Extreme Heat Warning
URGENT - WEATHER MESSAGE
National Weather Service Phoenix AZ
1232 AM MST Fri Jul 31 2026
AZZ534-538-539-541-549-553>555-559-312230-
/O.CON.KPSR.XH.W.0007.000000T0000Z-260804T0300Z/
Aguila Valley-Tonopah Desert-Gila Bend-Cave Creek/New River-
Fountain Hills/East Mesa-Northwest Pinal County-West Pinal County-
Apache Junction/Gold Canyon-Sonoran Desert Natl Monument-
Including the cities of Kaka, Fountain Hills, Apache Junction,
Sentinel, Wickenburg, Arlington, Florence, Coolidge, Gila Bend,
Scottsdale, Wintersburg, Aguila, Casa Grande, Tonopah, Hassayampa,
Gladden, and Cactus Forest
1232 AM MST Fri Jul 31 2026
...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM MST MONDAY...
* WHAT...Dangerously hot conditions. Afternoon temperatures 109 to
119. Major to Extreme Heat Risk.
* WHERE...Aguila Valley, Apache Junction/Gold Canyon, Cave Creek/New
River, Fountain Hills/East Mesa, Gila Bend, Northwest Pinal County,
Sonoran Desert Natl Monument, Tonopah Desert, and West Pinal
County.
* WHEN...Until 8 PM MST Monday.
* IMPACTS...Increase in heat related illnesses, including heat
cramps, heat exhaustion, and heat stroke. Heat stroke can lead to
death.
* 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.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service Phoenix AZ
1232 AM MST Fri Jul 31 2026
AZZ537-540-542>544-546-548-550-551-312230-
/O.CON.KPSR.XH.W.0007.000000T0000Z-260804T0300Z/
Northwest Valley-Buckeye/Avondale-Deer Valley-Central Phoenix-
North Phoenix/Glendale-Scottsdale/Paradise Valley-East Valley-
South Mountain/Ahwatukee-Southeast Valley/Queen Creek-
Including the cities of Liberty, Sun City West, Surprise, Queen
Creek, Avondale, Goodyear, Mesa, Gilbert, Wittmann, Chandler,
Cashion, Beardsley, Peoria, Phoenix, Paradise Valley, Circle City,
Sun Lakes, and Tempe
1232 AM MST Fri Jul 31 2026
...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM MST MONDAY...
* WHAT...Dangerously hot conditions. Afternoon temperatures 112 to
117. Major to Extreme Heat Risk.
* WHERE...The Phoenix metropolitan area.
* WHEN...Until 8 PM MST Monday.
* IMPACTS...Increase in heat related illnesses, including heat
cramps, heat exhaustion, and heat stroke. Heat stroke can lead to
death.
* 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.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service Phoenix AZ
1232 AM MST Fri Jul 31 2026
AZZ530-532-CAZ567-569-570-312230-
/O.CON.KPSR.XH.W.0007.000000T0000Z-260804T0300Z/
Parker Valley-Yuma-Imperial Valley-Palo Verde Valley-Chuckwalla
Valley-
Including the cities of Palo Verde, Fortuna Foothills, Calexico,
Ripley, Ehrenberg, Martinez Lake, Parker, Blythe, Midland, Alamorio,
El Centro, Brawley, and Yuma
1232 AM MST Fri Jul 31 2026 /1232 AM PDT Fri Jul 31 2026/
...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM MST /8 PM PDT/
MONDAY...
* WHAT...Dangerously hot conditions. Afternoon temperatures 112 to
120. Major to Extreme Heat Risk.
* WHERE...In Arizona, Parker Valley and Yuma. In California, Imperial
Valley, and Palo Verde Valley.
* WHEN...Until 8 PM MST /8 PM PDT/ Monday.
* IMPACTS...Increase in heat related illnesses, including heat
cramps, heat exhaustion, and heat stroke. Heat stroke can lead to
death.
