Just after 6 p.m., firefighters were dispatched to a structure fire in the 1700 block of Old Arcata Road.
At 6:10 p.m., the Incident Commander said that there was a confirmed attic fire and his crew was working on making access.
Westbound traffic is blocked at Jacoby Creek Road.
UPDATE 6:22 p.m.: The Incident Commander speaking over the scanner reported that all occupants had been evacuated. He said that Old Arcata Road was closed from Spring Hill Lane to Jacoby Creek Road.
Please remember that information gathered from initial reports is subject to revision as more facts become available.