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Heat Advisory


URGENT - WEATHER MESSAGE
National Weather Service Reno NV
419 PM PDT Sun Jul 13 2025

CAZ071-150000-
/O.CON.KREV.HT.Y.0002.000000T0000Z-250716T1800Z/
Lassen-Eastern Plumas-Eastern Sierra Counties-
Including the cities of Westwood, Loyalton, Portola, Sierraville,
and Susanville
419 PM PDT Sun Jul 13 2025

...HEAT ADVISORY REMAINS IN EFFECT UNTIL 11 AM PDT WEDNESDAY...

* WHAT...High temperatures of 96-104 degrees expected in lower
  elevations through Monday with overnight low temperatures in the
  60s, resulting in widespread Moderate HeatRisk with isolated areas
  of Major HeatRisk. Tuesday won`t be quite as hot, but some valley
  sites could still see highs near 100 degrees.

* WHERE...Lassen-Eastern Plumas-Eastern Sierra 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.

&&

$$

MD

URGENT - WEATHER MESSAGE
National Weather Service Reno NV
419 PM PDT Sun Jul 13 2025

CAZ070-NVZ001-003>005-150000-
/O.CON.KREV.HT.Y.0002.000000T0000Z-250716T1800Z/
Greater Reno-Carson City-Minden Area-Mineral and Southern Lyon
Counties-Surprise Valley California-Western Nevada Basin and
Range including Pyramid Lake-Northern Washoe County-
Including the cities of Mina, Sparks, Eagleville, Smith Valley,
Empire, Fallon, Virginia City, Gardnerville, Verdi, Cedarville,
Schurz, Fort Bidwell, Lovelock, Nixon, Gerlach, Yerington,
Hawthorne, Fernley, Silver Springs, and Imlay
419 PM PDT Sun Jul 13 2025

...HEAT ADVISORY REMAINS IN EFFECT UNTIL 11 AM PDT WEDNESDAY...

* WHAT...High temperatures of 98-106 degrees expected in lower
  elevations through Monday with overnight low temperatures in the
  mid 60s to lower 70s, resulting in widespread Major HeatRisk.
  Tuesday won`t 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.

&&

$$

URGENT - WEATHER MESSAGE
National Weather Service Eureka CA
740 PM PDT Sun Jul 13 2025

CAZ110-113-141045-
/O.EXT.KEKA.HT.Y.0002.000000T0000Z-250715T0600Z/
Northwestern Mendocino Interior-Southeastern Mendocino Interior-
Including Redwood Valley, Willits, Ukiah, Legget, Hopland,
Calpella, Potter Valley, Talmage, and Laytonville
740 PM PDT Sun Jul 13 2025

...HEAT ADVISORY NOW IN EFFECT UNTIL 11 PM PDT MONDAY...

* WHAT...Moderate heat risk is expected with highs from 100 to 105
  each afternoon.

* WHERE...Northwestern Mendocino Interior and Southeastern Mendocino
  Interior.

* WHEN...Until 11 PM PDT Monday.

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

* ADDITIONAL DETAILS...Overnight lows around 60 will provide some
  relief in the valleys, but higher terrain may see lows remain in
  the 70s.

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 Eureka CA
740 PM PDT Sun Jul 13 2025

CAZ111-114-115-141045-
/O.EXT.KEKA.HT.Y.0002.000000T0000Z-250715T0600Z/
Northeastern Mendocino Interior-Northern Lake-Southern Lake-
Including Covelo, Lakeport, Hidden Valley Lake, Clearlake Park,
Finley, Knobcone Camp, Middletown, Clearlake, and Gravelly Valley
Airport
740 PM PDT Sun Jul 13 2025

...HEAT ADVISORY NOW IN EFFECT UNTIL 11 PM PDT MONDAY...

* WHAT...Moderate to locally major heat heat risk is expected with
  highs between 100 and 105 in the valleys.

* WHERE...Lake County, and Northeastern Mendocino Interior.

* WHEN...Until 11 PM PDT Monday.

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

* ADDITIONAL DETAILS...Overnight lows in the low 60s will provide
  some relief in the valleys, but higher terrain may see lows remain
  in the 70s.

