Firefighters in California , Michigan , Montana , Wyoming and Utah battled holiday weekend fires that blackened more than 6,000 acres of forest and wilderness areas . Illegal fireworks were blamed for a blaze that swept over 2,200 acres of Stanislaus pine forests in California . In southern Utah 's scenic Zion National Park , firefighters tried to contain a forest fire that was ignited by lightening . Meanwhile , three - quarters of an inch of rain on Monday helped slow a fire on 1,650 acres in the Sierra National Forest in California . A fire which burned 8,700 acres in Arizona 's Tonto National wilderness was reported extinguished on Monday .
Firefighters in California, Michigan, Montana, Wyoming and Utah battled holiday weekend fires that blackened more than 6,000 acres of forest and wilderness areas. Illegal fireworks were blamed for a blaze that swept over 2,200 acres of Stanislaus National Forest in California. In southern Utah's scenic Zion National Park, firefighters tried to contain a 600-acre fire that was ignited by lightening. Meanwhile, three-quarters of an inch of rain on Monday helped slow a fire on 1,650 acres in the Shoshone National Forest in Wyoming. A fire which burned 8,700 acres in Arizona's Tonto National Forest was reported extinguished on Monday.