Watches, Warnings & Advisories



2 products issued by NWS for: Harmony CO

Air Quality Alert

COC069-031-035-059-001-014-005-123-013-142200-
Larimer-Denver-Douglas-Jefferson-Adams-Broomfield-Arapahoe-
Weld-Boulder-
410 PM MDT Mon Jul 13 2026

...OZONE ACTION DAY ALERT FROM 400 PM MONDAY UNTIL 400 PM
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 13 to 400 PM Tuesday July 14

IMPACTS...Ozone Action Day Alert is now in effect for the Front
Range Urban Corridor.  Ozone concentrations in the Unhealthy for
Sensitive Groups category are expected during the afternoon and
evening hours on both Monday and Tuesday. The highest ozone
concentrations are expected within and near the foothills from
western parts of the Denver metro area northward to areas west of
Ft. Collins.  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.
Tuesday, July 14, 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.

$$




Heat Advisory

URGENT - WEATHER MESSAGE
National Weather Service Denver CO
1019 AM MDT Mon Jul 13 2026

COZ038>040-140300-
/O.CON.KBOU.HT.Y.0001.000000T0000Z-260714T0300Z/
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 Golden, Highlands Ranch, Littleton, Parker,
Loveland, Lakewood, City of Denver, Brighton, Fort Collins, Longmont,
Arvada, Boulder, Hereford, Nunn, Denver International Airport, and
Aurora
1019 AM MDT Mon Jul 13 2026

...HEAT ADVISORY REMAINS IN EFFECT UNTIL 9 PM MDT THIS EVENING...

* WHAT...High temperatures in the upper 90s to around 100.

* WHERE...Fort Collins, Boulder and the western suburbs of Denver,
  and Denver.

* WHEN...Until 9 PM MDT this evening.

* 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.

&&

$$

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

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