The TWO 2m temp GEFS charts don't currently cover France.

PS: The new Chart viewer interface is easier to use IMO, but there's nothing wrong with using the old one you've linked above.

http://www.theweatheroutlook.com/twodata/gefs.aspx

The GFS continues to pump in the heat from Tuesday.

32-33c (90-91f) quite probable by midweek in the south.

A chance of a glancing thundery blow too for a time before the high settles back, the heat stagnates in its inversion under a strong mid July sun and we import low level fierce heat from a furnace like near continent.

Actual weather porn. Thanks Steve. :) 

 Off to take a look at the GFS12z now. Hope it doesn't disappoint after that build up.

Im hard now. 

12z op is stunning. 

I'm going to take a look.  I'll be back in 5 minutes.

Take some tissues with you

I can affirm the 12z is suitably stimulating from a settled and warm perspective, particularly for the south.  It will be interesting to see how temperatures respond to the baked earth (notwithstanding today's rain) and I suspect that under clear skies and light winds we will readily be seeing temperatures around 3 to 5 degrees above these Wednesday predictions from the hi res GFS 12z:

pmsl 

GFS maximum temperatures are notoriously crap - you can usually add a couple of degrees at least onto its values. 

Agreed. And in the current setup probably 5C or more.

Here is the ARPEGE temperature chart for Sunday afternoon. 29C in Central London.

http://modeles7.meteociel.fr/modeles/arpege/arpegeuk-41-99-0.png?12-19

GFS goes for 22C in London. Highest of 23C in Norfolk.

http://modeles2.meteociel.fr/modeles_gfs/runs/2017071212/102-582UK.GIF?12-12

Don't pay any attention to the GFS temperature figures. They are useless.

I know what you mean we are 200 miles from record breaking temps. Still low 30s though.

http://old.wetterzentrale.de/pics/Recm1682.html

I take it you've purged your mind of memories of tomato farms?

I don't think prognosed temps by models in general are aiming to be spot on accurate, but more as a rough guide as to what to expect. For the record though, I often find that the GFS is more closer the mark regarding maxima/minima in the short-medium term than the ECMWF for my region, which, in my opinion, underestimates both more so than the former.

Oh dear. GFS 18z has this for about 9 days time:

http://max.nwstatic.co.uk/gfsimages/gfs.20170712/18/222/hgt500-1000.png

This low is shown as arriving next Wednesday. Urgh!

A quick glance at the other models and they don't look as bad, but I hope this isn't a sign of the heatwave idea being dropped.

Yes. A bit of a change this morning. The thundery low moving up from Biscay appears to (at least for a time) join forces with the Icelandic low cutting off the real heat after midweek.

The likely outcome is that the Azores High will ridge in soon after but as things stand this morning words like furnace, fierce, continental feed and other hot weather porn related words are being put on hold. 

My first thoughts when looking at ECM was great! The high pressure is slipping east allowing a very hot flow of air. But as the frames roll on that clearly puts us in harms way with low pressure moving in from the west. 

I'd rather have HP slap bang over the UK giving a proper settled spell. 

Still time for a change back.