Extreme Heat Warning
URGENT - WEATHER MESSAGE
National Weather Service Tucson AZ
400 AM MST Wed Jun 18 2025
AZZ501>509-181900-
/O.CON.KTWC.XH.W.0002.250619T1700Z-250621T0400Z/
Western Pima County-Tohono O`odham Nation-Upper Santa Cruz River
Valley/Altar Valley-Tucson Metro Area-South Central Pinal County-
Southeast Pinal County-Upper San Pedro River Valley-Eastern
Cochise County below 5000 feet-Upper Gila River Valley-
Including the cities of Benson, Green Valley, Picacho Peak State
Park, Nogales, Tucson, Sells, Douglas, Safford, Sierra Vista,
Clifton, Vail, Marana, Ajo, Mammoth, Willcox, Organ Pipe Cactus
N.M., and Oracle
400 AM MST Wed Jun 18 2025
...EXTREME HEAT WARNING REMAINS IN EFFECT FROM 10 AM THURSDAY TO 9
PM MST FRIDAY...
* WHAT...For the Thursday through Friday Extreme Heat Warning,
dangerously hot conditions with temperatures up to 115 possible in
the Tucson metropolitan area, Gila River Valley, and across
western and central Pima County including the Tohono O`odham
Nation. High temperatures elsewhere will be 102 to 108 degrees.
* WHERE...Eastern Cochise County below 5000 feet, South Central
Pinal County, Southeast Pinal County, Tohono O`odham Nation,
Tucson Metro Area, Upper Gila River Valley, Upper San Pedro River
Valley, Upper Santa Cruz River Valley/Altar Valley, and Western
Pima County.
* WHEN...From 10 AM Thursday to 9 PM MST Friday.
* IMPACTS...Heat related illnesses increase significantly during
extreme heat events.
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.
Do not leave young children and pets in unattended vehicles. Car
interiors will reach lethal temperatures in a matter of minutes.
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.
Take extra precautions if you work or spend time outside. When
possible, reschedule strenuous activities to early morning or
evening. Know the signs and symptoms of heat exhaustion and heat
stroke. Wear lightweight and loose fitting clothing when possible
and drink plenty of water.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service Phoenix AZ
1254 AM MST Wed Jun 18 2025
AZZ534-538-539-547-552>556-559>562-182200-
/O.CON.KPSR.XH.W.0002.250618T1700Z-250621T0300Z/
Aguila Valley-Tonopah Desert-Gila Bend-Rio Verde/Salt River-
Superior-Northwest Pinal County-West Pinal County-Apache
Junction/Gold Canyon-Tonto Basin-Sonoran Desert Natl Monument-San
Carlos-Dripping Springs-Globe/Miami-
Including the cities of San Carlos, Cactus Forest, Arlington,
Hassayampa, Peridot, Casa Grande, Sentinel, Hayden, Gladden,
Aguila, Superior, Coolidge, Wintersburg, Winkelman, Miami,
Wickenburg, Tonopah, Apache Junction, Punkin Center, Kaka, Globe,
Gila Bend, Tortilla Flat, and Florence
1254 AM MST Wed Jun 18 2025
...EXTREME HEAT WARNING REMAINS IN EFFECT FROM 10 AM THIS MORNING TO
8 PM MST FRIDAY...
* WHAT...Dangerously hot conditions. Afternoon temperatures 105 to
117 expected. Major Heat Risk. Overexposure can cause heat cramps
and heat exhaustion to develop and, without intervention, can lead
to heat stroke.
* WHERE...A portion of south central Arizona.
* WHEN...From 10 AM this morning to 8 PM MST Friday.
* IMPACTS...Heat related illnesses increase significantly during
extreme heat events.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
An Extreme Heat Warning means that a period of very hot
temperatures, even by local standards, will occur. Actions should be
taken to lessen the impact of the extreme heat.
Take extra precautions if you work or spend time outside. When
possible, reschedule strenuous activities to early morning or
evening. Know the signs and symptoms of heat exhaustion and heat
stroke. Wear lightweight and loose-fitting clothing when possible
and drink plenty of water.
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.
Public cooling shelters are available in some areas. Consult county
officials for more details.
