Watches, Warnings & Advisories



2 products issued by NWS for: Denver CO

Air Quality Alert

COC059-069-035-013-123-001-014-005-031-092200-
Jefferson-Larimer-Douglas-Boulder-Weld-Adams-Broomfield-
Arapahoe-Denver-
1010 PM MDT Sat Aug 8 2026

...ACTION DAY FOR MULTIPLE POLLUTANTS FROM 400 PM SATURDAY UNTIL
400 PM SUNDAY...

The Colorado Department of Public Health and Environment has
issued the following...

WHAT...Action Day for Multiple Pollutants.

WHERE...Douglas, Jefferson, Denver, western Arapahoe, western
Adams, Broomfield, Boulder, Larimer, and Weld Counties

WHEN...400 PM Saturday August 08 to 400 PM Sunday August 09

IMPACTS...Action Day for Multiple Pollutants is now in effect for
the Front Range Urban Corridor.  Elevated levels of ozone and
wildfire smoke are possible through Sunday afternoon. The highest
ozone levels are expected in and near the Denver metro area. The
heaviest wildfire smoke is expected in northern parts of the Front
Range, including Ft. Collins, Greeley, and surrounding areas.  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, August 9, 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
in sensitive individuals, aggravation of heart or lung disease and
premature mortality in people with cardiopulmonary disease and
older adults. People with heart or lung disease, older adults, and
children should reduce prolonged or heavy exertion Saturday and
Sunday. Everyone else should consider reducing prolonged or heavy
exertion.

$$




Heat Advisory

URGENT - WEATHER MESSAGE
National Weather Service Denver CO
327 AM MDT Sun Aug 9 2026

COZ038>040-100200-
/O.CON.KBOU.HT.Y.0006.000000T0000Z-260810T0200Z/
Larimer County Below 6000 Feet/Northwest Weld County-Boulder And
Jefferson Counties Below 6000 Feet/West Broomfield County-North
Douglas County Below 6000 Feet/Denver/West Adams and Arapahoe
Counties/East Broomfield County-
Including the cities of Denver International Airport, Boulder,
Golden, Hereford, Nunn, Fort Collins, Aurora, City of Denver, Parker,
Littleton, Longmont, Highlands Ranch, Arvada, Brighton, Loveland, and
Lakewood
327 AM MDT Sun Aug 9 2026

...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM MDT THIS EVENING...

* WHAT...Hot temperatures ranging from 95 to 102 degrees.

* WHERE...Denver metro, western suburbs of Denver, and portions of
  the Urban Corridor including Boulder.

* WHEN...Until 8 PM MDT this evening.

* IMPACTS...Hot temperatures may cause heat illness.

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.

Take extra precautions when outside. Wear lightweight and loose
fitting clothing. Try to limit strenuous activities to early morning
or evening. Take action when you see symptoms of heat exhaustion and
heat stroke.

&&

$$

For more information from the National Weather Service, visit
https://weather.gov/bou

Meier