In reply to get to the punchline:
The becks respond really quickly to rainfall
There is nothing left on the fell from Desmond however the rain that currently falling will keep the becks high tomorrow
Given the forecast for the weekend I don't think you should have too much trouble with becks at weekend, plenty water but not flooded (of course you need to assess on the day)
This app is great but most of the stations are lower down catchments
http://www.gaugemap.co.uk/#!Map
Or
01946 726220 (Wasdale). Ring wasdale campsite for details
Post edited at 21:05
