Controlled Burn Escapes Containment, Sparks Wildfire Near Rexburg, Idaho; Multi-Agency Response Brings Blaze Under Control
A controlled burn that originated in Jefferson County, Idaho, crossed the river Thursday afternoon and ignited an active wildfire in Madison County near Rexburg, triggering emergency alerts, evacuation preparation orders, and a coordinated multi-agency response before crews brought the blaze under control by Thursday evening.
The fire, which authorities later identified as the Snake Fire, was first reported around 2:30 p.m. after Jefferson County officials alerted Madison County that a brush fire burning on their side of the river had the potential to spread. The fire subsequently jumped the river, igniting vegetation on the Madison County side and prompting an immediate law enforcement and firefighting response.
Deputies Deploy Marine Units to Shuttle Firefighters Across River
Madison County Sheriff’s Office Detective Christian Teague confirmed the fire’s origin and explained how local deputies contributed to the response effort. “It’s a controlled burn that started actually in Jefferson County, not even in Madison County,” Teague said. “It just got out of hand and worked its way up north.”
As the fire crossed into Madison County, deputies did not wait for the flames to approach structures before taking action. Two patrol boats carrying marine deputies were deployed to the river, where they spent several hours ferrying firefighters to both banks to allow crews to attack the blaze from multiple angles.
“It ended up crossing the river onto the Madison side,” Teague said. “We had two of our boats go down with our marine deputies, and they were actually — they just cleared about 10 minutes ago — but the entire time they were shuttling firefighters around the river to try to get to the fire from both sides.”
Teague credited the marine operation as the Sheriff’s Office’s most significant contribution to the overall response. “Our biggest contribution I think was probably just the marine deputies shuttling firefighters around,” he said. “That doesn’t happen very often.”
Evacuation Alert Issued, Then Lifted as Fire Is Contained
As the fire spread quickly through dry brush, authorities issued an emergency alert to residents in the area and began preparing for a possible evacuation. Teague said officials acted swiftly once it became clear the blaze could threaten nearby properties.
“So, at that point, we had to do our IP pause alert just for a possible evacuation,” Teague said. “They feel like they’ve got it pretty well contained enough that we lifted that alert.”
By 7:39 p.m., the Madison County Sheriff’s Office announced that evacuation preparation orders had been lifted and that fire command had reported the blaze contained. No structural damage was confirmed. “None that I know of,” Teague said when asked about damage to homes or outbuildings.
Law enforcement personnel cleared the scene Thursday evening, leaving firefighting crews in charge of ongoing operations. “For the sheriff’s office, we’re not on scene anymore. We’ve cleared. It’s just a fire operation now,” Teague said. Crews are expected to remain in the area for several days to monitor hot spots and prevent the fire from rekindling.
“They plan on being out there for the next several days, because there’s just so many hot spots,” Teague said.
This incident is not isolated. As Bonneville County News previously reported, Idaho’s Snake Fire was confirmed to have been sparked by an out-of-control controlled burn near Rigby, and a separate containment effort along the Snake River near Rigby reached 10 acres before evacuation notices were lifted. The pattern raises growing concerns about controlled burn safety protocols during periods of elevated fire risk across the region.
What Comes Next
Firefighting crews are expected to remain stationed near the Madison County fire site for several days as teams work to fully extinguish hot spots and ensure no flare-ups occur. Idaho faces below-average snowpack conditions this year, increasing the risk of dry fuel accumulation across the region and raising concerns about early-season wildfire activity as temperatures rise heading into summer. Residents in Jefferson, Madison, and Bonneville counties are encouraged to monitor local emergency alerts and exercise caution with any outdoor burning. For statewide wildfire coverage and fire risk updates, visit Idaho News.