News Release
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Local crews were assisted again today by a 20-person USDA Forest Service Type 2 crew from Helena, Montana. The additional firefighters were recently released from another incident and reassigned here to aid with area fuels reduction work. They quickly pivoted to initial attack yesterday to assist with fire suppression, adding to the success in limiting fire spread.
Today’s efforts focused on securing and improving fire lines dug by firefighters yesterday. From there, crews worked into the interior of the fire to address any areas holding heat and to look for spotting potential. With gusty winds in the area, firefighters diligently watched for burning embers that could be transported from the main fire to unburned areas.
A helicopter flew hoses and portable pumps to the site this morning, allowing firefighters to draft and use water from a nearby pond to cool remaining hot spots. By early afternoon, hoses were placed around the fire's full perimeter. Aerial resources were also used to drop water as needed to address spotting detected yesterday.
Signal Mountain Road remains closed to public use due to fire vehicle traffic on the steep and winding road.
With hot and dry weather forecast for the next few days, fire officials remind all public land users be cautious with any possible source of ignition. Campfires need to be drowned and stirred repeatedly until cool to the touch before campers leave fires unattended overnight or depart from the site.
–NPS–
Note: this is an update to earlier news releases from July 26, below.Signal Flat Fire forward progress stopped
MOOSE, Wyo.–Teton Interagency Fire crews at Grand Teton National Park successfully stopped forward progress of the Signal Flats Fire, which started on the afternoon of Saturday, July 26. The estimated size of the fire is just under 8 acres. Signal Mountain Road will remain closed until further notice.
Aerial support from two helicopters played a key role in slowing the fire’s growth by dropping water from nearby Jackson Lake. Firefighters on the ground held the fire by digging fire lines around the perimeter.
Firefighters will continue to monitor the fire overnight. On Sunday, crews will focus on securing and improving existing fire lines and beginning initial mop-up efforts, using water pumped from a nearby pond to cool remaining hot spots.
A USDA Forest Service Type 2 Initial Attack crew from Helena, Montana, is assisting Grand Teton National Park with suppression efforts.
The cause of the fire remains under investigation.
An additional update will be provided Sunday, July 27.
–NPS–
Note: this is an update to an earlier news release from July 26 at 3:30 p.m. MST, below.
Crews responding to wildland fire near Signal Mountain
MOOSE, Wyo.–Grand Teton National Park wildland firefighters are actively responding to a wildland fire near Signal Mountain. Law enforcement rangers evacuated visitors from the top of Signal Mountain and along Signal Mountain Road. The road is currently closed to all traffic until further notice.
Park visitors are urged to avoid the Signal Mountain area, remain alert for emergency vehicles, and follow the instructions of park rangers and wildland fire personnel.
Smoke from the fire is visible from various locations within the park including Jackson Lake Dam and the Jackson Lake Lodge area.
Approximately 35 personnel are currently responding to the incident. Resources on scene include two fire engines, a Type 1 and a Type 3 helicopter.
As a reminder, it is illegal to fly recreational drones in Grand Teton National Park and over or near wildland fires.
Additional information will be provided as it becomes available.
–NPS–
Last updated: July 27, 2025