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Alder creek, Trail Creek, & Sand Lake Fire Updates 09/23/2021

Northern Rockies Team 4 will start to arrive over the next few days. They will shadow Team 6

on Friday before assuming command of the fires at 6 AM on Saturday, September 25, 2021.

TRAIL CREEK FIRE: Size 56,743 Acres 50% Containment

Yesterday, fire behavior was moderate with backing and flanking surface fire within the Nez Perce creek, May creek, and the upper Cabinet Creek Drainage areas. Over the next few days, firefighters will continue to look for more opportunities to go direct and improve containment lines. Engine crews will patrol the north side containment lines and mop up any hot spots. In the contained areas of the fire, crews are working on line repair and rehabilitation. Structure protection remains in place, monitoring fire behavior and evaluating


ALDER CREEK FIRE: Size 35,412 Acres 45% Containment

Crews are using natural control features to prepare and construct indirect line on the north side of the fire. The fire was backing and flacking toward control features in the Sawlog creek and Calvert creek areas. Firefighters will stay in the area throughout the day, monitoring and evaluating structures and mopping up any hot spots. On the eastern edge of the fire, crews are shifting their focus to line repair and rehabilitation. Firefighters and heavy equipment are removing hazard trees and cleaning up downed trees and brush. Additionally, crews are removing hose lays and pumps that are no longer being used and are sending them

back to the National Cache for cleaning and made available for other fires.

SAND LAKE FIRE: Size 228 Acres 0% Containment

Fire growth and activity on the Sand Lake fire continues to be minimal. The fire will be monitored by air resources.


The public can expect to see smoke coming from the interior pockets of the fire line until the area receives considerable precipitation or moisture. Firefighters attack the fire directly where it is safe to do so and engage indirectly in areas where it is too steep or dangerous.


Cooler temperatures are expected today, with continued dry and breezy west to northwest winds contributing to moderate fire behavior. The high-pressure system will bring another cold night tonight but expect a warming and drying trend through the end of the week.


U.S. Route 93, Highway 43 (Chief Joseph Pass to Wise River), and the Pioneer Scenic Byway

are OPEN to through traffic. Watch for trees, rocks, and critters on the roadways. Travel with caution and remember school has started in the local communities, and hunting season is ongoing.


Portions of the Continental Divide Trail remain closed. The Big Hole National Battlefield is closed until further notice. May Creek Campground and Steel Creek Campground are closed.

Closure orders remain in effect on the Salmon-Challis National Forests, the Beaverhead-Deerlodge National Forest, and the Bureau of Land Management. View the updated closure orders on the respective agency websites and the fires' Inciweb pages.

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