Extreme Heat Warning
URGENT - WEATHER MESSAGE
National Weather Service Hanford CA
441 PM PDT Mon Aug 11 2025
CAZ337>339-120600-
/O.EXT.KHNX.XH.W.0001.000000T0000Z-250813T1500Z/
Indian Wells Valley-Mojave Desert Slopes-Mojave Desert-
Including the cities of Edwards AFB, Mojave, California City,
Ridgecrest, Randsburg, Rosamond, and Inyokern
441 PM PDT Mon Aug 11 2025
...EXTREME HEAT WARNING NOW IN EFFECT UNTIL 8 AM PDT WEDNESDAY...
* WHAT...Dangerously hot conditions with high temperatures up to 111
expected. Overnight lows as warm as the lower 80s.
* WHERE...Indian Wells Valley, Mojave Desert, and Mojave Desert
Slopes.
* WHEN...Until 8 AM PDT Wednesday.
* 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.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service Los Angeles/Oxnard CA
203 PM PDT Mon Aug 11 2025
CAZ381>383-130400-
/O.CON.KLOX.XH.W.0001.000000T0000Z-250813T0400Z/
Western Antelope Valley Foothills-Eastern Antelope Valley
Foothills-Antelope Valley-
Including the cities of Llano, Pearblossom, Elizabeth Lake,
Lancaster, Palmdale, Lake Los Angeles, Valyermo, and Lake
Palmdale
203 PM PDT Mon Aug 11 2025
...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 9 PM PDT TUESDAY...
* WHAT...Dangerously hot conditions with temperatures up to 108
expected. Also, overnight temperatures will remain in the 80s in
the foothills above 3000 feet elevation.
* WHERE...Antelope Valley, Eastern Antelope Valley Foothills, and
Western Antelope Valley Foothills.
* WHEN...Until 9 PM PDT Tuesday.
* IMPACTS...There is a high risk for dangerous heat illness for
anyone, especially for the very young, the very old, those without
air conditioning, and those active outdoors.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.
Take extra precautions when outside. Wear lightweight and loose
fitting clothing. Try to limit strenuous activities to early morning
or evening. Take action when you see symptoms of heat exhaustion and
heat stroke.
Anyone overcome by heat should be moved to a cool and shaded
location. Heat stroke is an emergency! Call 9 1 1.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service San Diego CA
123 PM PDT Mon Aug 11 2025
CAZ065-120600-
/O.CON.KSGX.XH.W.0002.000000T0000Z-250813T0300Z/
San Gorgonio Pass near Banning-
123 PM PDT Mon Aug 11 2025
...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM PDT TUESDAY...
* WHAT...Dangerously hot conditions with temperatures up to 110.
* WHERE...San Gorgonio Pass near Banning.
* WHEN...Until 8 PM PDT Tuesday.
* 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.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service Phoenix AZ
1229 PM MST Mon Aug 11 2025
AZZ530-532-CAZ562-563-566-567-569-570-121000-
/O.CON.KPSR.XH.W.0006.000000T0000Z-250813T0300Z/
Parker Valley-Yuma-Imperial County Southwest-Salton Sea-Imperial
County West-Imperial Valley-Palo Verde Valley-Chuckwalla Valley-
Including the cities of Calexico, Mountain Spring, Desert Shores,
Parker, Coyote Wells, Palo Verde, Ocotillo, Salton City, Yuma,
Winona, Plaster City, Ripley, Fortuna Foothills, Blythe, El
Centro, Midland, Ehrenberg, Brawley, Coolidge Springs, Alamorio,
and Martinez Lake
1229 PM MST Mon Aug 11 2025 /1229 PM PDT Mon Aug 11 2025/
...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM MST /8 PM PDT/
TUESDAY...
* WHAT...Dangerously hot conditions. Afternoon temperatures 111 to
116. Major Heat Risk.
* WHERE...Southwest corner of Imperial County, Western Imperial
County, Parker Valley, Yuma, Salton Sea, Imperial Valley, Palo
Verde Valley, and Chuckwalla Valley.
* WHEN...Until 8 PM MST /8 PM PDT/ Tuesday.
* IMPACTS...Heat related illnesses increase significantly during
extreme heat events. Overexposure can cause heat cramps and heat
exhaustion to develop and, without intervention, can lead to heat
stroke.
