Here is a summary of the latest NWP output for noon (GMT) on Thursday.
Issued 0521z, 26th April 2009.

The end of the working week will see a weak trough moving eastwards across
the UK, bringing increasingly light rain as it does so. By the weekend a col
will affect much of the UK, with slow-moving showers likely.

ECMWF: http://expert.weatheronline.co.uk/da...mwf/ecmwf.html
The UK lies under a weak trough, with SE'lies over England and Scotland.
Wales lies under light and variable winds, as does Northern Ireland. A col
affects England and Wales on day 7, with SSW'lies elsewhere. On day 9 a high
builds to the SW, with WSW'lies for the UK.

MetO: http://expert.weatheronline.co.uk/da...ukmo/pslv.html
A mixture of SW'lies, westerlies and NW'lies covers the UK, due to a weak
ridge over Wales.

GFS: http://expert.weatheronline.co.uk/pslv_frame.htm
A col covers the UK, with light winds for all as a result. The col persists
on days 6 and 7, as lows are kept at bay by a large Scandinavian high.GEM: http://expert.weatheronline.co.uk/da.../gem/pslv.html
The Canadian run brings a low over the UK with light winds for all.

JMA: http://www.wzkarten.de/pics/Rjma1201.gif
The Japanese run shows a weak trough over the UK, again with light winds for
all.