Sep 7, 2015 12:03 PM by News Staff
FRESNO, Calif. (AP) - Cooler temperatures helped fire crews gain some ground against a vast and stubborn wildfire that has proven California's biggest this year.
Cal Fire says the fire that has charred 134 square miles east of Fresno was 31 percent contained Sunday.
But officials say temperatures will slowly rise through the holiday weekend.
The blaze burning in Kings Canyon National Park is expected to spew smoke through the long Labor Day weekend, leaving some campgrounds empty and prompting health warnings.
The fire that began July 31 during a lightning strike has closed roads and about 10 campgrounds around Hume Lake and Kings Canyon.
The U.S. Forest Service urged holiday campers to head to the mountains far south of the fire, where they can expect cleaner air and better views of nature.
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