Above: Wildfire smoke, at 7:22 a.m. MDT July 25, 2017. (Originally published at 7:45 a.m. MDT July 25, 2017) Smoke from wildfires is affecting most of Canada, the Great Lakes area, and the central and north-central United States. The National Weather Service has issued Red Flag Warnings or Fire Weather Watches on Tuesday for areas … Continue reading "Wildfire smoke map and Red Flag Warnings"