Active Weather Alerts
Red Flag Warning
Issued: 9:44 PM Dec. 18, 2025 – National Weather Service
...RED FLAG WARNING IN EFFECT FROM 10 AM FRIDAY TO MIDNIGHT MST FRIDAY NIGHT FOR WIND AND LOW RELATIVE HUMIDITY FOR THE FRONT RANGE I-25 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 10 AM Friday to midnight MST Friday night. The Fire Weather Watch is no longer in effect. * AFFECTED AREA...Fire Weather Zones 238, 239, 240, 241 and 243. * TIMING...From 10 AM Friday to midnight MST Friday night. * WINDS...West 20 to 35 mph, with gusts up to 80 mph or more immediately next to the foothills. Gusts closer to 40 mph along and east of I-25. * RELATIVE HUMIDITY...As low as 8 percent. * IMPACTS...Conditions will be favorable for rapid fire spread. Avoid outdoor burning and any activity that may produce a spark and start a fast moving 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. &&
High Wind Watch
Issued: 7:11 PM Dec. 18, 2025 – National Weather Service
...HIGH WIND WATCH REMAINS IN EFFECT FROM FRIDAY MORNING THROUGH FRIDAY AFTERNOON... * WHAT...West winds 25 to 40 mph with gusts up to 85 mph, strongest near the base of the foothills. * WHERE...Fort Collins, Longmont, Boulder, and the western suburbs of Denver. * WHEN...From Friday morning through Friday afternoon. * IMPACTS...Damaging winds may blow down trees and power lines. Scattered power outages are possible. Travel will be difficult, especially for high profile vehicles. Strong winds will lead to rapid fire growth of any new fire. PRECAUTIONARY/PREPAREDNESS ACTIONS... Monitor the latest forecasts and warnings for updates. &&
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