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
1229 PM MST Mon Aug 11 2025
AZZ534-538-539-541-549-553>555-559-121000-
/O.CON.KPSR.XH.W.0005.000000T0000Z-250813T0300Z/
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 Casa Grande, Aguila, Gladden, Tonopah,
Wickenburg, Arlington, Sentinel, Wintersburg, Florence,
Hassayampa, Scottsdale, Cactus Forest, Gila Bend, Fountain Hills,
Coolidge, Apache Junction, and Kaka
1229 PM MST Mon Aug 11 2025
...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM MST TUESDAY...
* WHAT...Dangerously hot conditions. Afternoon temperatures 106 to
113. Major Heat Risk.
* WHERE...Sonoran Desert National Monument, Aguila Valley, Tonopah
Desert, Gila Bend, Cave Creek/New River, Fountain Hills/East Mesa,
Northwest Pinal County, West Pinal County, and Apache
Junction/Gold Canyon.
* WHEN...Until 8 PM MST Tuesday.
* IMPACTS...Heat related illnesses increase significantly during
extreme heat events. Overexposure can cause heat cramps and heat
exhaustion to develop and, without intervention, can lead to heat
stroke.
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 Las Vegas NV
1003 AM PDT Mon Aug 11 2025
AZZ002-003-CAZ522-523-525>527-NVZ017-121200-
/O.CON.KVEF.XH.W.0008.000000T0000Z-250813T0300Z/
Lake Havasu and Fort Mohave-Northwest Deserts-Death Valley
National Park-Western Mojave Desert-Morongo Basin-Cadiz Basin-San
Bernardino County-Upper Colorado River Valley-Western Clark and
Southern Nye County-
Including the cities of Yucca Valley, Vidal Junction, Shoshone,
Desert Rock, Topock, Twentynine Palms, Desert Hills, Wikieup,
Stovepipe Wells, Pahrump, Fort Irwin, Kingman, Barstow, Indian
Springs, Yucca, Dolan Springs, Golden Valley, Furnace Creek,
Valentine, Morongo Valley, Amargosa Valley, Lake Havasu City,
Daggett, and Needles
1003 AM PDT Mon Aug 11 2025 /1003 AM MST Mon Aug 11 2025/
...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM PDT /8 PM MST/
TUESDAY...
* WHAT...Dangerously hot conditions with high temperatures between
103 and 106 in Kingman, Golden Valley, and Dolan Springs; between
108 and 112 in Barstow-Daggett, Twentynine Palms, and Yucca
Valley; between 112 and 116 in Lake Havasu City, Needles, and Fort
Mohave; between 118 and 122 at Furnace Creek in Death Valley
National Park. Major Heat Risk expected with heat-related impacts
possible to much of the population is precautions are not taken.
* WHERE...In Arizona, Lake Havasu and Fort Mohave and Northwest
Deserts. In California, Cadiz Basin, Death Valley National Park,
Morongo Basin, San Bernardino County-Upper Colorado River Valley,
and Western Mojave Desert. In Nevada, Western Clark and Southern
Nye County.
* WHEN...Until 8 PM PDT /8 PM MST/ Tuesday.
* 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.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service Las Vegas NV
1003 AM PDT Mon Aug 11 2025
AZZ036-CAZ524-NVZ016-020>022-121200-
/O.CON.KVEF.XH.W.0008.250812T1700Z-250813T0300Z/
Lake Mead National Recreation Area-Eastern Mojave Desert-
Northeast Clark County-Las Vegas Valley-Lake Mead National
Recreation Area-Southern Clark County-
Including the cities of Baker, Hoover Dam, Mitchell Caverns, Las
Vegas, Cal-Nev-Ari, Mesquite, Boulder City, Laughlin,
Searchlight, Primm, Henderson, Mohave Valley, Overton, Moapa,
North Las Vegas, Mountain Pass, Bullhead City, and Oatman
1003 AM PDT Mon Aug 11 2025 /1003 AM MST Mon Aug 11 2025/
...EXTREME HEAT WARNING REMAINS IN EFFECT FROM 10 AM PDT /10 AM MST/
TO 8 PM PDT /8 PM MST/ TUESDAY...
* WHAT...Dangerously hot conditions with high temperatures between
108 and 114 in Las Vegas, Lake Mead National Recreation Area,
Mesquite, Pahrump, and Baker.Major Heat Risk expected with
heat-related impacts possible to much of the population is
precautions are not taken.
* WHERE...Lake Mead National Recreation Area, Eastern Mojave Desert,
Northeast Clark County, Las Vegas Valley, and Southern Clark
County.
* WHEN...From 10 AM PDT /10 AM MST/ to 8 PM PDT /8 PM MST/ Tuesday.
