BOULDER COUNTY, Colo. — Search and rescue crews in Boulder County are looking for a 27-year-old Arvada man who was overdue to return from a hiking trip on Wednesday evening.
At about 6:18 p.m. Wednesday, Boulder County Communications Center was notified of the missing man who started hiking that morning at about 9:30 a.m., according to a release from the Boulder County Sheriff's Office (BCSO).
The man, identified as Josh Hall, had departed from the Hessie Trailhead near Nederland, where his vehicle was found, BCSO said.
A cell phone ping put his phone near the continental divide trail at about noon on Wednesday, according to the release.
>Video above is a 9NEWS report from 2017 on hiking safety.
Members from BCSO and from the Rocky Mountain Rescue Group began searching for Hall, BCSO said. Crews were dispatched on skis, snowshoes and snowmobiles, working through the night, according to the release.
Members searching for Hall covered a large area of terrain on Wednesday, according to BCSO. Five teams of rescuers were deployed and worked throughout the night, the release said.
On Friday, BCSO tweeted that the search effort was still going on and that aerial searches had been grounded due to weather conditions.
Hall was last seen wearing a green khaki jacket, a dark hat and a gray/green backpack. Anyone who finds any of those items is asked to contact Boulder County dispatch at 303-441-4444.
Search crews will be back out Saturday morning, BCSO said.
RELATED: Man missing for days found trespassing at house near Peaceful Valley, sheriff's office says
SUGGESTED VIDEOS: Local stories from 9NEWS