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Excessive Heat Warning


URGENT - WEATHER MESSAGE
National Weather Service Las Vegas NV
221 PM PDT Fri Oct 4 2024

AZZ002-036-CAZ527-NVZ021-050400-
/O.CON.KVEF.EH.W.0007.000000T0000Z-241007T0300Z/
Lake Havasu and Fort Mohave-Lake Mead National Recreation Area-
San Bernardino County-Upper Colorado River Valley-Lake Mead
National Recreation Area-
Including the cities of Bullhead City, Hoover Dam, Laughlin,
Mohave Valley, Topock, Desert Hills, Oatman, Needles, and Lake
Havasu City
221 PM PDT Fri Oct 4 2024 /221 PM MST Fri Oct 4 2024/

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

* WHAT...Dangerously hot conditions for early October with record to
  near record high temperatures of 107 to 110 degrees.

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

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

* IMPACTS...Heat-related illnesses increase significantly during
  extreme heat events, especially at the end of record-breaking
  summer heat.

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.

To reduce risk during outdoor work, the Occupational Safety and
Health Administration recommends scheduling frequent rest breaks in
shaded or air conditioned environments.

&&

$$

URGENT - WEATHER MESSAGE
National Weather Service Las Vegas NV
221 PM PDT Fri Oct 4 2024

AZZ003-050300-
/O.CON.KVEF.EH.W.0007.000000T0000Z-241005T0300Z/
Northwest Deserts-
Including the cities of Valentine, Dolan Springs, Golden Valley,
Kingman, Wikieup, and Yucca
221 PM MST Fri Oct 4 2024

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

* WHAT...Dangerously hot conditions for early October with high
  temperatures ranging from 100 to 105.

* WHERE...Northwest Deserts.

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

* IMPACTS...Heat-related illnesses increase significantly during
  extreme heat events, especially at the end of record-breaking
  summer heat.

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.

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 Las Vegas NV
221 PM PDT Fri Oct 4 2024

CAZ525-526-050400-
/O.CON.KVEF.EH.W.0007.000000T0000Z-241007T0300Z/
Morongo Basin-Cadiz Basin-
Including the cities of Yucca Valley, Morongo Valley, Twentynine
Palms, and Vidal Junction
221 PM PDT Fri Oct 4 2024

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

* WHAT...Dangerously hot conditions for early October. High
  temperatures around 105 degrees.

* WHERE...Cadiz Basin and Morongo Basin.

* WHEN...Until 8 PM PDT Sunday.

* IMPACTS...Heat related illnesses increase significantly during
  extreme heat events, especially at the end of record-breaking
  summer heat.

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 evening. Take action when you see symptoms of heat exhaustion and
heat stroke.

&&

$$

For more information from the National Weather Service visit
http://weather.gov/lasvegas

CO

URGENT - WEATHER MESSAGE
National Weather Service Las Vegas NV
221 PM PDT Fri Oct 4 2024

CAZ522-050400-
/O.CON.KVEF.EH.W.0007.000000T0000Z-241007T0300Z/
Death Valley National Park-
Including the cities of Shoshone, Furnace Creek, and Stovepipe
Wells
221 PM PDT Fri Oct 4 2024

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

* WHAT...Dangerously hot conditions for early October. Temperatures
  in the lower elevations of Death Valley National Park will top out
  around 110 to 113 degrees each afternoon.

* WHERE...Death Valley National Park.

* WHEN...Until 8 PM PDT Sunday.

* IMPACTS...Heat-related illnesses increase significantly during
  extreme heat events, especially at the end of record-breaking
  summer heat.

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 evening. Take action when you see symptoms of heat exhaustion and
heat stroke.

&&

$$

URGENT - WEATHER MESSAGE
National Weather Service San Diego CA
1247 PM PDT Fri Oct 4 2024

CAZ048-050615-
/O.CON.KSGX.EH.W.0010.000000T0000Z-241008T0300Z/
San Bernardino and Riverside County Valleys-The Inland Empire-
Including the cities of Corona, Rancho Cucamonga, Riverside,
Moreno Valley, Fontana, Ontario, and San Bernardino
1247 PM PDT Fri Oct 4 2024

...EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM PDT MONDAY...

* WHAT...Hot conditions with high temperatures in the upper 90s to
  105 expected. Low temperatures in the upper 60s to upper 70s near
  the foothills.

* WHERE...San Bernardino and Riverside County Valleys-The Inland
  Empire.

* WHEN...Until 8 PM PDT Monday.

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

* ADDITIONAL DETAILS...Hottest conditions expected over the weekend.

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
1247 PM PDT Fri Oct 4 2024

CAZ065-050615-
/O.CON.KSGX.EH.W.0010.000000T0000Z-241008T0300Z/
San Gorgonio Pass Near Banning-
Including the cities of Banning and Desert Hot Springs
1247 PM PDT Fri Oct 4 2024

...EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM PDT MONDAY...

* WHAT...Dangerously hot conditions with high temperatures of 106 to
  112 expected. Low temperatures in the northern Coachella Valley
  mostly in the 80s.

* WHERE...San Gorgonio Pass Near Banning.

