Extreme Heat Warning
URGENT - WEATHER MESSAGE
National Weather Service Salt Lake City UT
317 PM MDT Fri Aug 22 2025
UTZ123-124-230300-
/O.CON.KSLC.XH.W.0003.000000T0000Z-250823T0300Z/
Lower Washington County-Zion National Park-
Including the following locations - St George, Springdale,
Hurricane, and Ivins
317 PM MDT Fri Aug 22 2025
...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 9 PM MDT THIS
EVENING...
* WHAT...Dangerously hot conditions with temperatures up to 106
expected.
* WHERE...Lower Washington County and Zion National Park.
* WHEN...Until 9 PM MDT this evening.
* 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.
&&
$$
For more information from the National Weather Service visit
https://weather.gov/saltlakecity.
For information on potential travel impacts visit
http://udottraffic.utah.gov
JAC
URGENT - WEATHER MESSAGE
National Weather Service Hanford CA
702 AM PDT Fri Aug 22 2025
CAZ300-304-307-308-313-314-316-317-319-321-222200-
/O.CON.KHNX.XH.W.0002.250822T1800Z-250824T1500Z/
West Side Mountains north of 198-Coalinga - Avenal-Fresno-Clovis-
West Side Mountains South of 198-Buena Vista-Bakersfield-South
End San Joaquin Valley-Mariposa Madera Foothills-Fresno-Tulare
Foothills-South End Sierra Foothills-
Including the cities of Coalinga, Lamont, San Luis Reservoir,
Bakersfield, Taft, El Portal, Fresno, Mariposa, McKittrick,
Blackwells Corner, Arvin, Millerton Lake, and Avenal
702 AM PDT Fri Aug 22 2025
...EXTREME HEAT WARNING REMAINS IN EFFECT FROM 11 AM THIS MORNING TO
8 AM PDT SUNDAY...
* WHAT...Dangerously hot conditions with high temperatures up to 105
expected. Warm overnight lows in the mid 70s to lower 80s from
Friday until Sunday morning.
* WHERE...Bakersfield, Buena Vista, Coalinga - Avenal,
Fresno-Clovis, Fresno-Tulare Foothills, Mariposa Madera Foothills,
South End San Joaquin Valley, South End Sierra Foothills, West
Side Mountains South of 198, and West Side Mountains north of 198.
* WHEN...From 11 AM this morning to 8 AM PDT Sunday.
* IMPACTS...Heat related illnesses increase significantly during
extreme heat events.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.
Do not leave young children and pets in unattended vehicles. Car
interiors will reach lethal temperatures in a matter of minutes.
Stay cool, stay hydrated, stay informed.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service Las Vegas NV
122 AM PDT Fri Aug 22 2025
AZZ001>003-036-CAZ520-522>527-NVZ015>017-020>022-230900-
/O.CON.KVEF.XH.W.0009.000000T0000Z-250824T0600Z/
Northwest Plateau-Lake Havasu and Fort Mohave-Northwest Deserts-
Lake Mead National Recreation Area-Owens Valley-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 Mitchell Caverns, Western Grand Canyon,
Caliente, Indian Springs, Furnace Creek, Oatman, Pipe Spring
National Monument, Hiko, Desert Hills, Primm, Yucca, Desert Rock,
Boulder City, North Las Vegas, Searchlight, Daggett,
Independence, Pahrump, Colorado City, Lake Havasu City, Stovepipe
Wells, Barstow, Needles, Wikieup, Fort Irwin, Henderson, Olancha,
Yucca Valley, Twentynine Palms, Vidal Junction, Pioche,
Cal-Nev-Ari, Golden Valley, Panaca, Dolan Springs, Tuweep,
Amargosa Valley, Hoover Dam, Laughlin, Moapa, Mountain Pass,
Kingman, Lone Pine, Baker, Topock, Las Vegas, Bullhead City,
Shoshone, Morongo Valley, Overton, Bishop, Rachel, Alamo,
Mesquite, Valentine, Mohave Valley, and Mt Trumbull
122 AM PDT Fri Aug 22 2025 /122 AM MST Fri Aug 22 2025/
...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 11 PM PDT /11 PM
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. In the Owens Valley,
temperatures will be around 100 to 105, yielding Moderate Heat
Risk.
* WHERE...Portions of northwest Arizona, southeast California, and
south central and southern Nevada.
* WHEN...Until 11 PM PDT /11 PM 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.
