(NECN: Williams, AZ) - Firefighters in Northern Arizona are hard at work battling a raging 800-acre wildfire.
You can see massive clouds of smoke coming from the blaze in the Kaibab National Forest, near Williams.
Fire officials say heavy winds, up to 30 mph, are making firefighters' jobs harder because they are fueling the fire.
The high winds are also grounding the planes officials were using to dump water and retardant on the blaze.
Authorities are now encouraging people living in the Spring Valley area near the blaze to evacuate their homes.
Local
No word what sparked the wildfire.
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