Sign of the Times?

This is the first time I've ever seen "weather permitting" on a sign like this.

I guess the heavy snowfall we saw up here in December and January has encouraged Aberdeenshire Council to be more frank with its citizens about what work might and might not happen according to the original plan.

What is more intriguing is that this sign has just appeared on a Friday evening. With the recent cutbacks in overtime, are the Council really planning to work over the weekend (weather permitting, of course) to get the job done?