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Excessive Heat Warning


URGENT - WEATHER MESSAGE
National Weather Service Phoenix AZ
429 PM MST Sat Jul 20 2024

AZZ530-CAZ560>570-210330-
/O.CON.KPSR.EH.W.0006.000000T0000Z-240722T0300Z/
Parker Valley-Joshua Tree NP West-Joshua Tree NP East-Imperial
County Southwest-Salton Sea-Chuckwalla Mountains-Imperial County
Southeast-Imperial County West-Imperial Valley-Chiriaco Summit-
Palo Verde Valley-Chuckwalla Valley-
Including the cities of Winona, Chiriaco Summit, Blythe,
Ehrenberg, Winterhaven, Plaster City, Palo Verde, Calexico,
Midland, Imperial Hot Mineral Springs, Desert Shores, Coolidge
Springs, El Centro, Brawley, Ripley, Alamorio, Lost Horse-Keys
Village, Cottonwood Visitor, Martinez Lake, Coyote Wells, Salton
City, Parker, Ocotillo, and Mountain Spring
429 PM MST Sat Jul 20 2024 /429 PM PDT Sat Jul 20 2024/

...EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM MST /8 PM
PDT/ SUNDAY...

* WHAT...Dangerously hot conditions. Afternoon temperatures 110 to
  118. 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 and southern
  California.

* WHEN...Until 8 PM MST /8 PM PDT/ Sunday.

* IMPACTS...Heat related illnesses increase significantly during
  extreme heat events.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

An Excessive 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
429 PM MST Sat Jul 20 2024

AZZ537-540-542>544-546-548-550-551-210300-
/O.CON.KPSR.EH.W.0006.000000T0000Z-240721T0300Z/
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 Tempe, Surprise, Cashion, Liberty,
Phoenix, Circle City, Paradise Valley, Queen Creek, Beardsley,
Mesa, Wittmann, Chandler, Goodyear, Sun Lakes, Peoria, Avondale,
Gilbert, and Sun City West
429 PM MST Sat Jul 20 2024

...EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM MST THIS
EVENING...

* WHAT...Dangerously hot conditions. Afternoon temperatures 112 to
  115. Major Heat Risk. Overexposure can cause heat cramps and heat
  exhaustion to develop and, without intervention, can lead to heat
  stroke.

* WHERE...The Northwest Valley of the Phoenix Metro Area, The East
  Valley of the Phoenix Metro Area, Buckeye/Avondale, Deer Valley,
  Central Phoenix, North Phoenix/Glendale, Scottsdale/Paradise
  Valley, South Mountain/Ahwatukee, and Southeast Valley/Queen Creek.

* WHEN...Until 8 PM MST this evening.

* 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 Excessive 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
429 PM MST Sat Jul 20 2024

AZZ534-538-539-541-545-549-552>555-559-210300-
/O.CON.KPSR.EH.W.0006.000000T0000Z-240721T0300Z/
Aguila Valley-Tonopah Desert-Gila Bend-Cave Creek/New River-New
River Mesa-Fountain Hills/East Mesa-Superior-Northwest Pinal
County-West Pinal County-Apache Junction/Gold Canyon-Sonoran
Desert Natl Monument-
Including the cities of Fountain Hills, Cactus Forest, Gila Bend,
Coolidge, Sentinel, Wickenburg, Scottsdale, Apache Junction,
Florence, Arlington, Hassayampa, Wintersburg, Aguila, Casa
Grande, Gladden, Tonopah, Superior, and Kaka
429 PM MST Sat Jul 20 2024

...EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM MST THIS
EVENING...

* WHAT...Dangerously hot conditions. Afternoon temperatures 110 to
  115. 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 this evening.

* IMPACTS...Heat related illnesses increase significantly during
  extreme heat events.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

An Excessive 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
429 PM MST Sat Jul 20 2024

AZZ531-533-535-536-210300-
/O.CON.KPSR.EH.W.0006.000000T0000Z-240721T0300Z/
Kofa-Central La Paz-Southeast Yuma County-Gila River Valley-
Including the cities of Quartzsite, Vicksburg Junction, Harcuvar,
Ligurta, Salome, Brenda, Palm Canyon, and Vicksburg
429 PM MST Sat Jul 20 2024

...EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM MST THIS
EVENING...

* WHAT...Dangerously hot conditions. Afternoon temperatures 110 to
  116. Major Heat Risk. Overexposure can cause heat cramps and heat
  exhaustion to develop and, without intervention, can lead to heat
  stroke.

* WHERE...Central La Paz County, Kofa, Southeast Yuma County, and
  Gila River Valley.

* WHEN...Until 8 PM MST this evening.

