Extreme Heat Warning
URGENT - WEATHER MESSAGE
National Weather Service Las Vegas NV
1214 PM PDT Sun Jul 13 2025
AZZ036-CAZ522-NVZ016-017-020>022-141800-
/O.CON.KVEF.XH.W.0006.250714T1800Z-250715T0400Z/
Lake Mead National Recreation Area-Death Valley National Park-
Northeast Clark County-Western Clark and Southern Nye County-Las
Vegas Valley-Lake Mead National Recreation Area-Southern Clark
County-
Including the cities of Henderson, Cal-Nev-Ari, Furnace Creek,
Searchlight, Bullhead City, Desert Rock, Mohave Valley, Boulder
City, North Las Vegas, Stovepipe Wells, Moapa, Overton, Indian
Springs, Las Vegas, Primm, Pahrump, Amargosa Valley, Oatman,
Mesquite, Laughlin, Shoshone, and Hoover Dam
1214 PM PDT Sun Jul 13 2025 /1214 PM MST Sun Jul 13 2025/
...EXTREME HEAT WARNING REMAINS IN EFFECT FROM 11 AM PDT /11 AM MST/
TO 9 PM PDT /9 PM MST/ MONDAY...
* WHAT...In Las Vegas and Moapa, highs between 110 and 115. In Death
Valley, highs between 120 and 125. In Amargosa Valley, Pahrump,
and Indian Springs, highs between 105 and 115. In the Colorado
River Valley, highs between 110 and 120.
* WHERE...Lake Mead National Recreation Area, Death Valley National
Park, Northeast Clark County, Western Clark and Southern Nye
County, Las Vegas Valley, and Southern Clark County.
* WHEN...From 11 AM PDT /11 AM MST/ to 9 PM PDT /9 PM MST/ 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.
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.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service Salt Lake City UT
300 AM MDT Sun Jul 13 2025
UTZ123-140000-
/O.CON.KSLC.XH.W.0001.250714T1800Z-250715T0400Z/
Lower Washington County-
Including the following locations - Ivins, Hurricane, and St
George
300 AM MDT Sun Jul 13 2025
...EXTREME HEAT WARNING REMAINS IN EFFECT FROM NOON TO 10 PM MDT
MONDAY...
* WHAT...Dangerously hot conditions with limited overnight recovery.
Afternoon high temperatures around 110, with overnight lows
struggling to dip below 80.
* WHERE...Lower Washington County.
* WHEN...From noon to 10 PM MDT Monday.
* IMPACTS...Heat related illnesses increase significantly during
extreme heat events.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.
Do not leave young children and pets in unattended vehicles. Car
interiors will reach lethal temperatures in a matter of minutes.
Take extra precautions when outside. Wear lightweight and loose
fitting clothing. Try to limit strenuous activities to early morning
or evening. Take action when you see symptoms of heat exhaustion and
heat stroke.
To reduce risk during outdoor work, the Occupational Safety and
Health Administration recommends scheduling frequent rest breaks in
shaded or air conditioned environments. Anyone overcome by heat
should be moved to a cool and shaded location. Heat stroke is an
emergency! Call 9 1 1.
&&
$$
For more information from the National Weather Service visit
https://weather.gov/saltlakecity.
For information on potential travel impacts visit
http://udottraffic.utah.gov
LC
URGENT - WEATHER MESSAGE
National Weather Service Salt Lake City UT
300 AM MDT Sun Jul 13 2025
UTZ124-140000-
/O.EXA.KSLC.XH.W.0001.250714T1800Z-250715T0400Z/
Zion National Park-
Including the following locations - Springdale
300 AM MDT Sun Jul 13 2025
...EXTREME HEAT WARNING IN EFFECT FROM NOON TO 10 PM MDT MONDAY...
* WHAT...Dangerously hot conditions with limited overnight recovery.
Afternoon high temperatures around 110 in the lower elevations,
with overnight lows in the upper 70s.
* WHERE...Zion National Park.
* WHEN...From noon to 10 PM MDT 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.
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.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service Flagstaff AZ
1214 AM MST Sun Jul 13 2025
AZZ006-170200-
/O.CON.KFGZ.XH.W.0003.000000T0000Z-250717T0200Z/
Grand Canyon Country-
Including the cities of Supai, Grand Canyon Village, and North
Rim
1214 AM MST Sun Jul 13 2025
...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 7 PM MST WEDNESDAY
BELOW 4000 FEET...
* WHAT...Dangerously hot conditions below 4000 feet, with daytime
temperatures ranging from 105 degrees at Havasupai Gardens, to 114
degrees at Phantom Ranch.
* WHERE...Lower elevations of the Grand Canyon.
* WHEN...Until 7 PM MST Wednesday.
* IMPACTS...Most individuals will be at risk for heat-related
illnesses without effective cooling or adequate hydration,
especially with prolonged outdoor exposure.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
This warning is reserved for only the hottest days of the year and
is issued when temperatures are expected to rise to dangerous levels.
Day hikers on Bright Angel Trail should descend no farther than 1
1/2 miles from the upper trailhead. Between the hours of 10 AM and 4
PM, hikers should be out of the canyon or at Havasupai Gardens or
Bright Angel campgrounds, physical activity is discouraged. All
hikers should have adequate gear, including a wide-brimmed hat,
sunscreen, salty snacks, sufficient water, and electrolyte mix.
Doubling your calorie intake helps maintain your energy.
Hike smart.
