It comes as Whatcom and Skagit counties remain under an air quality alert through Saturday morning.
The decision follows similar moves by Skagit County and La Conner.
The warnings come as the air quality worsened throughout the entire county on Wednesday.
The site will be logged in an effort to prevent people from returning.
Crews will be installing a new fish-passable culvert.
The $10.5 million contribution from Peter and Judith Hallson will establish an endowed deanship in the College of Science and Engineering.
The ban is for unincorporated Skagit County and mirrors what Whatcom County implemented last month.
The Border 2 and Luna fires are each burning several thousand acres in the North Cascades while 0% contained.
Gov. Bob Ferguson has declared late last month that August is Emergency Management Awareness Month in Washington state.
Farinacci, 37, is charged with starting the Old Trails fire, one of three blazes in the Spokane area that have burned more than 850 buildings, destroying whole neighborhoods and streets. No deaths or serious injuries have been reported.