Smoke continued to hang in the air in Billings on Saturday, although that could change by Sunday or Monday.
A lack of wind has allowed the smoke to settle in Billings and the surrounding area, said Todd Chambers, a meteorologist with the Billings office of the National Weather Service. Much of the smoke has flowed into the state from the middle of Idaho, where several large fires continue to burn, Chambers said on Saturday evening.
Despite that, the air quality in Billings remained good on Saturday evening, according to the Montana Department of Environmental Quality. Cities north and east of Billings, including Great Falls and Helena, had air quality that might be unhealthy for sensitive people, and the air quality in Missoula was rated as unhealthy.
Winds should pick up in Billings on Sunday or Monday ahead of a cold front that is expected to make its way into the Billings area on late Tuesday afternoon, Chambers said. The cold front could bring with it some precipitation.
The winds should push the low-level smoke out of the area for at least a few days, Chambers said. At least some mid-level smoke will probably remain.