Extreme heat, terrible air quality, and thunderstorms in your local forecast and last updated 2021-07-26 15:40:17-04 BOZEMAN â Short term weather concerns are centered around thick wildfire smoke and air quality issues over SW Montana and extreme heat. Air Quality Alerts are up until further notice for most of SW Montana. Incredible thick wildfire smoke pushed back into SW Montana Sunday afternoon and air quality rating at times continue to hit the unhealthy range between Butte, Bozeman, and Dillon. kbzk The flow aloft is pushing smoke into our region from fires across the western U.S. and Montana. This trend will continue through Tuesday but there could be some minor relief coming by Wednesday.