A fire sparked Friday on Colorado’s Western Slope in Grand County and grew to 6,726 acres by Wednesday as nearly 100 personnel fight it, according to the U.S. Forest Service.

As of Wednesday it is 3% contained, officials say.

The Williams Fork fire is displaying extreme fire behavior as it continues moving northeast, according to officials.

The fire was burning in the Southern Williams Fork Valley on U.S. Forest Service land and prompted mandatory evacuations about 5 p.m., the Grand County Office of Emergency Management said on Facebook.

The Williams Fork fire west of Idaho Springs.

County officials also ordered the evacuations of nearby campgrounds, Sugar Loaf and South Fork and several road closures.

The fire was burning in beetle-killed trees and air support has been called in, the Forest Service said on Twitter.

It is the fourth fire to start in Colorado in recent days.

Residents near Spring Valley, south of Glenwood Springs and north of Carbondale, were evacuated for yet another wildfire, the Red Canyon fire, formerly named Fisher Creek fire, according to the Carbondale & Rural Fire Protection District.

Officials say the fire is 30-40 acres. Residents in the High Aspen, Coulter Ranch and Homesteads Estates were evacuated to the Roaring Fork High School.

The Garfield County sheriff announced on Twitter that the evacuations were lifted and the fire is controlled Wednesday at 8:16 p.m.

– Grizzly Creek fire spares Hanging Lake but keeps I-70 closed

– Cameron Peak fire west of Fort Collins forces evacuations

– Pine Gulch fire just will not quit as it burns nearly 75,000 acres

– 12 biggest wildfires in Colorado history

The Williams Fork Fire sparked Friday on Colorado’s Western Slope in Grand County and grew to 1,300 acres by the evening, according to the U.S. Forest Service.

The Williams Fork Fire sparked Friday on Colorado’s Western Slope in Grand County and grew to 1,300 acres by the evening, according to the U.S. Forest Service. Photo courtesy of the forest service.

The Williams Fork fire burning in Grand County had grown to 250 acres Friday after starting earlier in the day. The fire was burning through beetle-killed trees, according to the U.S. Forest Service. 

Taken at 3:30 p.m. Saturday on CR 3. Photo courtesy of the Forest Service.