• A sign warns of heavy smoke on Washington state route 155 near Omak, Wash., Wednesday, Aug. 26, 2015. Wildfires in the area have generated heavy smoke that has slowed traffic and in some instances hindered efforts to fight the fires from the air. (AP Photo/Ted S. Warren)

    Fire crews eye weather as heat, wind build in parts of West

    SPOKANE, Wash. (AP) — Smoke from big wildfires burning east of the Cascade Range hurt air quality Wednesday and hampered efforts by crews battling the flames in Washington state.

  • Warren Heslip, 47, of Southland, New Zealand, receives a yellow firefighting shirt on Monday, Aug. 24, 2015 at the National Interagency Fire Center in Boise, Idaho. Australian and New Zealand firefighters have arrived in the United States and prepared to fan out to help fight wildfires burning in several western states. (AP Photo/Keith Ridler)

    Australian firefighters ‘happy to help’ in Northwest

    SPOKANE, Wash. (AP) — Firefighters in Washington state kept a wary eye Tuesday on rising temperatures and winds that threatened to expand what’s already the largest wildfire on record in the state.