From today’s Missoulian (we *ahem* covered this four days ago) . . .
The smoke we’re seeing in western Montana is coming from wildfires in British Columbia
Bridget DeRosa of the National Weather Service in Missoula said that while it was hazy in the Missoula and Bitterroot valleys, visibility was still more than 10 miles on Saturday. But it was reduced to 6 miles in the Flathead Valley around Kalispell.