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 Hanford CA
300 PM PDT Sun Jul 13 2025

CAZ300>322-324-325-332-140600-
/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 Visalia, Kettleman City, Delano, Arvin,
Buttonwillow, Yosemite Valley, Hanford, Le Grand, El Portal,
Tulare, Lake Mcclure, Five Points, Madera, Kernville, Millerton
Lake, Porterville, Fish Camp, Alpaugh, San Luis Reservoir,
Sanger, Merced, Lake Isabella, Coarsegold, Lemoore, Los Banos,
Oakhurst, Camp Nelson, Lemoore Station, Bass Lake, Avenal,
Bakersfield, Coalinga, Goshen, North Fork, Kingsburg, Selma,
Atwater, Wasco, Auberry, Lamont, Taft, Shafter, Kerman,
Richgrove, Planada, McKittrick, Mariposa, Blackwells Corner,
Corcoran, Lost Hills, Fresno, and Parlier
300 PM PDT Sun Jul 13 2025

...HEAT ADVISORY REMAINS IN EFFECT UNTIL 11 PM PDT TUESDAY...

* WHAT...High temperatures up to 105 degrees expected.

* WHERE...A portion of central California.

* 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.

&&

$$

SM

URGENT - WEATHER MESSAGE
National Weather Service Medford OR
1252 PM PDT Sun Jul 13 2025

CAZ082>085-ORZ029>031-141215-
/O.CON.KMFR.HT.Y.0002.000000T0000Z-250716T0300Z/
South Central Siskiyou County-North Central and Southeast
Siskiyou County-Northeast Siskiyou and Northwest Modoc Counties-
Modoc County-Klamath Basin-Northern and Eastern Klamath County
and Western Lake County-Central and Eastern Lake County-
Including the cities of Fort Rock, Beatty, Adin, Olene, Chemult,
Lookout, McCloud, New Pine Creek, Alturas, Crescent, Sprague
River, Gilchrist, Bly, Mount Shasta, Macdoel, Davis Creek,
Lakeview, Canby, Day, Adel, Altamont, Pondosa, Bray, Newell,
Paisley, Dunsmuir, Dorris, Tennant, Tulelake, Klamath Falls,
Midland, Valley Falls, and Likely
1252 PM PDT Sun Jul 13 2025

...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT TUESDAY...

* WHAT...High temperatures of 95 to 100 are expected. Low
  temperatures will be mainly in the mid-50s to low 60s.

* WHERE...Lake County and eastern Klamath County, South Central
  Siskiyou County, North Central and Southeast Siskiyou County,
  Northeast Siskiyou and Northwest Modoc Counties, Modoc County, and
  Klamath Basin. This includes Klamath Falls, Lakeview, Mount
  Shasta, and Alturas.

* WHEN...Until 8 PM PDT Tuesday.

* IMPACTS...An increased chance of heat related illness for those
  without access to cooling facilities.

* ADDITIONAL DETAILS...Warm overnight temperatures will limit relief
  from hot daytime temperatures. Hot temperatures are likely to
  continue into mid-week.

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
1223 PM PDT Sun Jul 13 2025

CAZ013>016-063-066-068-142300-
/O.CON.KSTO.HT.Y.0003.000000T0000Z-250715T0600Z/
Shasta Lake Area / Northern Shasta County-Burney Basin / Eastern
Shasta County-Northern Sacramento Valley-Central Sacramento
Valley-Mountains Southwestern Shasta County to Western Colusa
County-Northeast Foothills/Sacramento Valley-Western Plumas
County/Lassen Park-
Including the cities of Alder Springs, Redding, Chester,
Oroville, Paradise, Burney, Marysville/Yuba City, Quincy, Shasta
Dam, Chico, and Red Bluff
1223 PM PDT Sun Jul 13 2025

...HEAT ADVISORY REMAINS IN EFFECT UNTIL 11 PM PDT MONDAY...

* WHAT...High temperatures up to 95 to 110 expected. Overnight low
  temperatures in the upper 60s to upper 70s. Widespread Moderate
  HeatRisk with areas of Major HeatRisk.

* WHERE...Burney Basin / Eastern Shasta County, Central Sacramento
  Valley, Mountains Southwestern Shasta County to Western Colusa
  County, Northeast Foothills/Sacramento Valley, Northern Sacramento
  Valley, Shasta Lake Area / Northern Shasta County, and Western
  Plumas County/Lassen Park.

* WHEN...Until 11 PM PDT Monday.

* 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, especially those
more susceptible to heat impacts.

&&

$$

For more information, visit us at www.weather.gov/sto/

NR

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 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

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
NATIONAL WEATHER SERVICE: for Safety, for Work, for Fun - FOR LIFE