Fifteen minutes later we were less confident, as we realised that the rumbling noise wasn't trucks on the road, and the horizon was dark grey rather than blue In order that we should get home before trouble arrived Susan and I hotfooted it outta there so as to miss driving in the rain in Célestine. On the way we had to stop for fuel in Richelieu which was where we noticed the clouds had got interesting.
South                     East                     NorthAbout an hour after we arrived home the clouds caught up with us, so there was a second round of taking photos and hoping they might actually show what we could see.
Although the sky was ominous we missed out on any damaging weather. We did get a heavy shower or two in the early afternoon, but the evening was clear, blue, hot and humid.
All of the photos will enlarge if you click on them - it really was the most sculptural sky we have ever seen except in the movies. The photos don't quite do it justice.