Extreme Heat Warning
URGENT - WEATHER MESSAGE
National Weather Service Flagstaff AZ
1046 AM MST Fri Jun 13 2025
AZZ006-140200-
/O.CON.KFGZ.XH.W.0001.250614T1700Z-250616T0200Z/
Grand Canyon Country-
Including the cities of Grand Canyon Village, North Rim, and
Supai
1046 AM MST Fri Jun 13 2025
...EXTREME HEAT WARNING REMAINS IN EFFECT FROM 10 AM SATURDAY TO 7
PM MST SUNDAY BELOW 4000 FEET...
* WHAT...Dangerously hot conditions expected below 4000 feet, with
daytime temperatures ranging from 102 degrees at Havasupai
Gardens, to 110 degrees at Phantom Ranch.
* WHERE...Lower Elevations of the Grand Canyon.
* WHEN...From 10 AM Saturday to 7 PM MST Sunday.
* IMPACTS...Most individuals will be at risk for heat-related
illnesses without effective cooling or adequate hydration,
especially with prolonged outdoor exposure.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
This warning is reserved for only the hottest days of the year and
is issued when temperatures are expected to rise to dangerous levels.
Day hikers on Bright Angel Trail should descend no farther than 1
1/2 miles from the upper trailhead. Between the hours of 10 AM and 4
PM, hikers should be out of the canyon or at Havasupai Gardens or
Bright Angel campgrounds, physical activity is discouraged. All
hikers should have adequate gear, including a wide-brimmed hat,
sunscreen, salty snacks, sufficient water, and electrolyte mix.
Doubling your calorie intake helps maintain your energy.
Hike smart.
&&
$$
Lewandowski
URGENT - WEATHER MESSAGE
National Weather Service Tucson AZ
929 AM MST Fri Jun 13 2025
AZZ501>509-140030-
/O.CON.KTWC.XH.W.0001.250614T1700Z-250617T0300Z/
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 Douglas, Vail, Tucson, Ajo, Oracle, Green
Valley, Safford, Picacho Peak State Park, Willcox, Organ Pipe
Cactus N.M., Marana, Sierra Vista, Clifton, Benson, Nogales,
Mammoth, and Sells
929 AM MST Fri Jun 13 2025
...EXTREME HEAT WARNING REMAINS IN EFFECT FROM 10 AM SATURDAY TO 8
PM MST MONDAY...
* WHAT...Dangerously hot conditions with temperatures up to 112
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 100 to 106
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 Saturday to 8 PM MST Monday.
* 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.
&&
$$
AWH
URGENT - WEATHER MESSAGE
National Weather Service Las Vegas NV
213 AM PDT Fri Jun 13 2025
AZZ002-003-036-CAZ522-523-525-527-NVZ016-017-020-021-140000-
/O.NEW.KVEF.XH.W.0003.250615T1700Z-250616T0500Z/
Lake Havasu and Fort Mohave-Northwest Deserts-Lake Mead National
Recreation Area-Death Valley National Park-Western Mojave Desert-
Morongo Basin-San Bernardino County-Upper Colorado River Valley-
Northeast Clark County-Western Clark and Southern Nye County-Las
Vegas Valley-Lake Mead National Recreation Area-
Including the cities of Topock, Mesquite, Las Vegas, Shoshone,
Laughlin, Overton, Indian Springs, Yucca Valley, Moapa, Kingman,
Pahrump, Furnace Creek, Henderson, Needles, Stovepipe Wells,
Wikieup, Desert Hills, Bullhead City, Hoover Dam, Barstow,
Amargosa Valley, Morongo Valley, Golden Valley, Dolan Springs,
Boulder City, Valentine, Fort Irwin, North Las Vegas, Daggett,
Twentynine Palms, Desert Rock, Lake Havasu City, Yucca, Oatman,
and Mohave Valley
213 AM PDT Fri Jun 13 2025 /213 AM MST Fri Jun 13 2025/
...EXTREME HEAT WARNING IN EFFECT FROM 10 AM PDT / MST TO 10 PM PDT
/ MST SUNDAY...
* WHAT...Dangerously hot conditions for early June. High
temperatures will range 107 to 112 in Las Vegas, Moapa, Pahrump,
Barstow, and the Morongo Basin; 110 to 115 in Laughlin, Bullhead
City, Lake Mead National Recreation Area, Lake Mohave, and Lake
Havasu City; 115 to 120 in Death Valley National Park.
