Comanche Dam, CO Vejrvarsler
Fire danger
Red Flag Warning issued June 30 at 2:49AM MDT until June 30 at 9:00PM MDT by NWS Denver CO ...CRITICAL FIRE WEATHER CONDITIONS EXPECTED FOR THE HIGH COUNTRY TODAY...POTENTIALLY CONTINUING THROUGH FRIDAY... A warm and dry airmass will coincide with gusty west and southwest winds today. Sustained winds are expected to be 15 to 25 mph across much of the high country with gusts up to 40 mph, strongest for exposed areas and higher elevations. These conditions will drive very high fire danger across the warned area. Any new starts or established fires will likely spread rapidly under these conditions. * AFFECTED AREA...Fire Weather Zones 211, 213, 217 and 218. * TIMING...From noon today to 9 PM MDT this evening. * WINDS...Southwest 15 to 25 mph with gusts up to 35 mph. * RELATIVE HUMIDITY...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. 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.
National Weather Service
Air quality
Air Quality Alert issued June 29 at 5:10PM MDT by NWS Denver CO The Colorado Department of Public Health and Environment has issued the following... WHAT...Ozone Action Day Alert. WHERE...Douglas, Jefferson, Denver, western Arapahoe, western Adams, Broomfield, Boulder, Larimer, and Weld Counties WHEN...400 PM Monday June 29 to 400 PM Tuesday June 30 IMPACTS...Ozone Action Day Alert is now in effect for the Front Range Urban Corridor. Hot, sunny, and occasionally smoky weather conditions will result in ozone concentrations occasionally reaching the Unhealthy for Sensitive Groups category on Monday and Tuesday. Elevated particle pollution during periods of heavier smoke will also be possible and could further worsen air quality. For Colorado air quality conditions, forecasts, and advisories, visit: https://www.colorado.gov/airquality/colorado_summary.aspx If possible, please help us reduce ozone pollution by limiting driving gas and diesel-powered vehicles until at least 4 p.m. Tuesday, June 30, 2026. Colorado is also addressing ozone pollution through state policies. For more information about health impacts and how ozone pollution forms in Colorado, visit: https://cdphe.colorado.gov/ozone- pollution-and-your-health HEALTH INFORMATION...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.
National Weather Service
Air quality
Air Quality Alert issued June 29 at 7:10PM MDT by NWS Denver CO The Colorado Department of Public Health and Environment has issued the following... WHAT...Action Day Alert for Multiple Pollutants. WHERE...Douglas, Jefferson, Denver, western Arapahoe, western Adams, Broomfield, Boulder, Larimer, and Weld Counties WHEN...400 PM Monday June 29 to 400 PM Tuesday June 30 IMPACTS...Ozone Action Day Alert is now in effect for the Front Range Urban Corridor. Hot, sunny, and occasionally smoky weather conditions will result in ozone concentrations occasionally reaching the Unhealthy for Sensitive Groups category on Monday and Tuesday. Particle pollution levels could also reach the Unhealthy for Sensitive Groups category, or worse, due to the wildfire smoke. For Colorado air quality conditions, forecasts, and advisories, visit: https://www.colorado.gov/airquality/colorado_summary.aspx If possible, please help us reduce ozone pollution by limiting driving gas and diesel-powered vehicles until at least 4 p.m. Tuesday, June 30, 2026. Colorado is also addressing ozone pollution through state policies. For more information about health impacts and how ozone pollution forms in Colorado, visit: https://cdphe.colorado.gov/ozone- pollution-and-your-health HEALTH INFORMATION...People with heart or lung disease, older adults, and children should reduce prolonged or heavy exertion. During periods of heavier wildfire smoke, everyone should reduce prolonged or heavy exertion.
National Weather Service
Air quality
Air Quality Alert issued June 29 at 10:10PM MDT by NWS Denver CO The Colorado Department of Public Health and Environment has issued the following... WHAT...Action Day Alert for Multiple Pollutants. WHERE...Douglas, Jefferson, Denver, western Arapahoe, western Adams, Broomfield, Boulder, Larimer, and Weld Counties WHEN...400 PM Monday June 29 to 400 PM Tuesday June 30 IMPACTS...Ozone Action Day Alert is now in effect for the Front Range Urban Corridor. Hot, sunny, and occasionally smoky weather conditions will result in ozone concentrations occasionally reaching the Unhealthy for Sensitive Groups category on Monday and Tuesday. Particle pollution levels could also reach the Unhealthy for Sensitive Groups category, or worse, due to the wildfire smoke. For Colorado air quality conditions, forecasts, and advisories, visit: https://www.colorado.gov/airquality/colorado_summary.aspx If possible, please help us reduce ozone pollution by limiting driving gas and diesel-powered vehicles until at least 4 p.m. Tuesday, June 30, 2026. Colorado is also addressing ozone pollution through state policies. For more information about health impacts and how ozone pollution forms in Colorado, visit: https://cdphe.colorado.gov/ozone- pollution-and-your-health HEALTH INFORMATION...People with heart or lung disease, older adults, and children should reduce prolonged or heavy exertion. During periods of heavier wildfire smoke, everyone should reduce prolonged or heavy exertion.
National Weather Service
Air quality
Air Quality Alert issued June 30 at 9:10AM MDT by NWS Denver CO The Colorado Department of Public Health and Environment has issued the following... WHAT...Action Day Alert for Multiple Pollutants. WHERE...Douglas, Jefferson, Denver, western Arapahoe, western Adams, Broomfield, Boulder, Larimer, and Weld Counties WHEN...400 PM Monday June 29 to 400 PM Tuesday June 30 IMPACTS...Ozone Action Day Alert is now in effect for the Front Range Urban Corridor. Hot, sunny, and occasionally smoky weather conditions will result in ozone concentrations occasionally reaching the Unhealthy for Sensitive Groups category on Monday and Tuesday. Particle pollution levels could also reach the Unhealthy for Sensitive Groups category, or worse, due to the wildfire smoke. For Colorado air quality conditions, forecasts, and advisories, visit: https://www.colorado.gov/airquality/colorado_summary.aspx If possible, please help us reduce ozone pollution by limiting driving gas and diesel-powered vehicles until at least 4 p.m. Tuesday, June 30, 2026. Colorado is also addressing ozone pollution through state policies. For more information about health impacts and how ozone pollution forms in Colorado, visit: https://cdphe.colorado.gov/ozone- pollution-and-your-health HEALTH INFORMATION...People with heart or lung disease, older adults, and children should reduce prolonged or heavy exertion. During periods of heavier wildfire smoke, everyone should reduce prolonged or heavy exertion.
National Weather Service