* IMPACTS...Heat related illnesses increase significantly during
  extreme heat events.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

An Excessive 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
429 PM MST Sat Jul 20 2024

AZZ532-210330-
/O.EXT.KPSR.EH.W.0006.000000T0000Z-240722T0300Z/
Yuma-
Including the cities of Yuma and Fortuna Foothills
429 PM MST Sat Jul 20 2024

...EXCESSIVE HEAT WARNING NOW IN EFFECT UNTIL 8 PM MST SUNDAY...

* WHAT...Dangerously hot conditions. Afternoon temperatures 110 to
  112 with heat indices of 114 to 116. Major Heat Risk. Overexposure
  can cause heat cramps and heat exhaustion to develop and, without
  intervention, can lead to heat stroke.

* WHERE...Yuma.

* WHEN...Until 8 PM MST Sunday.

* IMPACTS...Heat related illnesses increase significantly during
  extreme heat events.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

An Excessive 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 Las Vegas NV
957 AM PDT Sat Jul 20 2024

AZZ002-003-036-CAZ525>527-NVZ021-211200-
/O.CON.KVEF.EH.W.0004.000000T0000Z-240722T0400Z/
Lake Havasu and Fort Mohave-Northwest Deserts-Lake Mead National
Recreation Area-Morongo Basin-Cadiz Basin-San Bernardino County-
Upper Colorado River Valley-Lake Mead National Recreation Area-
Including the cities of Bullhead City, Wikieup, Oatman, Lake
Havasu City, Needles, Hoover Dam, Twentynine Palms, Yucca Valley,
Mohave Valley, Valentine, Desert Hills, Yucca, Golden Valley,
Morongo Valley, Vidal Junction, Topock, Dolan Springs, Laughlin,
and Kingman
957 AM PDT Sat Jul 20 2024 /957 AM MST Sat Jul 20 2024/

...EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 9 PM PDT / MST
SUNDAY...

* WHAT...Dangerously hot conditions expected. Temperatures in the
  Colorado River Valley and around Lake Mead, Lake Mohave, and Lake
  Havasu will range from 112 to 118. Central and southern Mohave
  County including the Kingman area will range from 106 to 112.
  Cadiz and Morongo Basins will range from 110 to 117.

* WHERE...Lake Mead National Recreation Area, Lake Havasu and Fort
  Mohave, Northwest Deserts, Morongo Basin, Cadiz Basin, and San
  Bernardino County-Upper Colorado River Valley.

* WHEN...Until 9 PM PDT / MST Sunday.

* IMPACTS...Heat-related illnesses increase significantly during
  extreme heat events.

* ADDITIONAL DETAILS...Hot temperatures overnight will mean little
  relief from the daytime heat, especially in lower elevations of
  the Colorado River Valley, where low temperatures may not fall
  below 90 degrees.

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.

&&

$$

URGENT - WEATHER MESSAGE
National Weather Service Las Vegas NV
957 AM PDT Sat Jul 20 2024

CAZ522>524-NVZ016-017-020-022-211200-
/O.CON.KVEF.EH.W.0004.240720T1700Z-240722T0400Z/
Death Valley National Park-Western Mojave Desert-Eastern Mojave
Desert-Northeast Clark County-Western Clark and Southern Nye
County-Las Vegas Valley-Southern Clark County-
Including the cities of Stovepipe Wells, Baker, Henderson,
Mesquite, Furnace Creek, Barstow, Boulder City, Fort Irwin, North
Las Vegas, Mountain Pass, Daggett, Desert Rock, Moapa, Las Vegas,
Indian Springs, Primm, Shoshone, Overton, Mitchell Caverns,
Cal-Nev-Ari, Pahrump, Amargosa Valley, and Searchlight
957 AM PDT Sat Jul 20 2024

...EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 9 PM PDT SUNDAY...

* WHAT...Dangerously hot conditions. Temperatures in the Las Vegas
  Valley, Western Mojave Desert, and Pahrump will range from 110 to
  115. Death Valley National Park can expect temperatures above 120.

* WHERE...In California, Death Valley National Park, Eastern Mojave
  Desert, and Western Mojave Desert. In Nevada, Las Vegas Valley,
  Northeast Clark County, Southern Clark County, and Western Clark
  and Southern Nye County.

* WHEN...Until 9 PM PDT Sunday.

* IMPACTS...Heat-related illnesses increase significantly during
  extreme heat events.

* ADDITIONAL DETAILS...Hot temperatures overnight will mean little
  relief from the daytime heat, especially in Death Valley and the
  Las Vegas Valley, where low temperatures may not fall below 90
  degrees.

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

U.S. Dept. of Commerce
NOAA National Weather Service
1325 East West Highway
Silver Spring, MD 20910
E-mail: w-nws.webmaster@noaa.gov
Page last modified: June 2, 2009
NATIONAL WEATHER SERVICE: for Safety, for Work, for Fun - FOR LIFE