Issued: 0900hrs Satudray 26th May 2012
Duty forecaster: Simon Keeling
The pressure flow become slack through the week with the airmass becoming moe unstable. This leads to an increase risk of showers. By the second half of the week temperatures will be falling slightly as the winds turns to the north. With pressure building again there will be dry weather for the weekend, the best sunshine in the west with eastern coasts prone to low cloud.
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Pressure remains fairly high bugt slack for all on Tuesday. There is likely to be more cloud around than recent days through Scotland, northern and eastern England. A few spots of rain in these places too. Further west and south it should be a bright start, but scattered heavy showers forming here in the afternoon. Highs at a cooler 18 to 22C.
A slack pressure flow again through Wednesday. There will be broken cloud through the morning, with some sunny spells. However, showers developing in the afternoon, and some of these could be heavy and thundery at times. Highs at 14C in northern Scotland, 22C in southern England.
A cooler day seems likely for all on Thursday. High pressure will be north of the country, although a small area of low pressure may drift south bringing some cloud and showers to eastern and central parts. Further west it should be dry with the best of any sunny spells here. Highs at 10C on eastern coasts, 19C in southwest England.
The area of high pressure builds through Friday, probably being centred over Scotland. The northeast flow continues to bring cooler weather and the chance of some cloud onto these coasts, but further west and south conditions will be brighter. Highs at 9 to 19C.
Good agreement between the models in making Saturday a fine day with high pressure in control of the weather. Eastern coasts might have some low cloud again, with the best sunshine in the west. Highs at 9C on eastern coasts, 19C in the southwest.
A fair day again through Sunday for most. There will be good spells of sunshine, the best to the west. There could be a few showers over southeastern areas of the country. Highs at 10 to 20C.