The charity page set up by Philip Goodeve-Docker ahead of his trek across Greenland has attracted in excess of £6,000 as strangers continue to honour the adventurer.
Mr Goodeve-Docker took on the challenge in a bid to raise £4,000 for The Queen's Nursing Institute but died on Sunday after he and his two teammates Roan Hackney and Andy Norman got into difficulty.
More top news
Mayor of London Sadiq Khan is backing the scheme.
Sunday will be a fine day across much of Scotland and northern England, with much less coastal mist and low cloud than yesterday.
A spokesperson said the lightning strikes had left the "aircraft fuelling system unavailable."