39°36'N / 105°0'W / Altitude 1629 m / 19:28 2026/04/21, America/Denver (UTC-6)
From: 2026/04/21, 13:15
To: 2026/04/22, 00:15
The National Weather Service in Denver has issued a Fire Weather Watch for wind and low relative humidity, which is in effect from Thursday morning through Thursday evening. * AFFECTED AREA...Fire Weather Zones 214, 216, 238, 239, 240, 241, 242, 243, 244, 245, 246, 247, 248, 249, 250 and 251. * TIMING...For the Red Flag Warning, from 10 AM Wednesday to midnight MDT Wednesday night. For the Fire Weather Watch, from Thursday morning through Thursday evening. * WINDS...For the Red Flag Warning, west 20 to 30 mph with gusts up to 45 mph. For the Fire Weather Watch, northwest winds gusting up to 50 mph. * RELATIVE HUMIDITY...For the Red Flag Warning, 5 to 8 percent. For the Fire Weather Watch, as low as 10 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.
Arapahoe,North Douglas County Below 6000 Feet/Denver/West Adams and Arapahoe Counties/East Broomfield County
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.
A Fire Weather Watch means that critical fire weather conditions
are forecast to occur. Listen for later forecasts and possible
Red Flag Warnings.
NWS Denver CO
2026/04/21, 13:15
From: 2026/04/21, 13:15
To: 2026/04/22, 00:15
The National Weather Service in Denver has issued a Fire Weather Watch for wind and low relative humidity, which is in effect from Thursday morning through Thursday evening. * AFFECTED AREA...Fire Weather Zones 214, 216, 238, 239, 240, 241, 242, 243, 244, 245, 246, 247, 248, 249, 250 and 251. * TIMING...For the Red Flag Warning, from 10 AM Wednesday to midnight MDT Wednesday night. For the Fire Weather Watch, from Thursday morning through Thursday evening. * WINDS...For the Red Flag Warning, west 20 to 30 mph with gusts up to 45 mph. For the Fire Weather Watch, northwest winds gusting up to 50 mph. * RELATIVE HUMIDITY...For the Red Flag Warning, 5 to 8 percent. For the Fire Weather Watch, as low as 10 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.
Arapahoe,North Douglas County Below 6000 Feet/Denver/West Adams and Arapahoe Counties/East Broomfield CountyA 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.
A Fire Weather Watch means that critical fire weather conditions
are forecast to occur. Listen for later forecasts and possible
Red Flag Warnings.NWS Denver CO2026/04/21, 13:15
From: 2026/04/21, 14:10
To: 2026/04/21, 22:00
The Colorado Department of Public Health and Environment has issued the following... WHAT...Air Quality Health Advisory for Ozone. WHERE...Douglas, Teller, western Elbert, western El Paso and central Arapahoe Counties. Locations include, but are not limited to Castle Rock, Kiowa, Monument, Manitou Springs, and Woodland Park. WHEN...200 PM Tuesday April 21 to 1000 PM Tuesday April 21 IMPACTS...Ozone concentrations could reach the Unhealthy for Sensitive Groups category within the advisory area Tuesday afternoon and evening. Ozone levels will improve overnight Tuesday night. HEALTH INFORMATION...Public Health Recommendations: Increasing likelihood of respiratory symptoms and breathing discomfort in active children and adults and people with lung disease, such as asthma. Active children and adults, and people with lung disease, such as asthma, should reduce prolonged or heavy outdoor exertion.
ArapahoeNWS Denver CO2026/04/21, 14:11