* 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.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service Flagstaff AZ
1200 AM MST Mon Aug 11 2025
AZZ006-121200-
/O.CON.KFGZ.XH.W.0004.000000T0000Z-250815T0300Z/
Grand Canyon Country-
Including the cities of North Rim, Grand Canyon Village, and
Supai
1200 AM MST Mon Aug 11 2025
...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM MST THURSDAY
BELOW 4000 FEET...
* WHAT...Dangerously hot conditions below 4000 feet, with daytime
temperatures ranging from 102 degrees at Havasupai Gardens, to 114
degrees at Phantom Ranch.
* WHERE...Lower elevations of the Grand Canyon.
* WHEN...Until 8 PM MST Thursday.
* IMPACTS...Most individuals will be at risk for heat-related
illnesses without effective cooling or adequate hydration,
especially with prolonged outdoor exposure.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
This warning is reserved for only the hottest days of the year and
is issued when temperatures are expected to rise to dangerous levels.
Day hikers on Bright Angel Trail should descend no farther than 1
1/2 miles from the upper trailhead. Between the hours of 10 AM and 4
PM, hikers should be out of the canyon or at Havasupai Gardens or
Bright Angel campgrounds, physical activity is discouraged. All
hikers should have adequate gear, including a wide-brimmed hat,
sunscreen, salty snacks, sufficient water, and electrolyte mix.
Doubling your calorie intake helps maintain your energy.
Hike smart.
Take action when you see symptoms of heat exhaustion and heat
stroke. Anyone overcome by heat should be moved to a cool and shaded
location. Heat stroke is an emergency! Call 9 1 1.
Stay cool, stay hydrated, stay informed.
&&
$$
Humphreys
Heat Advisory
URGENT - WEATHER MESSAGE
National Weather Service Hanford CA
441 PM PDT Mon Aug 11 2025
CAZ300>317-319-321-120600-
/O.CON.KHNX.HT.Y.0003.000000T0000Z-250812T0600Z/
West Side Mountains north of 198-Los Banos - Dos Palos-Merced -
Madera - Mendota-Planada - Le Grand - Snelling-Coalinga - Avenal-
West Side of Fresno and Kings Counties-Caruthers - San Joaquin -
Selma-Fresno-Clovis-West Side Mountains South of 198-Buttonwillow
- Lost Hills - I5-Delano-Wasco-Shafter-Hanford - Corcoran -
Lemoore-Visalia - Porterville - Reedley-Buena Vista-Bakersfield-
Southeast San Joaquin Valley-South End San Joaquin Valley-
Mariposa Madera Foothills-Fresno-Tulare Foothills-South End
Sierra Foothills-
Including the cities of Lemoore, Goshen, Kettleman City, Hanford,
Sanger, Avenal, San Luis Reservoir, Atwater, Merced, Madera,
Buttonwillow, Los Banos, Visalia, Kingsburg, Delano, Alpaugh,
Selma, Corcoran, Tulare, Richgrove, Shafter, Five Points,
Planada, Bakersfield, Le Grand, Fresno, Lake Mcclure, McKittrick,
Taft, Kerman, El Portal, Mariposa, Lamont, Coalinga, Lost Hills,
Millerton Lake, Lemoore Station, Parlier, Blackwells Corner,
Wasco, Porterville, and Arvin
441 PM PDT Mon Aug 11 2025
...HEAT ADVISORY REMAINS IN EFFECT UNTIL 11 PM PDT THIS EVENING...
* WHAT...High temperatures up to 105 expected.
* WHERE...A portion of central California.
* WHEN...Until 11 PM PDT this evening.
* 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.
&&
$$
BSO
URGENT - WEATHER MESSAGE
National Weather Service Los Angeles/Oxnard CA
203 PM PDT Mon Aug 11 2025
CAZ038-352-353-376>380-130400-
/O.CON.KLOX.HT.Y.0005.000000T0000Z-250813T0400Z/
Cuyama Valley-Santa Ynez Mountains Eastern Range-Santa Barbara
County Interior Mountains-Southern Ventura County Mountains-
Northern Ventura County Mountains-Interstate 5 Corridor-Western
San Gabriel Mountains and Highway 14 Corridor-Eastern San Gabriel
Mountains-
Including the cities of Matilija, Lockwood Valley, Topatopa
Mountains, Pyramid Lake, Tejon Pass, The Angeles Crest Highway,
Rose Valley, Mount Pinos, Montecito Hills, Ozena, Big Pine
Mountain, Figueroa Mountain, Warm Springs, Wrightwood, Mill
Creek, Mount Wilson, Acton, San Rafael Mountain, New Cuyama,
Gorman, and Mount Baldy
203 PM PDT Mon Aug 11 2025
...HEAT ADVISORY REMAINS IN EFFECT UNTIL 9 PM PDT TUESDAY...
