Weather Alerts For Lone Tree, CO

URGENT - FIRE WEATHER MESSAGE National Weather Service Denver/Boulder CO 306 AM MST Tue Dec 16 2025 Larimer County Below 6000 Feet/Northwest Weld County- Boulder And Jefferson Counties Below 6000 Feet/West Broomfield County- North Douglas County Below 6000 Feet/Denver/West Adams and Arapahoe Counties/East Broomfield County-Northeast Weld County- Central and South Weld County- Central and East Adams and Arapahoe Counties- 306 AM MST Tue Dec 16 2025 ...RED FLAG WARNING IN EFFECT FROM 11 AM TO 6 PM MST WEDNESDAY FOR WIND AND LOW RELATIVE HUMIDITY FOR THE URBAN CORRIDOR... 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 6 PM MST Wednesday. The Fire Weather Watch is no longer in effect. * AFFECTED AREA...Fire Weather Zones 238, 239, 240, 242, 243 and 245. * TIMING...From 11 AM to 6 PM MST Wednesday. * WINDS...West 20 to 40 mph with gusts 60 to 80 mph. * RELATIVE HUMIDITY...15 to 25 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. &&