A quick update between two periods of unsettled weather.
Following the large dump of wind affected snow at the beginning of the week, (between 40 and 80 cm depending on altitude, plus drifting), on Thursday night it rained night up to 2300m, with some snow falling above this.
From Thursday morning onwards, some off piste skiing was possible near to the lifts. By Friday, probably some ski tours being done. (There was a track towards the Col du Passon, no further information.)
The Valley Blanche was also done. The return route to Chamonix has much improved, (snow quality variable, some rocks between the ice cave and the exit from the glacier, and on the bends down from the Mottets buvette, one section of walking.)
The large drifts and the presence of weak layers on certain slopes means great care is needed in the choice of route. The forecast is for heavy rain above 2000m, starting on Saturday. This will moisten the snow cover.
There is very little recent information concerning the icefalls. Conditions have not changed much since the last update, (still climbing on the true left bank of the Argentière glacier, the Crèmerie, etc.).
Due to the fresh snow and the very short weather windows, there has been no activity in the high mountain.
Finally, the marked snowshoe trails are feasible, including those in the base of the valley.