She says low humidity, high winds and warm temperatures are making it hard to contain the fires.
Hundreds of people have been forced to evacuate because of the seven-square mile fire that started Saturday.
Embers from the fire drifted in the air across the Columbia River and sparked blazes in neighboring Washington state.
State Forester Peter Daugherty said during a meeting of the Oregon Board of Forestry in Salem that fire suppression costs have passed $238 million this year.
People in OR covered their faces to shield themselves from smoke and ash.
A pen detects cancer cells in 10 seconds — Surgery
When the pen probe is placed against living tissue, it releases a drop of water that dissolves metabolites released by the tissue. When the MasSpec Pen completes the analysis, the words "Normal" or "Cancer" automatically appear on a computer screen.
Interstate 84 remains closed from Troutdale to Hood River due to debris on the freeway.
In Washington state, the U.S. Department of Defense agreed to assign 200 soldiers to help fight a wildfire.
Oregon State Fire Marshal spokesman Damon Simmons said Wednesday the buildings that were destroyed are in the same general location but he was not sure of the precise location.
Smoke from the western wildfires has been visible in Minnesota and has affected air quality.
The wildfire in OR and Washington grew on Tuesday.
US Stock Futures Rattled by North Korea Tensions
You are looking at another possible hit to our economy", said Karl Haeling, vice president at Landesbank Baden-Wurttemberg in NY . But City workers are back to fretting about North Korea after it tested what it claimed was a powerful nuclear bomb on Sunday.
In Oregon, people living in about 700 homes in and around the Columbia River Gorge had to flee.
The Eagle Creek wildfire merged Tuesday with the nearby Indian Creek fire, spreading approximately 15 miles and crossing the Columbia River, according to an online update Tuesday night by the National Wildfire Coordinating Group.
"The Gorge still looks like the Gorge". They have identified a suspect but have made no arrests.
Investigators say that the boy, his family and friends have been cooperating with the ongoing investigation.
Australians warned as North Korea threat looms
The Prime Minister told reporters this morning that it was a "very good call", "very warm" and "very constructive". The battle against Islamic State was also discussed, particularly its presence in the Philippines .