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.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service Phoenix AZ
1232 AM MST Fri Jul 31 2026
AZZ531-533-535-536-CAZ560>566-568-312230-
/O.CON.KPSR.XH.W.0007.000000T0000Z-260804T0300Z/
Kofa-Central La Paz-Southeast Yuma County-Gila River Valley-
Joshua Tree NP West-Joshua Tree NP East-Imperial County Southwest-
Salton Sea-Chuckwalla Mountains-Imperial County Southeast-
Imperial County West-Chiriaco Summit-
Including the cities of Harcuvar, Winterhaven, Plaster City,
Ocotillo, Coyote Wells, Vicksburg Junction, Winona, Brenda,
Quartzsite, Chiriaco Summit, Cottonwood Visitor, Palm Canyon,
Lost Horse-Keys Village, Imperial Hot Mineral Springs, Desert
Shores, Salome, Coolidge Springs, Ligurta, Mountain Spring,
Vicksburg, and Salton City
1232 AM MST Fri Jul 31 2026 /1232 AM PDT Fri Jul 31 2026/
...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM MST /8 PM PDT/
MONDAY...
* WHAT...Dangerously hot conditions. Afternoon temperatures 108 to
120. Major to Extreme Heat Risk.
* WHERE...Mostly rural portions of southwest Arizona and southeast
California, including Joshua Tree National Park.
* WHEN...Until 8 PM MST /8 PM PDT/ Monday.
* IMPACTS...Increase in heat related illnesses, including heat
cramps, heat exhaustion, and heat stroke. Heat stroke can lead to
death.
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.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service Phoenix AZ
1232 AM MST Fri Jul 31 2026
AZZ545-547-552-556>558-560>563-312230-
/O.CON.KPSR.XH.W.0007.000000T0000Z-260804T0300Z/
New River Mesa-Rio Verde/Salt River-Superior-Tonto Basin-Mazatzal
Mountains-Pinal/Superstition Mountains-San Carlos-Dripping
Springs-Globe/Miami-Southeast Gila County-
Including the cities of Globe, Superior, Sunflower, Hayden, Miami,
San Carlos, Punkin Center, Peridot, Tortilla Flat, and Winkelman
1232 AM MST Fri Jul 31 2026
...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM MST MONDAY...
* WHAT...Dangerously hot conditions. Afternoon temperatures 98 to
115. Major to Extreme Heat Risk.
* WHERE...Dripping Springs, Globe/Miami, Mazatzal Mountains, New
River Mesa, Pinal/Superstition Mountains, Rio Verde/Salt River, San
Carlos, Southeast Gila County, Superior, and Tonto Basin.
* WHEN...Until 8 PM MST Monday.
* IMPACTS...Increase in heat related illnesses, including heat
cramps, heat exhaustion, and heat stroke. Heat stroke can lead to
death.
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.
&&
$$
CK
URGENT - WEATHER MESSAGE
National Weather Service San Diego CA
204 AM PDT Fri Jul 31 2026
CAZ058-312230-
/O.CON.KSGX.XH.W.0007.000000T0000Z-260803T0300Z/
San Diego County Mountains-
Including the cities of Julian and Pine Valley
204 AM PDT Fri Jul 31 2026
...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM PDT SUNDAY...
* WHAT...Dangerously hot conditions with high temperatures in the
mid 90s to 105 expected.
* WHERE...San Diego County Mountains.
* WHEN...Until 8 PM PDT Sunday.
* IMPACTS...Heat related illnesses increase significantly during
extreme heat events.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service San Diego CA
204 AM PDT Fri Jul 31 2026
CAZ056-312230-
/O.CON.KSGX.XH.W.0007.000000T0000Z-260803T0300Z/
Riverside County Mountains-
Including the cities of Idyllwild-Pine Cove
204 AM PDT Fri Jul 31 2026
...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM PDT SUNDAY...
* WHAT...Dangerously hot conditions with high temperatures in the
mid 90s to 105 below 7000 feet expected.
* WHERE...Riverside County Mountains.
