Active Weather Alerts
Special Weather Statement
Issued: 2:35 AM Aug. 21, 2026 – National Weather Service
...A STRONG THUNDERSTORM WILL IMPACT SOUTHWESTERN ARAPAHOE...SOUTHERN JEFFERSON AND CENTRAL DOUGLAS COUNTIES UNTIL 915 PM MDT... At 835 PM MDT, Doppler radar was tracking a strong thunderstorm over Buffalo Creek, or 29 miles southwest of Denver, moving east at 20 mph. HAZARD...Wind gusts up to 30 mph and nickel size hail. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Minor damage to outdoor objects is possible. Locations impacted include... Roxborough Park, South Platte, Sprucewood, Buffalo Creek, Louviers, Chatfield Reservoir, Pine Grove, Foxton, Kassler and Shamballa. PRECAUTIONARY/PREPAREDNESS ACTIONS... Monitor the weather situation closely and be alert for threatening weather conditions. && MAX HAIL SIZE...0.88 IN; MAX WIND GUST...30 MPH
Air Quality Alert
Issued: 10:11 PM Aug. 20, 2026 – National Weather Service
...OZONE ACTION DAY ALERT FROM 400 PM THURSDAY UNTIL 400 PM FRIDAY... 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 Thursday August 20 to 400 PM Friday August 21 IMPACTS...Ozone Action Day Alert is now in effect for the Front Range Urban Corridor. Hot, sunny, and stagnant weather will allow ozone to reach the Unhealthy for Sensitive Groups concentration on Thursday and Friday. The highest concentrations are expected in southern and western portions of the Denver Metro Area. 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. Friday, August 21, 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.
Local Radar