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Heat Advisory


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

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 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 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 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

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
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