&&
$$
CK
URGENT - WEATHER MESSAGE
National Weather Service Phoenix AZ
1254 AM MST Wed Jun 18 2025
AZZ537-540>544-546-548>551-182200-
/O.CON.KPSR.XH.W.0001.000000T0000Z-250621T0300Z/
Northwest Valley-Buckeye/Avondale-Cave Creek/New River-Deer
Valley-Central Phoenix-North Phoenix/Glendale-Scottsdale/Paradise
Valley-East Valley-Fountain Hills/East Mesa-South
Mountain/Ahwatukee-Southeast Valley/Queen Creek-
Including the cities of Cashion, Mesa, Paradise Valley, Chandler,
Sun City West, Liberty, Scottsdale, Surprise, Gilbert, Avondale,
Circle City, Queen Creek, Wittmann, Peoria, Beardsley, Fountain
Hills, Tempe, Sun Lakes, Phoenix, and Goodyear
1254 AM MST Wed Jun 18 2025
...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM MST FRIDAY...
* WHAT...Dangerously hot conditions. Afternoon temperatures 106 to
116. Major Heat Risk. Overexposure can cause heat cramps and heat
exhaustion to develop and, without intervention, can lead to heat
stroke.
* WHERE...A portion of south central Arizona.
* WHEN...Until 8 PM MST Friday.
* IMPACTS...Heat related illnesses increase significantly during
extreme heat events.
* ADDITIONAL DETAILS...In Maricopa County, call 2 1 1 to find a free
cooling center, transportation, water, and more.
https://www.maricopa.gov/heat
PRECAUTIONARY/PREPAREDNESS ACTIONS...
An Extreme Heat Warning means that a period of very hot
temperatures, even by local standards, will occur. Actions should be
taken to lessen the impact of the extreme heat.
Take extra precautions if you work or spend time outside. When
possible, reschedule strenuous activities to early morning or
evening. Know the signs and symptoms of heat exhaustion and heat
stroke. Wear lightweight and loose-fitting clothing when possible
and drink plenty of water.
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.
Public cooling shelters are available in some areas. Consult county
officials for more details.
&&
$$
Fire Weather Watch
URGENT - FIRE WEATHER MESSAGE
National Weather Service Flagstaff AZ
808 AM MST Wed Jun 18 2025
AZZ107>117-139-140-191200-
/O.NEW.KFGZ.FW.A.0007.250620T1500Z-250622T0300Z/
Coconino Plateau (Fire Weather Zone 107)-
Yavapai County Mountains (Fire Weather Zone 108)-
Northeast Plateau And Mesas Hwy 264 Northward (Fire Weather Zone
109)-Chinle Valley (Fire Weather Zone 110)-
Chuska Mountains and Defiance Plateau (Fire Weather Zone 111)-
Little Colorado River Valley in Coconino County (Fire Weather
Zone 112)-
Little Colorado River Valley in Navajo County (Fire Weather Zone
113)-
Little Colorado River Valley in Apache County (Fire Weather Zone
114)-Western Mogollon Rim (Fire Weather Zone 115)-
Eastern Mogollon Rim (Fire Weather Zone 116)-
White Mountains (Fire Weather Zone 117)-
Black Mesa Area (Fire Weather Zone 139)-
Northeast Plateaus and Mesas South of Hwy 264 (Fire Weather Zone
140)-
808 AM MST Wed Jun 18 2025 /908 AM MDT Wed Jun 18 2025/ /808 AM MST Wed Jun 18 2025/
...FIRE WEATHER WATCH IN EFFECT FROM FRIDAY MORNING THROUGH
SATURDAY EVENING DUE TO STRONG WINDS AND LOW RELATIVE HUMIDITY
FOR MUCH OF NORTHERN ARIZONA FROM 8AM FRIDAY TO 8PM SATURDAY.
The National Weather Service in Flagstaff has issued a Fire
Weather Watch due to strong winds and low relative humidity, which
is in effect from Friday morning through Saturday evening.
