay generally dry and warm. Highs 16 to 23C.
High pressure toward the south and southwest is likely to keep much of southern England and Wales under fair conditions, but a risk of some cloud and rain moving in across the northwest of the British Isles. Highs