Active Weather Alerts
Air Quality Alert
Issued: 10:11 PM Jul. 14, 2025 – National Weather Service
...OZONE ACTION DAY ALERT FROM 400 PM MONDAY UNTIL 1200 AM TUESDAY... 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 July 14 to 1200 AM Tuesday July 15 IMPACTS...Ozone Action Day Alert is now in effect for the Front Range Urban Corridor. Ozone concentrations in the Unhealthy for Sensitive Groups category will be possible Monday afternoon and evening for northern parts of the Front Range region, including Greeley, Loveland, and Ft. Collins. Improved air quality is expected Tuesday with ozone concentrations in the Good to Moderate range. 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 midnight, Monday night, July 14, 2025. 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.
Severe Thunderstorm Warning
Issued: 10:04 PM Jul. 14, 2025 – National Weather Service
The National Weather Service in Denver has issued a * Severe Thunderstorm Warning for... South Central Adams County in northeastern Colorado... Eastern Arapahoe County in northeastern Colorado... * Until 445 PM MDT. * At 404 PM MDT, severe thunderstorms were located along a line from 7 miles northeast of Strasburg to 6 miles south of Byers, or along a line from 37 miles east of Denver to 37 miles northwest of Limon, moving northeast at 15 mph. HAZARD...60 mph wind gusts and quarter size hail. SOURCE...Radar indicated. IMPACT...Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees. * Locations impacted include... Byers, Leader and Strasburg. PRECAUTIONARY/PREPAREDNESS ACTIONS... Seek shelter inside a well-built structure and stay away from windows. These storms are capable of producing damaging winds and large hail. && HAIL THREAT...RADAR INDICATED; MAX HAIL SIZE...1.00 IN; WIND THREAT...RADAR INDICATED; MAX WIND GUST...60 MPH
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