&&
$$
Humphreys
Heat Advisory
URGENT - WEATHER MESSAGE
National Weather Service Las Vegas NV
1214 PM PDT Sun Jul 13 2025
NVZ014-015-141800-
/O.CON.KVEF.HT.Y.0001.250714T1800Z-250715T0400Z/
Esmeralda and Central Nye County-Lincoln County-
Including the cities of Pioche, Hiko, Dyer, Alamo, Beatty,
Caliente, Rachel, Goldfield, Silver Peak, and Panaca
1214 PM PDT Sun Jul 13 2025
...HEAT ADVISORY REMAINS IN EFFECT FROM 11 AM TO 9 PM PDT MONDAY...
* WHAT...Afternoon high temperatures between 100 and 110 in the
valleys.
* WHERE...Esmeralda and Central Nye County and Lincoln County.
* WHEN...From 11 AM to 9 PM PDT Monday.
* 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
MS
URGENT - WEATHER MESSAGE
National Weather Service Hanford CA
636 AM PDT Sun Jul 13 2025
CAZ300>322-324-325-332-132200-
/O.CON.KHNX.HT.Y.0002.000000T0000Z-250716T0600Z/
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-Mariposa-Madera Lower Sierra-Fresno-
Tulare Foothills-Fresno-Tulare Lower Sierra-South End Sierra
Foothills-South End of the Lower Sierra-Yosemite Valley-San
Joaquin River Canyon-Kern River Valley-
Including the cities of Corcoran, North Fork, Lake Mcclure, Lost
Hills, Coalinga, Lemoore Station, Wasco, Mariposa, Kerman,
Auberry, Yosemite Valley, Shafter, Fresno, Camp Nelson, Alpaugh,
Coarsegold, Merced, El Portal, Selma, Lamont, McKittrick,
Richgrove, Goshen, Five Points, Visalia, Bass Lake, Tulare,
Millerton Lake, Parlier, Planada, Sanger, Kingsburg, Porterville,
San Luis Reservoir, Bakersfield, Blackwells Corner, Madera,
Hanford, Lemoore, Avenal, Fish Camp, Los Banos, Oakhurst, Arvin,
Kettleman City, Atwater, Kernville, Lake Isabella, Buttonwillow,
Taft, Delano, and Le Grand
636 AM PDT Sun Jul 13 2025
...HEAT ADVISORY REMAINS IN EFFECT UNTIL 11 PM PDT TUESDAY...
* WHAT...High temperatures up to 105 degrees expected.
* WHERE...San Joaquin Valley, Coastal Ranges, Sierra Nevada
foothills, Kern River Valley, and Yosemite Valley.
* WHEN...Until 11 PM PDT Tuesday.
* 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.
&&
$$
CMolina
URGENT - WEATHER MESSAGE
National Weather Service Elko NV
216 AM PDT Sun Jul 13 2025
NVZ030-033-036>038-040-041-141215-
/O.CON.KLKN.HT.Y.0005.250713T1800Z-250716T0400Z/
Humboldt-Southeastern Elko-Northern Lander and Northern Eureka-
Southern Lander and Southern Eureka-Southwest Elko-Northwestern
Nye-Northeastern Nye-
Including the cities of Eureka, Round Mountain, Palisade,
Hickison Summit, Lee, Golconda, Garden Pass, Eureka Airport,
South Fork, Ryndon, Battle Mountain, Grass Valley, West Wendover,
Winnemucca, Tonopah, Dufferena, Jiggs, Lamoille, Manhattan,
Spring Creek, Pinto Summit, Blue Eagle Ranch, Beowawe, Dunphy,
Elko, Diamond Valley, Duckwater, Valmy, Argenta, Emigrant Pass,
and Crescent Valley
216 AM PDT Sun Jul 13 2025
...HEAT ADVISORY REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 9 PM
PDT TUESDAY...
* WHAT...High temperatures of 95 to 104 degrees in the valleys.
* WHERE...Northern Lander and Northern Eureka, Southern Lander and
Southern Eureka, Southeastern Elko, Southwest Elko, Humboldt,
Northeastern Nye, and Northwestern Nye Counties.
* WHEN...From 11 AM this morning to 9 PM PDT Tuesday.
* 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.
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.
&&
$$
96
URGENT - WEATHER MESSAGE
National Weather Service Reno NV
257 PM PDT Sat Jul 12 2025
CAZ070-NVZ001-003>005-140000-
/O.CON.KREV.HT.Y.0002.000000T0000Z-250716T1800Z/
Greater Reno-Carson City-Minden Area-Western Nevada Basin and
Range including Pyramid Lake-Northern Washoe County-Surprise
Valley California-Mineral and Southern Lyon Counties-
Including the cities of Mina, Verdi, Schurz, Cedarville,
Eagleville, Nixon, Empire, Silver Springs, Smith Valley, Fort
Bidwell, Yerington, Virginia City, Sparks, Gerlach, Fallon,
Imlay, Lovelock, Gardnerville, Hawthorne, and Fernley
257 PM PDT Sat Jul 12 2025
...HEAT ADVISORY REMAINS IN EFFECT UNTIL 11 AM PDT WEDNESDAY...
* WHAT...High temperatures of 98-106 degrees expected in lower
elevations Sunday and Monday with overnight low temperatures in
the mid 60s to lower 70s, resulting in widespread Major HeatRisk.
Tuesday may not be quite as hot, but some valley sites could still
see highs near or above 100 degrees.
* WHERE...In California, Surprise Valley California. In Nevada,
Northern Washoe County, Western Nevada Basin and Range including
Pyramid Lake, Greater Reno-Carson City-Minden Area, and Mineral
and Southern Lyon Counties.
* WHEN...Until 11 AM PDT Wednesday.
* IMPACTS...Heat related illnesses increase significantly during
heat events, particularly for those working or participating in
outdoor activities.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.
&&
$$
