Thornton Fire Forces Evacuations, Closes I-25 Near Denver as Smoke Spreads

Emergency crews respond to the Thornton fire as thick smoke rises over the area near Interstate 25 in Colorado.
Credit – 9 News

A fast-moving fire in Thornton, Colorado, forced emergency evacuations Friday, closed a busy section of Interstate 25, and sent a large plume of smoke across parts of the north Denver metropolitan area. Firefighters, police officers and other emergency personnel remained on scene as officials worked to protect nearby homes, businesses and schools while monitoring changing conditions.

Evacuations ordered near 84th Avenue and Huron Street

The fire was reported near 84th Avenue and Huron Street in Thornton. As smoke spread through the area, police began evacuating nearby neighborhoods and businesses. Officers went door-to-door in communities northeast of the fire to ensure residents were safely moved away from the affected zone.

Pinnacle High School was among the locations impacted by the emergency. School officials implemented a controlled release, allowing students to leave campus in an organized manner. Families were directed to reunite with students at the Pinnacle Event Center, reducing congestion around the active emergency response.

Authorities also designated Water World as a temporary gathering location for residents who had been displaced and could not safely return home while crews battled the fire.

Interstate 25 closed as smoke affects travel

The Colorado Department of Transportation (CDOT) temporarily closed Interstate 25 in both directions between 104th Avenue and U.S. 36. The closure disrupted traffic along one of the busiest transportation corridors serving the north Denver metro area.

Officials urged motorists to avoid the area and use alternate routes until firefighters could safely contain the incident. Heavy smoke reduced visibility in several locations, making travel conditions more difficult for commuters.

Emergency response continues as officials monitor conditions

Wildfires and fast-moving vegetation fires can shift direction quickly depending on wind, temperature and nearby fuel sources. Because of that, emergency agencies often issue precautionary evacuations before flames reach populated areas, helping reduce the risk to both residents and first responders.

Authorities said evacuation orders, road closures and access restrictions could change as firefighters continue assessing the situation. Residents are encouraged to follow official instructions and remain alert for additional emergency notifications.

For the latest official highway information, visit the Colorado Department of Transportation. You can also follow ongoing breaking stories and emergency updates through the latest news homepage.

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