Firefighters are responding to several reports of lightning-sparked fires in Boulder County.
The U.S. Forest Service is considering policy changes following the third fire this year in a canyon northwest of Boulder.
The U.S. Forest Service says a fire in a canyon north of Boulder is believed to have started with a camp fire.
The Maxwell Fire burning in Lefthand Canyon was 40 percent contained at 3 p.m. Monday. The fire has burned 100 acres.
More than 300 homes received reverse 911 calls Sunday evening at about 6:30 p.m. ordering mandatory evacuations because of a fire burning in Lefthand Canyon in Boulder County.
Fire crews fighting the wildfire burning in Lefthand Canyon will remain on the fire lines over the weekend. Firefighters have been facing challenges like heat, steep terrain and the threat of rocks falling from above.
Firefighters are fighting a grass fire burning up Lefthand Canyon in Boulder County. The fire started at about 12:45 p.m. Thursday.
Two helicopters and an air tanker will be helping 150 firefighters as they try to finish containment on a wildfire in the foothills west of Boulder.
The Lefthand Canyon Fire is 60 percent contained. All evacuations except for an estimated 15-30 homes have been lifted. The wildfire has burned 400 acres since it broke out in the foothills west of Boulder Friday morning.