During a red-flag warning, residents are urged to avoid risky behavior like campfires or other open flames, smoking or ...

A 2016 study found the warming world intensified the drying of vegetation and doubled the number of large wildfires in the ...

Red flag warnings are in effect for much of the state as the latest seasonal outlook predicts higher-than-normal fire ...

The National Weather Service in Reno has upgraded a Fire Weather Watch to a Red Flag Warning for the Northern Sierra Front, including Carson City, Douglas, Storey, Southern Washoe, Western Lyon ...

Temperatures across interior Southern California will climb dramatically over the next few days, as a prolonged, dangerous ...

On Sunday at 4:54 a.m. a red flag warning was issued by the NWS Medford OR valid between 2 p.m. and 11 p.m. The warning is for Western Klamath National Forest, Central Siskiyou County Including ...

The warning called a Red Flag Warning has been extended for the East Bay hills until 8 a.m. A Red Flag Warning is also in effect for the North Bay hills until 8 a.m.

The two key ingredients for these warnings are wind and low humidity, although the thresholds vary depending on the region.