* WHAT...Daytime high temperatures in the 80s and 90s at high
elevation to the mid 90s to near 105 degrees in the foothills and
high valleys. Overnight low temperatures will be in the 70s to low
80s.
* WHERE...Cuyama Valley, Eastern San Gabriel Mountains, Interstate 5
Corridor, Northern Ventura County Mountains, Santa Barbara County
Interior Mountains, Santa Ynez Mountains Eastern Range, Southern
Ventura County Mountains, and Western San Gabriel Mountains and
Highway 14 Corridor.
* WHEN...Until 9 PM PDT Tuesday.
* IMPACTS...There is a high risk for heat illness for sensitive
populations including the very young, the very old, those without
air conditioning, and those active outdoors.
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.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service San Diego CA
123 PM PDT Mon Aug 11 2025
CAZ048-120300-
/O.CON.KSGX.HT.Y.0004.000000T0000Z-250812T0300Z/
San Bernardino and Riverside County Valleys-The Inland Empire-
Including the cities of Moreno Valley, Riverside, Ontario,
Fontana, Rancho Cucamonga, San Bernardino, and Corona
123 PM PDT Mon Aug 11 2025
...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT THIS EVENING...
* WHAT...Temperatures up to 100.
* WHERE...San Bernardino and Riverside County Valleys-The Inland
Empire.
* WHEN...Until 8 PM PDT this evening.
* 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.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service San Diego CA
123 PM PDT Mon Aug 11 2025
CAZ055-120300-
/O.CON.KSGX.HT.Y.0004.000000T0000Z-250812T0300Z/
San Bernardino County Mountains-
Including the cities of Wrightwood, Big Bear Lake, Crestline,
Lake Arrowhead, and Running Springs
123 PM PDT Mon Aug 11 2025
...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT THIS EVENING...
* WHAT...Temperatures up to 95.
* WHERE...San Bernardino County Mountains.
* WHEN...Until 8 PM PDT this evening.
* IMPACTS...Hot temperatures may cause heat illnesses.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service Reno NV
1159 AM PDT Mon Aug 11 2025
CAZ070-071-NVZ001-003>005-130000-
/O.CON.KREV.HT.Y.0003.000000T0000Z-250813T1600Z/
Surprise Valley California-Lassen-Eastern Plumas-Eastern Sierra
Counties-Mineral and Southern Lyon Counties-Greater Reno-Carson
City-Minden Area-Western Nevada Basin and Range including Pyramid
Lake-Northern Washoe County-
Including the cities of Sierraville, Mina, Eagleville, Imlay,
Cedarville, Hawthorne, Westwood, Gardnerville, Loyalton, Virginia
City, Schurz, Empire, Portola, Sparks, Fort Bidwell, Verdi,
Fernley, Fallon, Silver Springs, Yerington, Gerlach, Susanville,
Lovelock, Smith Valley, and Nixon
1159 AM PDT Mon Aug 11 2025
...HEAT ADVISORY REMAINS IN EFFECT UNTIL 9 AM PDT WEDNESDAY...
* WHAT...High temperatures ranging from 97-104 degrees in valleys
and basins, with warmest lows between 65-70 degrees. Widespread
Moderate to locally Major HeatRisk.
* WHERE...In California, Lassen-Eastern Plumas-Eastern Sierra
Counties and Surprise Valley California. In Nevada, Northern
Washoe County, Western Nevada Basin and Range including Pyramid
Lake, Greater Reno-Carson City-Minden Area, and Mineral and
Southern Lyon Counties.
* WHEN...Until 9 AM PDT Wednesday.
* IMPACTS...Heat-related illnesses will be more likely, especially
for those spending extended periods outdoors, in poorly cooled
indoor spaces, or who are sensitive to heat.
* ADDITIONAL DETAILS...Hottest conditions are expected Tuesday
afternoon in lower valleys and basins. Cooler conditions above
4500 ft in Lassen-Eastern Plumas-Eastern Sierra counties and along
foothill slopes outside the lower valleys.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Drink plenty of fluids, stay in an air-conditioned location, avoid
prolonged sun exposure, and check on relatives, neighbors, and pets.
Limit strenuous activities to early morning or evening hours.
