GRAND CANYON, Ariz. (KVOA) - The Dragon Bravo Fire on the North Rim of the Grand Canyon continues to challenge firefighters as it expands to 105,415 acres with a localized red-flag warning in effect.

What exactly is a Red Flag Warning? These are issued when conditions are present that would lead to a new fire or an existing fire spreading quickly.

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

The NWS typically issues red flag warnings when temperatures are 75 degrees or higher, wind speeds are 15 mph or greater and humidity levels dip to or below 25%, according to AccuWeather.

A red flag warning was issued by the NWS Medford OR on Tuesday at 12:46 p.m. valid for Wednesday between 2 p.m. and 11 p.m. The warning is for Western Klamath National Forest, Central Siskiyou ...

An updated red flag warning was issued by the NWS Medford OR on Tuesday at 10:55 p.m. valid for Wednesday between 2 p.m. and 11 p.m. The warning is for Western Klamath National Forest, Central ...