* AFFECTED AREA...Locations near Alpine, Buffalo Pass, Chinle,
Dilkon, Doney Park, Eagar-Springerville, Flagstaff, Forest
Lakes, Ganado, Heber-Overgaard, Holbrook, Kayenta, Kykotsmovi,
Pinetop- Lakeside, Prescott, Prescott Valley, Saint Johns,
Seligman, Shonto, Show Low, Snowflake-Taylor, Tuba City,
Valle, Whiteriver, Williams, Window Rock and Winslow. This
includes portions of the Apache-Sitgreaves National Forest,
Coconino National Forest, Kaibab National Forest, Prescott
National Forest and Tonto National Forest.
* WINDS...Southwest 20 to 35 mph with gusts up to 45 mph.
* RELATIVE HUMIDITY...As low as 5 percent.
* IMPACTS...The combination of gusty winds and low humidity can
cause fire to rapidly grow in size and intensity before first
responders can contain them.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Fire Weather Watch means that critical fire weather conditions
are possible. Listen for later forecasts and possible Red Flag
Warnings.
Please notify field crews of this Fire Weather Watch.
&&
$$
For more information from the National Weather Service visit
http://weather.gov/flagstaff
Air Quality Alert
NMZ403-425-426-191800-
Southern Gila Foothills/Mimbres Valley-
Central Grant County/Silver City Area-
Southern Gila Region Highlands/Black Range-
Including the cities of Hurley, Faywood, Grant County Airport,
Silver City, Mimbres, Fort Bayard, Lake Roberts, and Kingston
645 AM MDT Wed Jun 18 2025
...AIR QUALITY ALERT IN EFFECT UNTIL NOON MDT THURSDAY...
The following message is transmitted at the request of the Grant County
OEM and the Interagency Wildland Fire Air Quality Response Program.
* WHAT...Periods of UNHEALTHY to HAZARDOUS air quality levels due to wildfire smoke.
* WHERE...Areas downstream of the Trout Fire in Grant County in southwest
New Mexico. This includes the Sapillo Creek and Mimbres Valley along Highway
35 and along Highway 152 between Santa Clara and San Lorenzo.
* WHEN...This morning through noon today and late tonight through
noon MDT Thursday.
* IMPACTS...Everyone should avoid any outdoor exertion; people with
respiratory disease such as asthma, should remain indoors. People with
heart disease, symptoms such as a fast pulse or heartbeat, shortness of
breath, or unusual weakness may indicate a health problem. If you
have any of these, call your health care provider.
* HEALTH INFORMATION...Remember, your eyes are your best tools to
determine if it is safe to be outside. Use the 5-3-1 Method available
at https://nmtracking.doh.nm.gov/environment/air/FireAndSmoke.html.
If visibility is:
Under 5 miles, the air quality is unhealthy for young children,
adults over age 65, pregnant women, and people with heart
and/or lung disease, asthma or other respiratory illness.
Outdoor activity should be minimized.
Around 3 miles, young children, adults over age 65, pregnant
women, and people with heart and/or lung disease, asthma or other
respiratory illness should avoid all outdoor activities.
Around 1 mile, the air quality is unhealthy for everyone. People
should remain indoors and avoid all outdoor activities including
running errands. Unless an evacuation has been issued, stay inside
your home, indoor workplace, or in a safe shelter.
For smoke forecast outlooks from the Interagency Wildland Fire Air
Quality Response Program please visit:
https://outlooks.wildlandfiresmoke.net.
$$
MS/LPR
AZC013-190400-
Air Quality Alert
Relayed by National Weather Service Phoenix AZ
935 AM MST Tue Jun 17 2025
...OZONE HIGH POLLUTION ADVISORY FOR MARICOPA COUNTY INCLUDING THE
PHOENIX METRO AREA WEDNESDAY...
The Arizona Department of Environmental Quality (ADEQ) has issued an
Ozone High Pollution Advisory for the Phoenix Metro Area on
Wednesday.
This means that forecast weather conditions combined with existing
ozone levels are expected to result in local maximum 8-hour ozone
concentrations that pose a health risk. Adverse health effects
increase as air quality deteriorates.
Ozone is an air contaminant which can cause breathing difficulties
for children, older adults, as well as persons with respiratory
problems. A decrease in physical activity is recommended.
You are urged to car pool, telecommute or use mass transit.
The use of gasoline-powered equipment should be reduced or done late
in the day.
For details on this High Pollution Advisory, visit the ADEQ internet
site at www.azdeq.gov/forecast/phoenix or call 602-771-2300.
$$
