PORTLAND - Lightning may cause several new fire starts in the eastern slopes of the Oregon Cascades and Columbia Basin through Sunday.
A Red Flag warning was issued for the southern Blue and Strawberry mountains, northern Blue mountains of Oregon, Eagle Cap, Wallowa, Baker Valley and the Columbia River Basin,
The warning was in effect until 5 p.m. Sunday.
Officials said Friday that the Long Draw Fire has charred more than 800 square miles, surpassing the size of the Biscuit Fire that scorched about 780 square miles of the Siskiyou National Forest in 2002.
The fire was burning grass and sagebrush in a sparsely populated area near Oregon's borders with Nevada and Idaho.
A fire information officer says the blaze has burned up to the west rim of the Owyhee Canyon, and crews were trying to keep it from jumping to the other side. Meanwhile, authorities have recommended evacuations for a handful of homes threatened by another blaze near Harney Lake.
The Miller Homestead Fire had charred about 250 square miles.