* WHEN...Until 8 PM PDT Monday.

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

* ADDITIONAL DETAILS...Well above average temperatures will continue
  through early next week.

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. Avoid outdoor
recreation and take breaks if you must be outside.

&&

$$

URGENT - WEATHER MESSAGE
National Weather Service Phoenix AZ
1242 PM MST Fri Oct 4 2024

AZZ530>536-538-539-553>555-559-CAZ569-570-051200-
/O.CON.KPSR.EH.W.0010.000000T0000Z-241008T0300Z/
Parker Valley-Kofa-Yuma-Central La Paz-Aguila Valley-Southeast
Yuma County-Gila River Valley-Tonopah Desert-Gila Bend-Northwest
Pinal County-West Pinal County-Apache Junction/Gold Canyon-
Sonoran Desert Natl Monument-Palo Verde Valley-Chuckwalla Valley-
Including the cities of Palm Canyon, Sentinel, Hassayampa,
Gladden, Yuma, Midland, Wintersburg, Quartzsite, Casa Grande,
Salome, Harcuvar, Coolidge, Ligurta, Tonopah, Gila Bend, Fortuna
Foothills, Blythe, Parker, Vicksburg Junction, Martinez Lake,
Ripley, Brenda, Apache Junction, Vicksburg, Arlington, Ehrenberg,
Kaka, Aguila, Palo Verde, Cactus Forest, Florence, and Wickenburg
1242 PM MST Fri Oct 4 2024 /1242 PM PDT Fri Oct 4 2024/

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

* WHAT...Dangerously hot conditions. Afternoon temperatures 105 to
  111. Major Heat Risk. Overexposure can cause heat cramps and heat
  exhaustion to develop and, without intervention, can lead to heat
  stroke.

* WHERE...Portions of south central and southwest Arizona and
  southeast California.

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

* 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 Los Angeles/Oxnard CA
1242 PM PDT Fri Oct 4 2024

CAZ038-088-342>345-351>353-356>358-369>376-378>380-548-051300-
/O.CON.KLOX.EH.W.0009.241005T1700Z-241008T0300Z/
Cuyama Valley-Santa Clarita Valley-Santa Lucia Mountains-Southern
Salinas Valley-San Luis Obispo County Interior Valleys-San Luis
Obispo County Mountains-Santa Ynez Mountains Western Range-Santa
Ynez Mountains Eastern Range-Santa Barbara County Interior
Mountains-Lake Casitas-Ojai Valley-Central Ventura County Valleys-
Western Santa Monica Mountains Recreational Area-Eastern Santa
Monica Mountains Recreational Area-Calabasas and Agoura Hills-
Western San Fernando Valley-Eastern San Fernando Valley-
Southeastern Ventura County Valleys-Santa Susana Mountains-
Southern Ventura County Mountains-Interstate 5 Corridor-Western
San Gabriel Mountains and Highway 14 Corridor-Eastern San Gabriel
Mountains-Los Angeles County San Gabriel Valley-
Including the cities of Van Nuys, Pasadena, Lake Castaic,
Valencia, Northridge, Moorpark, Pomona, Fillmore, San Miguel,
Sunland, Gorman, Figueroa Mountain, Westlake Village, Irish
Hills, Montecito Hills, Woodland Hills, Chatsworth, Warm Springs,
The Angeles Crest Highway, San Rafael Mountain, Santa Margarita
Lake, San Marcos Pass, Burbank, Matilija, Mount Wilson, San
Gabriel, Rose Valley, Pyramid Lake, Mount Baldy, Meiners Oaks,
Universal City, Topatopa Mountains, Carrizo Plain, Lake
Nacimiento, Oat Mountain, Glendale, Acton, Big Pine Mountain,
Wrightwood, Tejon Pass, Malibu Bowl, Malibu Lake, El Monte,
Creston, Piru, La Panza Range, Oak View, Simi Valley, Atascadero,
Ojai, Mill Creek, East Los Angeles, New Cuyama, Templeton, Santa
Clarita, Hearst Castle, La Canada Flintridge, Paso Robles,
Thousand Oaks, Caliente Range, Newhall, Topanga, Shandon, Santa
Paula, and Newbury Park
1242 PM PDT Fri Oct 4 2024

...EXCESSIVE HEAT WARNING REMAINS IN EFFECT FROM 10 AM SATURDAY TO 8
PM PDT MONDAY...

* WHAT...Dangerously hot conditions with high temperatures of 98 to
  108 degrees common. Warm overnight lows in the lower mountains and
  foothills of 75 to 85 common.

* WHERE...Most mountains and valleys of southwest California.

* WHEN...From 10 AM Saturday to 8 PM PDT Monday.

* IMPACTS...There is a high risk for dangerous heat illness for
  anyone, especially for the very young, the very old, those without
  air conditioning, and those active outdoors.

* ADDITIONAL DETAILS...It will be very dangerous to perform
  strenuous activities during the late morning through early evening
  hours, including the weekend. Use extreme caution when hiking or
  biking anywhere in the warned area, including the popular Santa
  Monica Mountains.

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. Avoid hiking and
strenuous outdoor activities during the late morning through early
evening hours.

&&

$$

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