Colorado, Wyoming Red Flag Warning | Effective 04/23/2026 12:41

Headline: 
Red Flag Warning issued April 23 at 1:41PM MDT until April 24 at 8:00PM MDT by NWS Denver CO
Event: 
Red Flag Warning
Urgency: 
Expected
Effective: 
April 23, 2026 - 12:41pm
Expires: 
April 23, 2026 - 8:45pm
Description: 
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 8 PM MDT Friday. The Fire Weather Watch is no longer in effect. * AFFECTED AREA...Fire Weather Zone 215. * TIMING...From 11 AM to 8 PM MDT Friday. * WINDS...West 15 to 25 mph with gusts up to 40 mph. * RELATIVE HUMIDITY...As low as 12 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.
Instruction: 
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.
Area Description: 
Larimer and Boulder Counties Between 6000 and 9000 Feet
Forcast Office: 
NWS Denver CO