* WHEN...Until 8 PM PDT 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.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service San Diego CA
204 AM PDT Fri Jul 31 2026
CAZ060-312230-
/O.CON.KSGX.XH.W.0007.000000T0000Z-260803T0300Z/
Apple and Lucerne Valleys-
Including the cities of Hesperia, Victorville, Lucerne Valley,
and Apple Valley
204 AM PDT Fri Jul 31 2026
...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM PDT SUNDAY...
* WHAT...Dangerously hot conditions with temperatures of 100 to 112
expected.
* WHERE...Apple and Lucerne Valleys.
* WHEN...Until 8 PM PDT Sunday.
* IMPACTS...Heat related illnesses increase significantly during
extreme heat events.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service San Diego CA
204 AM PDT Fri Jul 31 2026
CAZ061-062-065-312230-
/O.EXT.KSGX.XH.W.0007.000000T0000Z-260804T0300Z/
Coachella Valley-San Diego County Deserts-San Gorgonio Pass near
Banning-
Including the cities of Borrego Springs, Palm Springs, Palm
Desert Country, La Quinta, Indio, Cathedral City, Palm Desert,
and Coachella
204 AM PDT Fri Jul 31 2026
...EXTREME HEAT WARNING NOW IN EFFECT UNTIL 8 PM PDT MONDAY...
* WHAT...Dangerously hot conditions with high temperatures of 115 to
120 expected.
* WHERE...Coachella Valley, San Diego County Deserts, and San
Gorgonio Pass near Banning.
* WHEN...Until 8 PM PDT 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.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service San Diego CA
204 AM PDT Fri Jul 31 2026
CAZ050-312230-
/O.CON.KSGX.XH.W.0007.260731T1700Z-260803T0300Z/
San Diego County Valleys-
Including the cities of San Marcos, Santee, El Cajon, La Mesa,
Poway, and Escondido
204 AM PDT Fri Jul 31 2026
...EXTREME HEAT WARNING REMAINS IN EFFECT FROM 10 AM THIS MORNING TO
8 PM PDT SUNDAY...
* WHAT...Dangerously hot conditions with high temperatures in the
mid 90s in the western valleys to around 105 near the foothills
expected.
* WHERE...San Diego County Valleys.
* WHEN...From 10 AM this morning to 8 PM PDT Sunday.
* IMPACTS...Heat related illnesses increase significantly during
extreme heat events.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service San Diego CA
204 AM PDT Fri Jul 31 2026
CAZ048-312230-
/O.CON.KSGX.XH.W.0007.000000T0000Z-260803T0300Z/
San Bernardino and Riverside County Valleys-The Inland Empire-
Including the cities of San Bernardino, Riverside, Rancho
Cucamonga, Corona, Ontario, Fontana, and Moreno Valley
204 AM PDT Fri Jul 31 2026
...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM PDT SUNDAY...
* WHAT...Dangerously hot conditions with high temperatures in the
upper 90s to 110 expected.
* WHERE...San Bernardino and Riverside County Valleys-The Inland
Empire.
* WHEN...Until 8 PM PDT 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.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service Flagstaff AZ
1035 PM MST Thu Jul 30 2026
AZZ018-037-311900-
/O.CON.KFGZ.XH.W.0007.260731T1700Z-260803T0300Z/
Northern Gila County-Yavapai County Valleys and Basins-
Including the cities of Bagdad, Payson, Young, Strawberry, Cordes
Junction, Cottonwood, and Camp Verde
1035 PM MST Thu Jul 30 2026
...EXTREME HEAT WARNING REMAINS IN EFFECT FROM 10 AM FRIDAY TO 8 PM
MST SUNDAY BELOW 4000 FEET...
* WHAT...Dangerously hot conditions, with temperatures around 107 to
114 expected below 4000 feet.
* WHERE...Northern Gila and Yavapai counties below 4000 feet;
including the Verde Valley and Black Canyon City.
* WHEN...From 10 AM Friday to 8 PM MST Sunday.
