WENATCHEE, Wash. -- Firefighters in central Washington are working to shore up the southern and western flanks of a blaze that has charred a wide swath of land in Kittitas and Chelan counties.
Fire officials say the Colockum Tarps Fire is 25 percent contained, but it has burned across nearly 113 square miles and destroyed several homes and outbuildings. The Kittitas County Sheriff's Office has ordered residents of about 100 homes to evacuate.
Related: Statewide wildfire information
About 700 firefighters are assigned to the blaze.
Fire crews are keeping a close eye on the weather. The region is under red-flag warnings for thunderstorm activity, with the potential for dry lightning and erratic winds until 11 p.m. Thursday.
Mile Marker 28 Fire
Near Goldendale, firefighters gained ground on a blaze that had closed U.S. Highway 97 for days.
The Mile Marker 28 Fire was 65 percent contained. The Washington State Department of Transportation reopened the highway Wednesday, with pilot cars leading vehicles through the fire area. Delays of up to one hour were expected.
Crews built a fire line around the flames that charred about 40 square miles near Satus Pass, about 15 miles northeast of Goldendale, fire spokesman Dam Omdal said.
More than 1,300 firefighters were mopping up hot spots and strengthening fire lines.
Statewide burn ban in effect
The Department of Natural Resources has issued a statewide burn ban on all lands under DNR protection, effective through September 30. The ban applies to all forestlands in Washington state, except federal lands, and prohibits campfires in all state, local and private campgrounds.