Blue Stones Mine, CO Weather Warnings

Fire danger

Warnings

Red Flag Warning issued June 19 at 11:29AM MDT until June 20 at 9:00PM MDT by NWS Denver CO 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 9 PM MDT Saturday. The Fire Weather Watch is no longer in effect. * AFFECTED AREA...Fire Weather Zones 211, 212, 213, 214, 217 and 218. * TIMING...From 11 AM to 9 PM MDT Saturday. * WINDS...West 20 to 30 mph with gusts up to 45 mph. * RELATIVE HUMIDITY...As low as 9 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

Warnings

Air Quality Alert issued June 19 at 4:10PM MDT by NWS Denver CO The Colorado Department of Public Health and Environment has issued the following... WHAT...Action Day for No Action Day. WHERE...Douglas, Jefferson, Denver, western Arapahoe, western Adams, Broomfield, Boulder, Larimer, and Weld Counties WHEN...400 PM Friday June 19 to 400 PM Saturday June 20 IMPACTS...Action Day for No Action Day is now in effect for the Front Range Urban Corridor. Continued hot and stagnant weather will allow ozone to reach the Unhealthy for Sensitive Groups category on Friday and Saturday. 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. Saturday, June 20, 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

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