A red flag warning has been issued for Oregon’s wildfire risk. Learn more here. Zach Urness / Salem Statesman Journal Photo – Chanda Diekotto Oregon’s wildfire danger has increased significantly in the short and long term, ramping up for the Fourth of July and the rest of summer.

A red flag warning has been issued for the Willamette Valley through Wednesday due to extreme heat, high winds, low relative humidity and unstable conditions. Fireworks could bring new ignitions that spread rapidly, officials said.

“Conditions may be favorable for rapid spread on any new or existing fires,” the National Weather Service in Portland wrote. “Extreme fire behavior is possible.”

Fire danger…