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

Routt, Rio Blanco, Eagle, Garfield, Gilpin, Jackson, Grand, and Clear Creek Counties. The Lee and the Elk RBX fires are ...

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 is in place for today as winds will pick up from the southwest near 10 to 20 mph sustained and wind gust potential at 25-35 mph. We will also see relatively low humidity this ...

A red flag warning is in place in the Northwest, meaning the conditions are just right for a wildfire to start and to spread. According to the National Weather Service, we have El Nino to thank.

A red flag warning issued by the National Weather Service indicates that temperatures, humidity levels, fuel moisture levels and wind speeds have formed favorable conditions for fires to rapidly ...