&&
$$
Heat Advisory
URGENT - WEATHER MESSAGE
National Weather Service Medford OR
158 PM PDT Fri Aug 22 2025
CAZ083>085-ORZ027>031-231200-
/O.CON.KMFR.HT.Y.0006.000000T0000Z-250824T0300Z/
North Central and Southeast Siskiyou County-Northeast Siskiyou
and Northwest Modoc Counties-Modoc County-South Central Oregon
Cascades-Siskiyou Mountains and Southern Oregon Cascades-Klamath
Basin-Northern and Eastern Klamath County and Western Lake County-
Central and Eastern Lake County-
Including the cities of Fort Rock, Lakeview, Dorris, Siskiyou
Summit, Adin, Olene, Valley Falls, Gilchrist, Altamont, Midland,
Crescent, Canby, Pondosa, Bly, Day, Likely, Alturas, Chemult,
Newell, Diamond Lake, Paisley, Crater Lake, Tennant, Beatty,
Adel, Davis Creek, Tulelake, Crescent Lake, Howard Prairie,
Macdoel, Union Creek, Bray, Lookout, Klamath Falls, Sprague
River, and New Pine Creek
158 PM PDT Fri Aug 22 2025
...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT SATURDAY...
* WHAT...Hot conditions with high temperatures of 95 to 100 degrees
expected. Overnight low temperatures of 50 to 65 degrees.
* WHERE...In Oregon, all areas from the Cascades and Siskiyou
Mountains eastward, including Union Creek, Lake of the Woods, Fish
Lake, Howard Prairie, Klamath Falls, Chiloquin, Crescent, Fort
Rock, Bly and Lakeview. In California, eastern Siskiyou County and
all of Modoc County, including Dorris, Macdoel, Tulelake, Adin,
Alturas and Likely.
* WHEN...Until 8 PM PDT Saturday.
* IMPACTS...Hot temperatures may cause heat related illnesses.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service Elko NV
156 PM PDT Fri Aug 22 2025
NVZ030-031-036-038-039-231500-
/O.CON.KLKN.HT.Y.0007.000000T0000Z-250823T0300Z/
/O.CON.KLKN.HT.Y.0008.250823T1800Z-250824T0300Z/
Humboldt-Northern Elko-Northern Lander and Northern Eureka-
Southwest Elko-South Central Elko-
Including the cities of Ryndon, Jarbidge, Palisade, Battle
Mountain, Dunphy, Oasis, Valmy, South Fork, Crescent Valley,
Mountain City, Dufferena, Beowawe, Elko, Winnemucca, Spring
Creek, Jiggs, Midas, Emigrant Pass, Argenta, Lee, Owyhee,
Charleston, Lamoille, Gibbs Ranch, Golconda, Tuscarora, and Ruby
Lake
156 PM PDT Fri Aug 22 2025
...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT THIS EVENING...
...HEAT ADVISORY REMAINS IN EFFECT FROM 11 AM TO 8 PM PDT SATURDAY...
* WHAT...High temperatures 97 to 102 degrees expected in the valleys.
* WHERE...Northern Lander and Northern Eureka, Northern Elko, South
Central Elko, Southwest Elko, and Humboldt Counties.
* WHEN...For the first Heat Advisory, until 8 PM PDT this evening.
For the second Heat Advisory, from 11 AM to 8 PM PDT Saturday.
* IMPACTS...Hot temperatures may cause heat illnesses.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Drink plenty of fluids, stay in an air-conditioned room, remain out
of the sun, and check 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.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service Elko NV
156 PM PDT Fri Aug 22 2025
NVZ033-231500-
/O.CON.KLKN.HT.Y.0008.250823T1800Z-250824T0300Z/
Southeastern Elko-
Including the cities of West Wendover
156 PM PDT Fri Aug 22 2025
...HEAT ADVISORY REMAINS IN EFFECT FROM 11 AM TO 8 PM PDT SATURDAY...
* WHAT...High temperatures 96 to 101 degrees expected in the valleys.
* WHERE...Southeastern Elko County.
* WHEN...From 11 AM to 8 PM PDT Saturday.
* IMPACTS...Hot temperatures may cause heat illnesses.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Drink plenty of fluids, stay in an air-conditioned room, remain out
of the sun, and check on relatives and neighbors.
Take extra precautions when outside. Wear lightweight and loose
fitting clothing. Try to limit strenuous activities to early morning
or evening. Take action when you see symptoms of heat exhaustion and
heat stroke.
&&
$$
90
URGENT - WEATHER MESSAGE
National Weather Service Elko NV
156 PM PDT Fri Aug 22 2025
NVZ037-041-230300-
/O.CON.KLKN.HT.Y.0007.000000T0000Z-250823T0300Z/
Southern Lander and Southern Eureka-Northeastern Nye-
Including the cities of Hickison Summit, Pinto Summit, Duckwater,
Grass Valley, Eureka Airport, Blue Eagle Ranch, Garden Pass,
Diamond Valley, and Eureka
156 PM PDT Fri Aug 22 2025
...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT THIS EVENING...
