A lightning - strike fire in Utah 's Zion Forest Park burned out of control to 150 acres Tuesday , but rain helped firefighters hold the line on a 2,000-acre forest fire in Montana and two other major fires in Wyoming . A fire that scorched 150 acres in and around the Hiawatha Nation Forest in Michigan was linked to a vehicle exhaust pipe . Hundreds of small grass and brush fires were reported over the July 4 weekend , some accompanied by fireworks , in various parts of the country . Kentucky 's Division of Forestry reported 85 fires burned 1,267 acres in the first two days of July .
A lightning-sparked fire in Utah's Zion National Park spread out of control to 1,000 acres Tuesday, but rain helped firefighters hold the line on a 2,000-acre forest fire in Montana and two other major fires in Wyoming. A fire that scorched 1,130 acres in and around the Hiawatha Nation Forest in Michigan was linked to a vehicle exhaust pipe. Hundreds of small grass and brush fires were reported over the July 4 weekend, some caused by fireworks, in various parts of the country. Kentucky's Division of Forestry reported 85 fires burned 1,267 acres in the first four days of July.