An army of firefighters is working in hot, dry and windy weather to contain blazes chewing through forests and grasslands and burning homes in drought-stricken states across the West.
A high-pressure system that created the second intense heat wave of the year was weakening Tuesday, but temperatures are forecast to remain above normal on the lines of more than 60 active large fires.
More than 14,000 firefighters and support personnel are attacking the flames.
In Washington, fires near Mazama have closed the North Cascades Highway on and off for the past three days.
Level 3 mandatory evacuations are in place for the town of Nespelem on the reservation of the Colville Tribes due to several lightning-sparked fires Monday night.