* IMPACTS...Most individuals will be at risk for heat-related
illnesses without effective cooling or adequate hydration,
especially with prolonged outdoor exposure.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.
Do not leave young children and pets in unattended vehicles. Car
interiors will reach lethal temperatures in a matter of minutes.
Take action when you see symptoms of heat exhaustion and heat stroke.
Anyone overcome by heat should be moved to a cool and shaded
location. Heat stroke is an emergency! Call 9 1 1.
Stay cool, stay hydrated, stay informed.
&&
$$
Humphreys
URGENT - WEATHER MESSAGE
National Weather Service Flagstaff AZ
1035 PM MST Thu Jul 30 2026
AZZ006-311900-
/O.CON.KFGZ.XH.W.0007.000000T0000Z-260803T0300Z/
Grand Canyon Country-
Including the cities of Grand Canyon Village, Tusayan, Grand Canyon
North Rim, and Supai
1035 PM MST Thu Jul 30 2026
...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM MST SUNDAY BELOW
4000 FEET...
* WHAT...Dangerously hot conditions expected below 4000 feet, with
daytime temperatures ranging from 104 to 109 degrees at Havasupai
Gardens, and 112 to 117 degrees at Phantom Ranch.
* WHERE...northern Gila and Yavapai counties below 4000 feet;
including the Verde Valley and Black Canyon City.
* WHEN...Until 8 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.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service Flagstaff AZ
1035 PM MST Thu Jul 30 2026
AZZ005-038-311900-
/O.CON.KFGZ.XH.W.0007.260731T1700Z-260803T0300Z/
Marble and Glen Canyons-Oak Creek and Sycamore Canyons-
Including the cities of Page, Sedona, Lees Ferry, and Village of Oak
Creek
1035 PM MST Thu Jul 30 2026 /1135 PM MDT Thu Jul 30 2026/
...EXTREME HEAT WARNING REMAINS IN EFFECT FROM 10 AM MST /11 AM MDT/
FRIDAY TO 8 PM MST /9 PM MDT/ SUNDAY...
* WHAT...Dangerously hot conditions, with temperatures around 105 to
110 expected.
* WHERE...Marble Canyon, Glen Canyon, and Oak Creek Canyon; including
Page and Sedona.
* WHEN...From 10 AM MST /11 AM MDT/ Friday to 8 PM MST /9 PM MDT/
Sunday.
* IMPACTS...Most individuals will be at risk for heat-related
illnesses without effective cooling or adequate hydration,
especially with prolonged outdoor exposure.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.
Do not leave young children and pets in unattended vehicles. Car
interiors will reach lethal temperatures in a matter of minutes.
Take action when you see symptoms of heat exhaustion and heat stroke.
Anyone overcome by heat should be moved to a cool and shaded
location. Heat stroke is an emergency! Call 9 1 1.
Stay cool, stay hydrated, stay informed.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service Salt Lake City UT
259 PM MDT Thu Jul 30 2026
UTZ123-124-128>131-311200-
/O.CON.KSLC.XH.W.0003.260731T1800Z-260803T0300Z/
Lower Washington County-Zion National Park-South Central Utah-
Capitol Reef National Park and Vicinity-Western Canyonlands-Glen
Canyon Recreation Area/Lake Powell-
Including the following locations - Kanab, Ivins, Springdale,
Escalante, Big Water, Loa, Torrey, Bullfrog, Hurricane,
Hanksville, and St George
259 PM MDT Thu Jul 30 2026
...EXTREME HEAT WARNING REMAINS IN EFFECT FROM NOON FRIDAY TO 9 PM
MDT SUNDAY...
* WHAT...Dangerously hot conditions with temperatures up to 105 on
Friday, up to 106 on Saturday, and up to 108 on Sunday. Warm
overnight lows in the upper 60s to mid 70s will offer little
relief.
* WHERE...Capitol Reef National Park and Vicinity, Glen Canyon
Recreation Area/Lake Powell, South Central Utah, Western
Canyonlands, Lower Washington County, and Zion National Park.
