The National Weather Service (NWS) in Pueblo, Colorado, issued a Red Flag Warning on May 18, 2026, effective from 4:20 PM MDT until 8:00 PM MDT the same day. The warning was based on forecast conditions of strong winds, low humidity, and dry fuels, which increase the risk of wildfire ignition and spread.
Red Flag Warnings are issued when weather conditions are favorable for rapid fire growth. According to NWS criteria, this typically involves sustained winds of at least 20 mph, relative humidity below 15%, and dry vegetation. The warning area included parts of southeastern Colorado, though specific counties were not detailed in the initial alert.
Residents and visitors in the affected region were advised to avoid activities that could spark fires, such as outdoor burning, using equipment that creates sparks, or discarding cigarettes carelessly. No additional updates or extensions were reported as of the warning's expiration.
