Americans in at least eight states face potentially unhealthy levels of air pollution on Wednesday, official data shows. The data is shown in a live map from AirNow—a partnership of multiple U.S.

Much of the Upper Midwest on Saturday was dealing with swaths of unhealthy air due to drifting smoke from Canadian wildfires, ...

View the latest weather forecasts, maps, news and alerts on Yahoo Weather. Find local weather forecasts for Bigfork, United States throughout the world ...

View the latest weather forecasts, maps, news and alerts on Yahoo Weather. Find local weather forecasts for Helena, United States throughout the world ...

The Missoula County Public School board Tuesday approved spending up to $1 million to cover programs and teaching positions ...

A team of private-sector outdoorsmen and another of Yellowstone National Park personnel and volunteers are preparing missions ...

The alert comes as humidity is expected to increase Tuesday, with high temperatures in the mid 80s to low 90s, with heat indices reaching 100 by Wednesday.

The aluminum plated roll-top style is great for allowing full access to the bed to store bikes, while keeping snow and sticky ...

Montana gets 2,913 new quadrangles, also known as 7.5-minute maps, that hikers, hunters and other ground-pounders rely on for close-detail navigation. Alaska also got an update last week.

According to a map of drought conditions from Windy.com, the areas experiencing the most intense drought conditions as of Friday morning included parts of Utah, Arizona, Nevada, California, Colorado, ...

Wisconsin, Minnesota and Indiana all have air quality alerts, while Chicago's air quality currently ranks in the "unhealthy for sensitive groups" category.