* WHEN...From noon Friday to 9 PM MDT 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.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service Tucson AZ
1228 PM MST Thu Jul 30 2026
AZZ501>509-311200-
/O.CON.KTWC.XH.W.0005.000000T0000Z-260803T0300Z/
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 Safford, Green Valley, Willcox, Tucson,
Douglas, Mammoth, Benson, Ajo, Nogales, Clifton, Marana, Vail,
Sierra Vista, Picacho Peak State Park, Organ Pipe Cactus N.M.,
Oracle, and Sells
1228 PM MST Thu Jul 30 2026
...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM MST SUNDAY...
* WHAT...Dangerously hot conditions with temperatures 101 to 106 in
Santa Cruz and Cochise Counties and 107 to 113 elsewhere. Major to
Extreme HeatRisk is expected.
* 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...Until 8 PM MST Sunday.
* IMPACTS...Heat related illnesses increase significantly during
extreme heat events.
* ADDITIONAL DETAILS...Warm overnight low temperatures of 84 to 90
degrees will provide little to no relief from heat overnight.
Warmest overnight low temperatures expected in the Western Deserts.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
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.
&&
$$
GEL
URGENT - WEATHER MESSAGE
National Weather Service Las Vegas NV
932 AM PDT Thu Jul 30 2026
AZZ001-002-570-571-575-576-CAZ522>527-581-582-NVZ014>017-020-022-025-
026-311100-
/O.CON.KVEF.XH.W.0003.260730T1700Z-260803T0300Z/
Northwest Plateau-Lake Havasu and Fort Mohave-Lake Mead - AZ side-
Lake Mohave - AZ side-Hualapai Mountains-Northwest Deserts-Death
Valley National Park-Western Mojave Desert-Eastern Mojave Desert-
Morongo Basin-Cadiz Basin-San Bernardino County-Upper Colorado
River Valley-Owens Valley South-Owens Valley North-Esmeralda and
Central Nye County-Lincoln County-Northeast Clark County-Western
Clark and Southern Nye County-Las Vegas Valley-Southern Clark
County-Lake Mead - NV side-Lake Mohave - NV side-
Including the cities of Lake Havasu City, Vidal Junction, Primm, Fort
Irwin, Mesquite, Mitchell Caverns, Western Grand Canyon,
Yucca, Cal-Nev-Ari, Golden Valley, Twentynine Palms, Valentine,
Needles, Shoshone, Beatty, Dolan Springs, Temple Bar, Searchlight,
Pioche, Panaca, Alamo, Wikieup, Mountain Pass, Henderson, South Cove,
Daggett, Rachel, Furnace Creek, Silver Peak, Dyer, North Las Vegas,
Morongo Valley, Indian Springs, Stovepipe Wells, Caliente, Bullhead
City, Barstow, Bishop, Desert Rock, Hualapai Peak, Boulder City,
Independence, Goldfield, Yucca Valley, Hoover Dam, Moapa, Topock,
Kingman, Amargosa Valley, Desert Hills, Baker, Lone Pine, Pahrump,
Laughlin, Pipe Spring National Monument, Overton, Las Vegas, Hiko,
Colorado City, Tuweep, Olancha, and Mt Trumbull
932 AM PDT Thu Jul 30 2026 /932 AM MST Thu Jul 30 2026/
...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM PDT /8 PM MST/
SUNDAY...
* WHAT...Dangerously hot conditions with highs 110 to 120 degrees
across the Mojave Desert. Highs 100 to 110 degrees across most of
the southern Great Basin and Arizona Strip. Little to no overnight
relief is expected, particularly in the Mojave Desert where lows of
80 to 95 degrees are forecast. This will result in major to extreme
heat risk.
* WHERE...Portions of northwest Arizona, southeast California, and
south central and southern Nevada.
* WHEN...Until 8 PM PDT /8 PM 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.
&&
$$