&&
$$
CJ
URGENT - WEATHER MESSAGE
National Weather Service Las Vegas NV
1003 AM PDT Mon Aug 11 2025
AZZ001-CAZ520-NVZ014-015-018-019-121200-
/O.CON.KVEF.HT.Y.0002.250812T1700Z-250813T0300Z/
Northwest Plateau-Owens Valley-Esmeralda and Central Nye County-
Lincoln County-Sheep Range-Spring Mountains-Red Rock Canyon-
Including the cities of Rachel, Silver Peak, Pipe Spring National
Monument, Alamo, Tuweep, Mt Trumbull, Dyer, Caliente, Red Rock
Canyon, Bishop, Beatty, Mt Charleston, Panaca, Colorado City,
Western Grand Canyon, Lone Pine, Hayford Pk, Hiko, Pioche,
Independence, Olancha, and Goldfield
1003 AM PDT Mon Aug 11 2025 /1003 AM MST Mon Aug 11 2025/
...HEAT ADVISORY REMAINS IN EFFECT FROM 10 AM PDT /10 AM MST/ TO 8
PM PDT /8 PM MST/ TUESDAY...
* WHAT...Hot conditions with high temperatures between between 82
and 88 in Mt. Charleston, Kyle Canyon, and Lee Canyon; between 96
and 102 in Caliente, Goldfield, Dyer, and Colorado City; between
102 and 106 in Bishop, Independence, Olancha, Hiko, and Red Rock
Canyon. Moderate-to-Major Heat Risk.
* WHERE...In Arizona, Northwest Plateau. In California, Owens
Valley. In Nevada, Esmeralda and Central Nye County, Lincoln
County, Sheep Range, and Spring Mountains-Red Rock Canyon.
* WHEN...From 10 AM PDT /10 AM MST/ to 8 PM PDT /8 PM MST/ Tuesday.
* IMPACTS...Hot temperatures may cause heat-related 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
AN
URGENT - WEATHER MESSAGE
National Weather Service Elko NV
1127 PM PDT Sun Aug 10 2025
NVZ030-031-033-036-038>041-120000-
/O.NEW.KLKN.HT.Y.0006.250812T1800Z-250813T0300Z/
Humboldt-Northern Elko-Southeastern Elko-Northern Lander and
Northern Eureka-Southwest Elko-South Central Elko-Northwestern
Nye-Northeastern Nye-
Including the cities of Argenta, Palisade, Charleston, Jarbidge,
Gibbs Ranch, Beowawe, Dunphy, Spring Creek, Blue Eagle Ranch,
Ruby Lake, Ryndon, Manhattan, Lee, Tuscarora, Dufferena, Owyhee,
Duckwater, Oasis, Round Mountain, Mountain City, Tonopah, Valmy,
Battle Mountain, West Wendover, Lamoille, Winnemucca, Crescent
Valley, South Fork, Midas, Emigrant Pass, Elko, Golconda, and
Jiggs
1127 PM PDT Sun Aug 10 2025
...HEAT ADVISORY IN EFFECT FROM 11 AM TO 8 PM PDT TUESDAY...
* WHAT...Temperatures in local valleys will range from 98 to 102.
* WHERE...Northern Lander and Northern Eureka, Northern Elko, South
Central Elko, Southeastern Elko, Southwest Elko, Humboldt,
Northeastern Nye, and Northwestern Nye Counties.
* WHEN...From 11 AM to 8 PM PDT Tuesday.
* IMPACTS...Hot temperatures and high humidity 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.
&&
$$
JB
Beach Hazards Statement
Coastal Hazard Message
National Weather Service Los Angeles/Oxnard CA
122 PM PDT Mon Aug 11 2025
CAZ354-362-366-120400-
/O.CON.KLOX.BH.S.0012.000000T0000Z-250814T0400Z/
Ventura County Beaches-Malibu Coast-Los Angeles County Beaches-
122 PM PDT Mon Aug 11 2025
...BEACH HAZARDS STATEMENT REMAINS IN EFFECT THROUGH WEDNESDAY
EVENING...
* WHAT...Dangerous rip currents and breaking waves due to
elevated surf of 3 to 6 feet.
* WHERE...Ventura County Beaches, Malibu Coast and Los Angeles
County Beaches.
* WHEN...Through Wednesday evening.
* IMPACTS...There is an increased risk of ocean drowning. Rip
currents can pull swimmers and surfers out to sea. Waves can
wash people off beaches and rocks, and capsize small boats
nearshore.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Remain out of the water due to hazardous swimming conditions, or
stay near occupied lifeguard towers. Rock jetties can be deadly
in such conditions, stay off the rocks.
&&
$$
