Active Weather Alerts
Heat Advisory
Issued: 7:11 PM Jul. 12, 2026 – National Weather Service
...HEAT ADVISORY IN EFFECT FROM 10 AM TO 9 PM MDT MONDAY... * WHAT...High temperatures in the upper 90s. * WHERE...Fort Collins, Boulder and the western suburbs of Denver, and Denver. * WHEN...From 10 AM to 9 PM MDT Monday. * IMPACTS...Hot temperatures may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. &&
Air Quality Alert
Issued: 3:11 PM Jul. 12, 2026 – National Weather Service
...OZONE ACTION DAY ALERT FROM 400 PM SATURDAY UNTIL 400 PM SUNDAY... 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 Saturday July 11 to 400 PM Sunday July 12 IMPACTS...Ozone Action Day Alert is now in effect for the Front Range Urban Corridor. Hot, dry, and stagnant weather will allow ozone to reach the Unhealthy for Sensitive Groups category on Saturday and Sunday. 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. Sunday, July 12, 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.
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