The Flat fire in central Oregon grew to nearly 22,000 acres by Sunday afternoon, with thousands of homes under evacuation orders and warnings and the wildfire expected to expand amid hot, windy weather, officials said.

The fire, which was burning 6 miles northeast of Sisters (pop. 2,957), started Thursday.

The fire had zero percent containment as of Sunday afternoon, according to the Flat Fire Information Team, noting “there has been good progress in establishing” lines around some parts of the fire.

EJ Davis, a spokesperson for the Oregon Department of Forestry, said that breezy weather was expected Sunday afternoon with gusts up to about 20 mph.

Davis said that there was a 15% chance of thunderstorms with gusts that could help spread embers from burning trees.

“We have a lot of dry

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