ALT Forest fire stretches from floor to high up on tree trunks at night, with smoke wafting upward.

ALT Aerial view of large, smoking wildfire as a helicopter makes a water drop on the burning forest.

ALT Water flows from a red truck into a portable storage tank, with smoke and firefighters in the background forest.

ALT Aerial view of large, smoking wildfire with some orange flames seen in the forest.

ALT Firefighters work on a night burn operation with low-lying plants on fire and putting off smoke. Firefighters work at night on the Lynx Mountain Fire in northeast Washington.

ALT Colored map of Pacific Northwest uses red flame graphics to indicate numerous wildfire locations; large text at top reads 'Northwest Large Fire Interactive Web Map.'

ALT Firefighter in protective gear uses a chainsaw on a smoldering piece of wood. A firefighter uses a chainsaw on the Wildcat Fire in central Washington.

ALT Forest fire burns at night, with orange flames and smoke stretching from the ground, with a river and sunset in the distance.

ALT Big smoke cloud billows above a fire lookout structure, with blue sky and regular clouds over head.

ALT Colored map of Pacific Northwest uses red flame graphics to indicate numerous wildfire locations; large text at top reads 'Northwest Large Fire Interactive Web Map.'

ALT A forested hillside burns with the fire line illuminated with orange fire and already burned trees in the foreground.

ALT Firefighters wearing protective gear and head lamps work at night under a tree.

ALT A group of firefighters at an outdoor meeting with tents and vehicles all around.

ALT Firefighters respond to and monitor a wildfire burning on a forested slope.

ALT A firefighter uses a chainsaw to cut a burning log in the forest.