Red Flag Warning

Locations Affected

Denver, CO ∙ Aurora, CO ∙ Thornton, CO ∙ Westminster, CO ∙ Centennial, CO ∙ Greeley, CO ∙ Castle Rock, CO ∙ Brick Center, CO ∙ Cornish, CO ∙ Lindon, CO

Full Alert Message

URGENT - FIRE WEATHER MESSAGE National Weather Service Denver/Boulder CO 103 PM MDT Mon Jun 8 2026 ...RED FLAG WARNING IN EFFECT FROM NOON TO 9 PM MDT TUESDAY FOR WIND AND LOW RELATIVE HUMIDITY FOR THE PLAINS OF NORTHEASTERN COLORADO... The National Weather Service in Denver has issued a Red Flag Warning for wind and low relative humidity, which is in effect from noon to 9 PM MDT Tuesday. The Fire Weather Watch is no longer in effect. * AFFECTED AREA...Fire Weather Zones 240, 241, 242, 243, 244, 245, 246, 247, 248, 249, 250 and 251. * TIMING...From noon to 9 PM MDT Tuesday. * WINDS...Southwest 20 to 30 mph with gusts up to 45 mph. * RELATIVE HUMIDITY...As low as 9 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.

---