Another Red Flag Warning will be in effect today for most of Northern Arizona. The National Weather Service says winds are forecast to be 15-to-25 miles per hour with gusts to 35-to-40 miles-per-hour at times. Humidities will be low as well. Cities and towns in the warning area include: the greater Flagstaff area, the Navajo Nation, the Grand Canyon, Winslow, Holbrook, Williams and portions of the Coconino, Kaibab and Prescott national forests. The warning will be in effect from 11 a.m. until 8 p.m.