* WHAT...High temperatures 97 to 102 degrees expected in the valleys.
* WHERE...Southern Lander and Southern Eureka and Northeastern Nye
Counties.
* 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, remain out
of the sun, and check 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.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service Sacramento CA
1243 PM PDT Fri Aug 22 2025
CAZ013-015>019-063-232300-
/O.CON.KSTO.HT.Y.0004.000000T0000Z-250824T0600Z/
Shasta Lake Area / Northern Shasta County-Northern Sacramento
Valley-Central Sacramento Valley-Southern Sacramento Valley-
Carquinez Strait and Delta-Northern San Joaquin Valley-Mountains
Southwestern Shasta County to Western Colusa County-
Including the cities of Shasta Dam, Oroville, Fairfield/Suisun,
Stockton, Marysville/Yuba City, Redding, Modesto, Alder Springs,
Chico, Red Bluff, and Sacramento
1243 PM PDT Fri Aug 22 2025
...HEAT ADVISORY REMAINS IN EFFECT UNTIL 11 PM PDT SATURDAY...
* WHAT...High temperatures 95 to 107 expected. Overnight low
temperatures in the mid 60s to 70s. Widespread Moderate HeatRisk
with areas of Major HeatRisk.
* WHERE...Carquinez Strait and Delta, Sacramento Valley, Mountains
Southwestern Shasta County to Western Colusa County, Northern San
Joaquin Valley, and Shasta Lake Area / Northern Shasta County.
* WHEN...Until 11 PM PDT Saturday.
* IMPACTS...Heat related illnesses increase significantly during
heat events, particularly for those working or participating in
outdoor activities.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.
Take extra precautions when outside. Wear lightweight and loose
fitting clothing. Try to limit strenuous activities to early morning
or evening. Take action when you see symptoms of heat exhaustion and
heat stroke.
&&
$$
For more information, visit us at www.weather.gov/sto/
NR
URGENT - WEATHER MESSAGE
National Weather Service Hanford CA
702 AM PDT Fri Aug 22 2025
CAZ301>303-305-306-309>312-315-332-222200-
/O.CON.KHNX.HT.Y.0004.250822T1800Z-250824T1500Z/
Los Banos - Dos Palos-Merced - Madera - Mendota-Planada - Le
Grand - Snelling-West Side of Fresno and Kings Counties-Caruthers
- San Joaquin - Selma-Buttonwillow - Lost Hills - I5-Delano-Wasco-
Shafter-Hanford - Corcoran - Lemoore-Visalia - Porterville -
Reedley-Southeast San Joaquin Valley-Kern River Valley-
Including the cities of Five Points, Lake Mcclure, Lost Hills,
Parlier, Buttonwillow, Wasco, Richgrove, Lemoore Station, Kerman,
Madera, Visalia, Porterville, Merced, Alpaugh, Kingsburg, Sanger,
Shafter, Atwater, Tulare, Lake Isabella, Kernville, Lemoore,
Planada, Los Banos, Selma, Goshen, Kettleman City, Le Grand,
Hanford, Corcoran, and Delano
702 AM PDT Fri Aug 22 2025
...HEAT ADVISORY REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 8 AM
PDT SUNDAY...
* WHAT...High temperatures up to 107 expected. Warm overnight lows
in the low to mid 70s from Friday until Sunday morning.
* WHERE...A portion of central California.
* WHEN...From 11 AM this morning to 8 AM PDT Sunday.
* 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.
&&
$$
SM
URGENT - WEATHER MESSAGE
National Weather Service Reno NV
228 AM PDT Fri Aug 22 2025
CAZ071-231200-
/O.CON.KREV.HT.Y.0004.250822T1900Z-250824T1600Z/
Lassen-Eastern Plumas-Eastern Sierra Counties-
Including the cities of Susanville, Portola, Sierraville,
Westwood, and Loyalton
228 AM PDT Fri Aug 22 2025
...HEAT ADVISORY REMAINS IN EFFECT FROM NOON TODAY TO 9 AM PDT
SUNDAY EASTERN LASSEN...
* WHAT...High temperatures ranging from 97 to 101 degrees. Mild
overnight lows between 60 to 68 degrees. Widespread Moderate to
Major HeatRisk.
* WHERE...Lassen-Eastern Plumas-Eastern Sierra Counties.
* WHEN...From noon today to 9 AM PDT Sunday.
