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Montana › Carbon County

Custer Gallatin National Forest

Air Quality Alert issued August 9 at 8:15AM MDT by NWS Great Falls MT

8:15 AM — August 10th, 9:00 AM

AQAMT The Air Quality Alert for Broadwater, Gallatin and Park Counties has been cancelled. For more information visit the Montana Department of Environmental Quality at www.todaysair.mt.gov

Air Quality Alert issued August 9 at 8:15AM MDT by NWS Great Falls MT

8:15 AM — August 10th, 9:00 AM

AQAMT The Montana Department of Environmental Quality has issued an air quality alert for Beaverhead, Deer Lodge, Flathead, Granite, Jefferson, Lake, Lewis and Clark, Lincoln, Madison, Mineral, Missoula, Powell, Ravalli, Sanders, Silver Bow counties in effect until 9AM on 08/10/2026 An Air Quality Alert means that particulates have been trending upwards and that an exceedance of the 24 hour National Ambient Air Quality Standard (NAAQS) has occurred or may occur in the near future. Elevated particulate levels from wildfire smoke As of 7AM on 08/09/2026, particulate levels in Columbia Falls are Very Unhealthy. As of 7AM on 08/09/2026, particulate levels in Dillon, Libby and Thompson Falls are Unhealthy. As of 7AM on 08/09/2026, particulate levels in Billings, Butte, Hamilton, Lewistown and Sleeping Giant are Unhealthy for Sensitive Groups. As of 7AM on 08/09/2026, particulate levels in Cut Bank, Frenchtown, Great Falls, Havre, Helena, Malta and Missoula are Moderate. When air quality is Very Unhealthy... State and local health officials recommend that people with respiratory or heart disease, the elderly, and children should avoid any outdoor activity; everyone else should avoid prolonged exertion. When air quality is Unhealthy... State and local health officials recommend that people with respiratory or heart disease, the elderly, and children should avoid prolonged exertion; everyone else should limit prolonged exertion. When air quality is Unhealthy for Sensitive Groups... State and local health officials recommend that people with respiratory or heart disease, the elderly and children should limit prolonged exertion. When air quality is Moderate... State and local health officials recommend that unusually sensitive people should consider reducing prolonged or heavy exertion. For more information visit the Montana Department of Environmental Quality at http://todaysair.mtdeq.us

Air Quality Alert issued August 8 at 11:39AM MDT by NWS Riverton WY

August 8th, 11:39 AM — August 10th, 12:00 PM

The following message is transmitted on behalf of the Wyoming Department of Environmental Quality, Air Quality Division, and the Wyoming Department of Health. * WHAT...Air Quality Alert for Wildfire Smoke. * WHERE...All of Western and Central Wyoming * WHEN...Now through Noon Monday. * IMPACTS...Smoke from western United States wildfires continues to be observed across much of western and central Wyoming. The smoke is limiting visibilities at times. HEALTH INFORMATION...The Wyoming Department of Health recommends that the elderly, young children, and individuals with respiratory problems avoid excessive physical exertion and minimize outdoor activities during this time. Wildfire smoke is made up of a variety of pollutants, including particulate matter and ozone, which can cause respiratory health effects. Although these people are most susceptible to health impacts, the Department of Health also advises that everyone should avoid prolonged exposure to poor air quality conditions. CURRENT CONDITIONS...The Wyoming Department of Environmental Quality, Air Quality Division offers near real-time air quality data for Wyoming's monitoring stations and health effects information to help the public interpret current conditions. Current air quality conditions across the state of Wyoming can be found at http://www.wyvisnet.com/.

Overview

Custer Gallatin National Forest is open and encompasses over 3 million acres of diverse terrain stretching across Montana and into South Dakota, spanning seven ranger districts and serving as a critical part of the Greater Yellowstone Ecosystem. Fire danger is currently LOW across all districts. The forest operates under a mandatory food storage order forest-wide—critical for bear safety in this bear country. Current notable restrictions and closures include: Glacier Lake Road (NFSR #2421) closed seasonally through late spring 2026; West Fork Fire area road/trail closure through December 31, 2025; a permanent pallet possession ban on Bozeman Ranger District to protect resources; and the Hyalite Porcupine Buffalo Horn Wilderness Study Area under over-snow vehicle restrictions per court order. Prescribed burns are planned October 2025 through May 2026 across districts. Recent severe storms caused trail damage in the Bridger Range, with Truman Gulch Trail partially closed. Recreational target shooting is permanently prohibited in Hyalite Creek Drainage. The forest offers extensive recreation from wilderness areas (Absaroka-Beartooth) to numerous campgrounds and rental cabins. Headquarters are in Bozeman with additional offices in Billings. Winter users should check avalanche conditions and note that some trails have seasonal bike/wheeled vehicle restrictions.

Campgrounds

ANDERSON CAMP Aspen Campground Baker's Hole Campground Bakers Hole Basin Campground Basin Montana Campground Basin Station Cabin Battle Ridge Campground Bear Creek Campground - Mt Beaver Creek Cabin Beaver Creek Campground Big Beaver Campground Big Creek Campground Blacks Pond Campground Cabin Creek Cabin Cabin Creek Campground Canyon Campground Cascade Cherry Creek Campground Chippy Park Campground Chisholm Campground Cinnamon Guard Station Cinnamon Lookout Colter Campground Cow Creek Campground And Picnic Area Crandall Creek Cabin Deer Creek Cabin Diamond Butte Lookout

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