Here is a summary of the latest NWP output for noon (GMT) on Saturday. Issued 0339z, 29/05/12.ECMWF: http://www.wetterzentrale.de/pics/Recm1201.gifA ridge covers the UK, leading to light winds on both days 5 and 6. There's a col on day 7, followed by a weak trough on day 8. Another col affects the UK on day 9, followed by SE'lies and easterlies on day 10 as a trough moves northwards.MetO: http://www.wetterzentrale.de/pics/Rukm1201.gifMetO shows northerlies and NE'lies on days 5 and 6 due to a ridge to the NW.GFS: http://www.wetterzentrale.de/pics/Rtavn1201.pngThe UK lies under northerlies as the result of a high to the NW. There's little change on day 6, but a weak trough moves southwards on day 7, leading to northerlies for Scotland and Northern Ireland and WNW'lies elsewhere. Day 8 has WNW'lies, followed by a col on days 9 and 10.GEM: http://www.wetterzentrale.de/pics/Rgem1201.gifGEM has a ridge from the NW over the UK, leading to northerlies for Scotland and Northern Ireland and ENE'lies elsewhere.JMA: http://www.wetterzentrale.de/pics/Rjma1201.gifThe Japanese run brings a similar scenario to GEM, with a high to the NW and a mixture of northerlies and ENE'lies for the UK.In summary, the weekend will see high pressure to the NW and northerlies for many, with perhaps ENE'lies or NE'lies for a time in the south. Cold air aloft will move southwards over the UK, bringing the risk of frosts inland and of scattered heavy showers by day. Early next week a trough is shown to move southwards on both the ECM and the GFS output; this would bring a spell of rain for many as it moves southwards and weakens.
Thanks Darren. Could do without the frost