Non-Precipitation Warnings / Watches / Advisories
Issued by NWS Las Vegas, NV

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WWUS75 KVEF 181841
NPWVEF

URGENT - WEATHER MESSAGE
National Weather Service Las Vegas NV
1141 AM PDT Mon Aug 18 2025

AZZ001>003-036-CAZ522>527-NVZ015>017-020>022-191200-
/O.UPG.KVEF.XH.A.0005.250820T1500Z-250824T0600Z/
/O.NEW.KVEF.XH.W.0009.250820T1500Z-250824T0600Z/
Northwest Plateau-Lake Havasu and Fort Mohave-Northwest Deserts-
Lake Mead National Recreation Area-Death Valley National Park-
Western Mojave Desert-Eastern Mojave Desert-Morongo Basin-Cadiz
Basin-San Bernardino County-Upper Colorado River Valley-Lincoln
County-Northeast Clark County-Western Clark and Southern Nye
County-Las Vegas Valley-Lake Mead National Recreation Area-
Southern Clark County-
Including the cities of Stovepipe Wells, Pioche, Pipe Spring
National Monument, Las Vegas, Western Grand Canyon, Desert Rock,
Rachel, Henderson, Colorado City, Mt Trumbull, Topock, Hoover
Dam, Oatman, Baker, Furnace Creek, Mountain Pass, Yucca, Alamo,
Needles, Yucca Valley, Twentynine Palms, Laughlin, Morongo
Valley, Boulder City, Moapa, Vidal Junction, Kingman, Bullhead
City, Dolan Springs, North Las Vegas, Overton, Cal-Nev-Ari,
Valentine, Hiko, Pahrump, Mohave Valley, Shoshone, Mesquite,
Primm, Wikieup, Searchlight, Desert Hills, Daggett, Panaca,
Barstow, Lake Havasu City, Golden Valley, Fort Irwin, Mitchell
Caverns, Caliente, Tuweep, Amargosa Valley, and Indian Springs
1141 AM PDT Mon Aug 18 2025 /1141 AM MST Mon Aug 18 2025/

...EXTREME HEAT WARNING IN EFFECT FROM 8 AM PDT / MST WEDNESDAY TO
11 PM PDT / MST SATURDAY...

* WHAT...Dangerously hot conditions with temperatures around 105 in
  Kingman, Golden Valley, Dolan Springs; around 110 in Las Vegas,
  Pahrump, Barstow, Yucca Valley, Twentynine Palms; around 115 in
  Laughlin, Bullhead City, Needles, Lake Havasu City; around 120 at
  Furnace Creek in Death Valley National Park. Expect minimal
  overnight relief. Major-to-Extreme Heat Risk.

* WHERE...Portions of northwest Arizona, southeast California, and
  south central and southern Nevada.

* WHEN...From 8 AM PDT / MST Wednesday to 11 PM PDT / MST Saturday.

* 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.

&&

$$

CAZ520-191200-
/O.NEW.KVEF.XH.W.0009.250820T1500Z-250824T0600Z/
Owens Valley-
Including the cities of Olancha, Lone Pine, Independence, and
Bishop
1141 AM PDT Mon Aug 18 2025

...EXTREME HEAT WARNING IN EFFECT FROM 8 AM WEDNESDAY TO 11 PM PDT
SATURDAY...

* WHAT...Dangerously hot conditions with temperatures between 100
  and 105 along the Owens Valley. Moderate-to-Major Heat Risk.

* WHERE...Owens Valley.

* WHEN...From 8 AM Wednesday to 11 PM PDT Saturday.

* 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.

&&

$$

NVZ018-019-191200-
/O.UPG.KVEF.XH.A.0005.250820T1500Z-250824T0600Z/
/O.NEW.KVEF.HT.Y.0003.250820T1500Z-250824T0600Z/
Sheep Range-Spring Mountains-Red Rock Canyon-
Including the cities of Hayford Pk, Mt Charleston, and Red Rock
Canyon
1141 AM PDT Mon Aug 18 2025

...HEAT ADVISORY IN EFFECT FROM 8 AM WEDNESDAY TO 11 PM PDT
SATURDAY...

* WHAT...Above-normal temperatures with afternoon highs in the
  low-to-mid 80s for Mount Charleston, Lee Canyon, and Kyle Canyon.
  Minimal overnight relief. Moderate Heat Risk.

* WHERE...Sheep Range and Spring Mountains-Red Rock Canyon.

* WHEN...From 8 AM Wednesday to 11 PM PDT Saturday.

* IMPACTS...Hot temperatures may cause heat illnesses.

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.

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.

&&

$$

NVZ014-191200-
/O.NEW.KVEF.HT.Y.0003.250820T1500Z-250824T0600Z/
Esmeralda and Central Nye County-
Including the cities of Silver Peak, Beatty, Goldfield, and Dyer
1141 AM PDT Mon Aug 18 2025

...HEAT ADVISORY IN EFFECT FROM 8 AM WEDNESDAY TO 11 PM PDT
SATURDAY...

* WHAT...Above-normal temperatures with afternoon highs between 95
  and 100 for Goldfield; Tonopah; between 100 and 105 for Beatty.
  Minimal overnight relief. Moderate-to-High Heat Risk.

* WHERE...Esmeralda and Central Nye County.

* WHEN...From 8 AM Wednesday to 11 PM PDT Saturday.

* IMPACTS...Hot temperatures may cause heat illnesses.

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.

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