The Rattlesnake Fire was a wildfire that burned 26,072 acres (10,551 ha) in Navajo and Greenlee Counties, in Arizona. The fire was detected on April 11, 2018, on the Fort Apache Indian Reservation and spread onto the San Carlos Indian Reservation and Apache-Sitgreaves National Forests over the following four days. Fanned by high winds, the Rattlesnake Fire spread rapidly until it was contained on May 1. The fire continued to burn within containment until May 27. No structures were damaged or destroyed by the fire, but 15 firefighters were injured. Investigators suspected the cause of the fire was human activity, but it was never determined with certainty.
The Mendocino Complex Fire was a large complex of wildfires that burned in northern California for more than three months in 2018. It consisted of two wildfires, the River Fire and Ranch Fire, which burned in Mendocino, Lake, Colusa, and Glenn Counties in California, with the Ranch Fire being California's single-largest recorded wildfire at the time until the August Complex fire in 2020. The Ranch Fire burned eight miles northeast of Ukiah, and the River Fire burned six miles north of Hopland, to the south of the larger Ranch Fire. First reported on July 27, 2018, both fires burned a combined total of 459,123 acres (1,858 km2), before they were collectively 100% contained on September 18, though hotspots persisted until the complex was fully brought under control on January 4, 2019. The Ranch Fire alone burned 410,203 acres (1,660 km2), making it the largest wildfire in modern California history at the time until the August Complex fire that occurred in 2020. The Ranch Fire also surpassed the size of the 315,577-acre Rush Fire, which burned across California and Nevada, as well as the Santiago Canyon Fire of 1889, which was previously believed to have been California's all-time largest wildfire.
The Bush Fire was a human-caused wildfire that started in the Tonto National Forest northeast of Phoenix, Arizona. It burned 193,455 acres (78,288 ha). The fire started on June 13, 2020 near the intersection of Bush Highway and SR 87 and was fully contained on July 6, 2020
The Bear Fire is a large wildfire that started near Clifton, Arizona on June 16, 2021. It has so far burned 23,868 acres (9,659 ha) and is 20% contained.
The Johnson Fire was a wildfire that started in Gila National Forest near Gila Cliff Dwellings National Monument and the town of Silver City, New Mexico on May 20, 2021. The fire burned 88,918 acres (35,984 ha) and was fully contained on July 23, 2021. It was the largest wildfire in the United States of the 2021 wildfire season until June 6, 2021.
The Mescal Fire is a wildfire that started near Globe, Arizona on June 1, 2021. The fire burned 72,250 acres (29,239 ha) and was fully contained on June 18, 2021.
The 2021 Arizona wildfire season was a series of wildfires that burned across the state of Arizona, United States. Wildfires across the state burned 524,428 acres (212,228 ha) of land in at least 1,773 fires throughout the state, fueled in part by a drought, hot temperatures, and thunderstorms producing dry lightning. At one point in late June, over 20 active wildfires were burning across the state.
The 2020 Maricopa County wildfires were a series of major and non-major wildfires that took place in Maricopa County, Arizona, from the month of May to the month of October. In the year 2020, Arizona saw one of its worst fire seasons in the states history. Due to the lack of precipitation needed in Arizona, the state fell into an ongoing drought from late 2020 and 2021. High winds were also present during the summer when fire season is mostly active in the state. These factors led to the wildfires in Maricopa County to be destructive and costly.
The 2022 Calf Canyon/Hermits Peak Fire was the largest and most destructive wildfire in the history of New Mexico. The fire burned 341,471 acres between early April and late June in the southern Sangre de Cristo Mountains, in San Miguel, Mora, and Taos counties. It was the most significant fire of the record-breaking 2022 New Mexico wildfire season, as well as the largest wildfire of the year in the contiguous United States. The fire destroyed at least 903 structures, including several hundred homes, and damaged 85 more.
The 2024 Wildcat Fire was a relatively large wildfire that burned in the Tonto National Forest, located in the U.S. state of Arizona. The fire burned 14,402 acres of land before being declared contained on June 3. It was the second-largest wildfire of the 2024 Arizona wildfire season, only behind the Freeman Fire.
The Pizona Fire was a wildfire that burned portions of the Inyo National Forest in Nevada. It covered 2,160 acres of land, and was the third-largest fire of the 2024 Nevada wildfire season. Over 188 personnel were assigned to the fire, and was 100% contained by firefighters and other agencies by July 5.
The Spruce Creek Fire was a wildfire that burned in Montezuma County, in the U.S. State of Colorado. It was active from May 14 until May 31, 2024, when it was declared 100% contained. It was the first fire of the 2024 Colorado wildfire season, and is currently the 2nd-largest as of August 2.
The Swawilla Fire was a large wildfire in Ferry and Okanogan counties, located in the U.S. state of Washington. The fire started on July 17, 2024, and was declared 98% contained on August 9. It was the sixth fire to burn more than 1,000 acres as part of the 2024 Washington wildfire season, and was the largest fire of the entire season, at 53,343 acres covered.
The 2024 Adams Fire was a wildfire that rapidly burned 5,029 acres across Maricopa County, located in the U.S. state of Arizona from June 2 to June 10. 268 personnel were assigned to the fire, and the fire was determined to have been human-caused.
The Lake Fire was a large wildfire that burnt 38,664 acres of land in Santa Barbara County, California. It began on July 5, 2024, and was 100% contained as of August 4. The fire was the first to burn more than 20,000 acres as part of the 2024 California wildfire season, and was the fourth fire of the season to injure more than one person.
The Basin Fire was a wildfire that burned through Fresno County in Central California between June 26 and July 20, 2024. It prompted numerous evacuations, and was the fourth fire to burn more than 14,000 acres as part of the 2024 California wildfire season.
The 2024 Freeman Fire was a large wildfire that rapidly burned across 32,568 acres across Pinal County, located in the U.S. state of Arizona. It began on July 11 due to a lightning strike, and was declared 100% contained on July 18.
The 2024 Element Fire was a wildfire that burned 5,364 acres across Mohave County in the U.S. state of Arizona from August 6 to August 19. It was the 8th-largest wildfire of the 2024 Arizona wildfire season, and injured 2 people.
The Bucktail Fire was a wildfire in August 2024 that has burned through 7,202 acres (2,915 ha) of land in Montrose County in the U.S. state of Colorado. It began on August 1. It is currently the second-largest wildfire to ignite during the 2024 Colorado wildfire season. Local law enforcement criminally charged a man with accidentally starting the fire during an attempt to cremate his dog.