* IMPACTS...Heat-related illnesses will be more likely, especially
for those spending extended periods outdoors, in poorly cooled
indoor spaces, or who are sensitive to heat.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Drink plenty of fluids, stay in an air-conditioned room if possible,
stay out of the sun, and check up on relatives and neighbors.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service Reno NV
228 AM PDT Fri Aug 22 2025
NVZ001-003-231200-
/O.CON.KREV.HT.Y.0004.250822T1900Z-250823T1600Z/
Mineral and Southern Lyon Counties-Greater Reno-Carson City-
Minden Area-
Including the cities of Smith Valley, Hawthorne, Yerington,
Virginia City, Sparks, Gardnerville, Verdi, Schurz, and Mina
228 AM PDT Fri Aug 22 2025
...HEAT ADVISORY REMAINS IN EFFECT FROM NOON TODAY TO 9 AM PDT
SATURDAY...
* WHAT...High temperatures ranging from 99 to 102 degrees. Mild
overnight lows between 63 to 69 degrees, with widespread Moderate
to Major HeatRisk.
* WHERE...Greater Reno-Carson City-Minden Area and Mineral and
Southern Lyon Counties.
* WHEN...From noon today to 9 AM PDT Saturday.
* 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.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Drink plenty of fluids, stay in an air-conditioned room if possible,
stay out of the sun, and check up on relatives and neighbors.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service Reno NV
228 AM PDT Fri Aug 22 2025
NVZ004-005-231200-
/O.CON.KREV.HT.Y.0004.250822T1900Z-250824T1600Z/
Western Nevada Basin and Range including Pyramid Lake-Northern
Washoe County-
Including the cities of Nixon, Imlay, Empire, Fallon, Fernley,
Gerlach, Lovelock, and Silver Springs
228 AM PDT Fri Aug 22 2025
...HEAT ADVISORY REMAINS IN EFFECT FROM NOON TODAY TO 9 AM PDT
SUNDAY...
* WHAT...High temperatures ranging from 98 to 103 degrees. Warm
overnight lows between 63 to 73 degrees. Widespread Moderate to
Major HeatRisk.
* WHERE...Northern Washoe County and Western Nevada Basin and Range
including Pyramid Lake.
* WHEN...From noon today to 9 AM PDT Sunday.
* IMPACTS...Heat-related illnesses will be more likely, especially
for those spending extended periods outdoors, in poorly cooled
indoor spaces, or who are sensitive to heat.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Drink plenty of fluids, stay in an air-conditioned room if possible,
stay out of the sun, and check up on relatives and neighbors.
&&
$$
JC
URGENT - WEATHER MESSAGE
National Weather Service Las Vegas NV
122 AM PDT Fri Aug 22 2025
NVZ014-018-019-230900-
/O.CON.KVEF.HT.Y.0003.000000T0000Z-250824T0600Z/
Esmeralda and Central Nye County-Sheep Range-Spring Mountains-Red
Rock Canyon-
Including the cities of Silver Peak, Mt Charleston, Goldfield,
Hayford Pk, Dyer, Red Rock Canyon, and Beatty
122 AM PDT Fri Aug 22 2025
...HEAT ADVISORY REMAINS IN EFFECT UNTIL 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.
Above-normal temperatures with afternoon highs between 95 and 100
for Goldfield; Tonopah; between 100 and 105 for Beatty. Expect
minimal overnight recovery. Moderate-to-High Heat Risk.
* WHERE...Esmeralda and Central Nye County, Sheep Range, and Spring
Mountains-Red Rock Canyon.
* WHEN...Until 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.
&&
$$
For more information from the National Weather Service visit
http://weather.gov/lasvegas
Stessman
Special Weather Statement
Special Weather Statement
National Weather Service San Joaquin Valley CA
258 PM PDT Fri Aug 22 2025
CAZ326>328-222230-
Kaiser to Rodgers Ridge CA-Kings Canyon NP CA-
Upper San Joaquin River CA-
258 PM PDT Fri Aug 22 2025
...A STRONG THUNDERSTORM WILL IMPACT NORTHEASTERN FRESNO COUNTY
THROUGH 330 PM PDT...
At 258 PM PDT, Doppler radar was tracking a strong thunderstorm 8
miles southwest of South Lake. This thunderstorm was nearly
stationary.
HAZARD...Wind gusts up to 40 mph and pea size hail.
SOURCE...Radar indicated.
IMPACT...Gusty winds could knock down tree limbs and blow around
unsecured objects. Minor hail damage to vegetation is
possible.
Locations impacted include...
McClure Meadow Ranger Station.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If outdoors, consider seeking shelter inside a building.
Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.
&&
LAT...LON 3708 11861 3705 11873 3720 11880 3723 11868
3719 11866 3716 11867 3714 11866 3714 11862
TIME...MOT...LOC 2158Z 166DEG 3KT 3711 11868
MAX HAIL SIZE...0.25 IN
MAX WIND GUST...40 MPH
$$
EW
