Red Flag Warning

Full Alert Message

URGENT - FIRE WEATHER MESSAGE National Weather Service Denver/Boulder CO 858 PM MDT Thu Mar 12 2026 ...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM TO 8 PM MDT FRIDAY FOR WIND AND LOW RELATIVE HUMIDITY FOR THE URBAN CORRIDOR AND PLAINS... ...RED FLAG WARNING IN EFFECT FROM 11 AM TO 9 PM MDT SATURDAY FOR WIND AND LOW RELATIVE HUMIDITY FOR THE URBAN CORRIDOR AND PLAINS... ...RED FLAG WARNING WILL EXPIRE AT 9 PM MDT THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR THE URBAN CORRIDOR AND PLAINS... The National Weather Service in Denver has issued a Red Flag Warning for wind and low relative humidity, which is in effect from 11 AM to 9 PM MDT Saturday. The Fire Weather Watch is no longer in effect. * AFFECTED AREA...Fire Weather Zones 238, 239, 240, 241, 242, 243, 244, 245, 246, 247, 248 and 249. * TIMING...For Friday, from 11 AM to 8 PM MDT. For Saturday, from 11 AM to 9 PM MDT Saturday. * WINDS...On Friday, west winds 15 to 25 mph with gusts 25 to 40 mph. On Saturday, west winds 20 to 30 mph with gusts 35 to 50 mph. * RELATIVE HUMIDITY...On Friday, 12 to 17 percent. On Saturday, 10 to 15 percent. * IMPACTS...Conditions will be favorable for rapid fire spread. Avoid outdoor burning and any activity that may produce a spark and start a wildfire. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now....or will shortly. A combination of strong winds...low relative humidity...and warm temperatures can contribute to extreme fire behavior.