The Met Office suggest the worst of the conditions won't hit until after you've taken off.
http://www.metoffice.gov.uk/public/weather/forecast/london-gatwick-airport-west-sussex#?tab=fiveDay
What time are you flying?
Actually, if flights weren't interrupted yesterday I doubt if tomorrow will be a problem. It's fog or snow that really causes problems; unless the roads get screwed up and you can't get there!!
Yes, it's those crazy weather obsessed fools again.
According to some pernickety meteorologists that radar image isn't even from this year. Why let facts get in the way of a good story.
Friday and Saturday don't look great to be fair