* WHERE...Portions of northwestern Arizona, southeastern California,
and southern Nevada.
* WHEN...From 10 AM PDT / MST to 10 PM PDT / MST Sunday.
* 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.
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.
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.
Monitor the latest forecasts and warnings for updates.
&&
$$
For more information from the National Weather Service visit
http://weather.gov/lasvegas
JCS
URGENT - WEATHER MESSAGE
National Weather Service Phoenix AZ
1208 AM MST Fri Jun 13 2025
AZZ537-540>544-546-548>551-132230-
/O.CON.KPSR.XH.W.0001.250614T1700Z-250617T0300Z/
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 Gilbert, Goodyear, Queen Creek, Tempe,
Beardsley, Surprise, Liberty, Chandler, Wittmann, Fountain Hills,
Avondale, Mesa, Cashion, Sun Lakes, Circle City, Peoria, Phoenix,
Scottsdale, Paradise Valley, and Sun City West
1208 AM MST Fri Jun 13 2025
...EXTREME HEAT WARNING REMAINS IN EFFECT FROM 10 AM SATURDAY TO 8
PM MST MONDAY...
* WHAT...Dangerously hot conditions. Afternoon temperatures 105 to
114 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, including the Phoenix
Metro.
* WHEN...From 10 AM Saturday to 8 PM MST Monday.
* 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.
&&
$$
CK
URGENT - WEATHER MESSAGE
National Weather Service Phoenix AZ
1208 AM MST Fri Jun 13 2025
AZZ534-538-539-547-552>556-559>562-132230-
/O.CON.KPSR.XH.W.0001.250614T1700Z-250617T0300Z/
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 Gila Bend, Gladden, Florence, Superior,
Kaka, Miami, Hassayampa, Tonopah, Tortilla Flat, Casa Grande,
Sentinel, San Carlos, Coolidge, Wintersburg, Peridot, Arlington,
Winkelman, Aguila, Punkin Center, Wickenburg, Cactus Forest,
Apache Junction, Globe, and Hayden
1208 AM MST Fri Jun 13 2025
...EXTREME HEAT WARNING REMAINS IN EFFECT FROM 10 AM SATURDAY TO 8
PM MST MONDAY...
* WHAT...Dangerously hot conditions. Afternoon temperatures 105 to
114 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 Saturday to 8 PM MST Monday.
* 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.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service Phoenix AZ
1208 AM MST Fri Jun 13 2025
AZZ530>533-535-536-CAZ562>567-569-570-132230-
/O.CON.KPSR.XH.W.0001.250614T1700Z-250617T0300Z/
Parker Valley-Kofa-Yuma-Central La Paz-Southeast Yuma County-Gila
River Valley-Imperial County Southwest-Salton Sea-Chuckwalla
Mountains-Imperial County Southeast-Imperial County West-Imperial
Valley-Palo Verde Valley-Chuckwalla Valley-
Including the cities of Desert Shores, Coyote Wells, Ripley,
Martinez Lake, Salome, Ocotillo, Vicksburg Junction, Plaster
City, Alamorio, Palm Canyon, Brenda, Mountain Spring, Parker,
Ligurta, Brawley, Quartzsite, Vicksburg, Calexico, Winona,
Winterhaven, Midland, Ehrenberg, Imperial Hot Mineral Springs,
Yuma, El Centro, Harcuvar, Fortuna Foothills, Palo Verde,
Coolidge Springs, Blythe, and Salton City
1208 AM MST Fri Jun 13 2025 /1208 AM PDT Fri Jun 13 2025/
...EXTREME HEAT WARNING REMAINS IN EFFECT FROM 10 AM MST /10 AM PDT/
SATURDAY TO 8 PM MST /8 PM PDT/ MONDAY...
* WHAT...Dangerously hot conditions. Afternoon temperatures 104 to
115 expected. Major Heat Risk. Overexposure can cause heat cramps
and heat exhaustion to develop and, without intervention, can lead
to heat stroke.
* WHERE...Portions of southwest Arizona and southeast California.
* WHEN...From 10 AM MST /10 AM PDT/ Saturday to 8 PM MST /8 PM PDT/
Monday.
* 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.
&&
$$