Watches, Warnings & Advisories



3 products issued by NWS for: 4 Miles W Westminster CO

Hazardous Weather Outlook

Hazardous Weather Outlook
National Weather Service Denver/Boulder CO
1017 AM MDT Thu Jun 19 2025

COZ030>051-201630-
Jackson County Below 9000 Feet-
West Jackson and West Grand Counties Above 9000 Feet-
Grand and Summit Counties Below 9000 Feet-
South and East Jackson/Larimer/North and Northeast Grand/
Northwest Boulder Counties Above 9000 Feet-
South and Southeast Grand/West Central and Southwest Boulder/
Gilpin/Clear Creek/Summit/North and West Park Counties Above
9000 Feet-Larimer and Boulder Counties Between 6000 and 9000 Feet-
Jefferson and West Douglas Counties Above 6000 Feet/Gilpin/Clear
Creek/Northeast Park Counties Below 9000 Feet-
Central and Southeast Park County-
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-
Elbert/Central and East Douglas Counties Above 6000 Feet-
Northeast Weld County-Central and South Weld County-Morgan County-
Central and East Adams and Arapahoe Counties-
North and Northeast Elbert County Below 6000 Feet/North Lincoln
County-
Southeast Elbert County Below 6000 Feet/South Lincoln County-
Logan County-Washington County-Sedgwick County-Phillips County-
1017 AM MDT Thu Jun 19 2025

This hazardous weather outlook is for northeast and north central
Colorado.

.DAY ONE...Today and Tonight

No hazardous weather with temperatures getting about 10 degrees
above normal for highs out on the plains and foothills.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday

Above normal heat is expected Friday through Sunday. Friday should
be the hottest day with some locations over the plains reaching
100 degrees, as well as the potential of setting new record highs
in some places. Saturday and Sunday look hot too, but a bit
cooler than Friday.

Starting Monday and continue much of next week, moisture is
expected to return to the forecast area with chances of late day
showers and thunderstorms along with temperatures at or below
seasonal normals.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be needed today and tonight, but
reports of any hail or gusty winds will be appreciated.

$$




Heat Advisory

URGENT - WEATHER MESSAGE
National Weather Service Denver CO
434 AM MDT Thu Jun 19 2025

COZ038>051-192215-
/O.CON.KBOU.HT.Y.0001.250620T1700Z-250622T0000Z/
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-Elbert/Central and East Douglas
Counties Above 6000 Feet-Northeast Weld County-Central and South
Weld County-Morgan County-Central and East Adams and Arapahoe
Counties-North and Northeast Elbert County Below 6000 Feet/North
Lincoln County-Southeast Elbert County Below 6000 Feet/South
Lincoln County-Logan County-Washington County-Sedgwick County-
Phillips County-
Including the cities of Byers, Kutch, Kiowa, Fort Morgan,
Amherst, Larkspur, Holyoke, Elbert, Cope, Bennett, Agate, Akron,
Otis, Deer Trail, Golden, Raymer, Peetz, Pawnee Buttes, City of
Denver, Fondis, Wiggins, Forder, Longmont, Briggsdale, Sterling,
Brush, Brighton, Grover, Sedgwick, Loveland, Matheson, Aurora,
Ovid, Denver International Airport, Greeley, Goodrich, Karval,
Boulder, Eaton, Leader, Stoneham, Roggen, Fort Collins,
Julesburg, Parker, Highlands Ranch, Fort Lupton, Nunn, Littleton,
Punkin Center, Last Chance, Haxtun, Arvada, Merino, Crook, Hugo,
Limon, Hereford, Castle Rock, and Lakewood
434 AM MDT Thu Jun 19 2025

...HEAT ADVISORY REMAINS IN EFFECT FROM 11 AM FRIDAY TO 6 PM MDT
SATURDAY...

* WHAT...High temperatures near 100 degrees across the I-25 Urban
  Corridor, and up to 103 across the eastern plains.

* WHERE...All of the I-25 Urban Corridor, northeast and east central
  plains of Colorado.

* WHEN...The worst heat will be from 11 AM to 6 PM MDT both Friday
  and Saturday.

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

Take extra precautions when outside. Wear lightweight and loose
fitting clothing. Try to limit strenuous activities to early morning
or late 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

Barjenbruch




Air Quality Alert

COC001-123-059-069-031-035-014-013-005-192200-
Adams-Weld-Jefferson-Larimer-Denver-Douglas-Broomfield-
Boulder-Arapahoe-
410 PM MDT Wed Jun 18 2025

...OZONE ACTION DAY ALERT FROM 400 PM WEDNESDAY UNTIL 400 PM
THURSDAY...

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 Wednesday June 18 to 400 PM Thursday June 19

IMPACTS...Ozone Action Day Alert is now in effect for the Front
Range Urban Corridor.  Ozone is expected to be in the Good to
Moderate range on Wednesday. However, hot, sunny, and stagnant
weather will allow ozone to reach the Unhealthy for Sensitive
Groups category on Thursday. The highest ozone concentrations are
expected in southern and western portions of the Denver Metro
area, along the I-25 corridor towards Fort Collins, and Greeley.
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.
Thursday, June 19, 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.

$$