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Custer Gallatin National Forest

Flood Watch issued July 14 at 7:49AM MDT until July 15 at 12:00AM MDT by NWS Great Falls MT

7:49 AM — 6:00 PM

* WHAT...Flash flooding caused by excessive rainfall is possible with thunderstorms this afternoon and evening. * WHERE...Portions of central, north central, and southwest Montana. * WHEN...From 3 PM MDT this afternoon through this evening. * IMPACTS...Excessive runoff may result in flooding of creeks, streams, and other low-lying and flood-prone locations. Flooding may occur in poor drainage and urban areas and near burn scars. * ADDITIONAL DETAILS... - Heavy rainfall produced by thunderstorms may lead to flash flooding. Rainfall rates in excessive of 1 inch per hour are possible under heavier thunderstorms. - Some locations that may experience flooding include... The Horse Gulch burn scar, Great Falls, Bozeman, Helena, Lewistown, Townsend, Fort Benton, White Sulphur Springs, Cascade, Big Sandy, Stanford, Lincoln, Belgrade, East Helena, Three Forks, Manhattan, Belt, Geraldine, Denton, Hobson and the Horse Gulch burn scar. - http://www.weather.gov/safety/flood

Extreme Heat Warning issued July 14 at 3:26AM MDT until July 15 at 12:00AM MDT by NWS Billings MT

3:26 AM — July 15th, 12:00 AM

* WHAT...Very hot daytime temperatures combined with warm overnight lows will produce cumulative heat stress. * WHERE...Portions of central, south central, and southeast Montana. * WHEN...Until midnight MDT tonight. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. * ADDITIONAL DETAILS...It will be very hot today with high temperatures of 96 to 103.

Extreme Heat Warning issued July 14 at 3:26AM MDT until July 16 at 12:00AM MDT by NWS Billings MT

3:26 AM — July 15th, 3:30 AM

* WHAT...Very hot daytime temperatures combined with warm overnight lows will produce cumulative heat stress. * WHERE...Portions of southeast Montana and north central Wyoming. * WHEN...Until midnight MDT Wednesday Night. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. * ADDITIONAL DETAILS...It will be very hot today and Wednesday with high temperatures of 98 to 105. Very warm nighttime temps will provide only limited relief.

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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