Extreme Heat Warning
URGENT - WEATHER MESSAGE
National Weather Service Eureka CA
848 PM PDT Fri Jul 11 2025
CAZ107-108-121200-
/O.CON.KEKA.XH.W.0001.000000T0000Z-250715T0600Z/
Northern Trinity-Southern Trinity-
848 PM PDT Fri Jul 11 2025
...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 11 PM PDT MONDAY...
* WHAT...Dangerously hot conditions with heat index values up to 102.
* WHERE...Trinity County.
* WHEN...Until 11 PM PDT Monday.
* IMPACTS...Heat related illnesses increase significantly during
extreme heat events.
* 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.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service Medford OR
116 PM PDT Fri Jul 11 2025
CAZ080-081-ORZ024-026-122315-
/O.CON.KMFR.XH.W.0001.250712T2100Z-250715T0300Z/
Western Siskiyou County-Central Siskiyou County-Eastern Curry
County and Josephine County-Jackson County-
Including the cities of Scott Bar, Merlin, Callahan, Ashland,
Happy Camp, Wilderville, Yreka, Klamath River, Etna, Grants Pass,
Medford, Fort Jones, Hilt, Greenview, and Somes Bar
116 PM PDT Fri Jul 11 2025
...EXTREME HEAT WARNING REMAINS IN EFFECT FROM 2 PM SATURDAY TO 8 PM
PDT MONDAY...
* WHAT...Dangerously hot conditions with high temperatures of 100 to
105 expected, except up to 110 in the valleys of western Siskiyou
County. Low temperatures will be mainly in the mid to upper 60s.
* WHERE...In California, Central Siskiyou County and Western
Siskiyou County. In Oregon, Eastern Curry County and Josephine
County and Jackson County. This includes Medford, Ashland, Grants
Pass, Cave Junction, Happy Camp, Fort Jones, and Yreka.
* WHEN...From 2 PM Saturday to 8 PM PDT Monday.
* IMPACTS...Heat related illnesses increase significantly during
extreme heat and high humidity events.
* ADDITIONAL DETAILS...Temperatures will likely only be a couple to
a few degrees cooler on Tuesday and Wednesday.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.
&&
$$
Heat Advisory
URGENT - WEATHER MESSAGE
National Weather Service Eureka CA
848 PM PDT Fri Jul 11 2025
CAZ110-113-121200-
/O.CON.KEKA.HT.Y.0002.000000T0000Z-250714T0600Z/
Northwestern Mendocino Interior-Southeastern Mendocino Interior-
Including Calpella, Legget, Redwood Valley, Talmage, Potter
Valley, Laytonville, Hopland, Ukiah, and Willits
848 PM PDT Fri Jul 11 2025
...HEAT ADVISORY REMAINS IN EFFECT UNTIL 11 PM PDT SUNDAY...
* 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 Sunday.
* 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.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service Eureka CA
848 PM PDT Fri Jul 11 2025
CAZ111-114-115-121200-
/O.CON.KEKA.HT.Y.0002.000000T0000Z-250714T0600Z/
Northeastern Mendocino Interior-Northern Lake-Southern Lake-
Including Finley, Hidden Valley Lake, Clearlake Park, Knobcone
Camp, Middletown, Lakeport, Clearlake, Covelo, and Gravelly
Valley Airport
848 PM PDT Fri Jul 11 2025
...HEAT ADVISORY REMAINS IN EFFECT UNTIL 11 PM PDT SUNDAY...
* WHAT...Moderate to locally major heat heat risk is expected with
highs between 100 and 105 in the valleys.
* WHERE...Lake County, and Northeastern Mendocino Interior.
* WHEN...Until 11 PM PDT Sunday.
* IMPACTS...Hot temperatures may cause heat illnesses.
* ADDITIONAL DETAILS...Overnight lows in the low 60s will provide
some relief in the valleys, but higher terrain may see lows remain
in the 70s.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service Hanford CA
259 PM PDT Fri Jul 11 2025
CAZ300>322-324-325-332-120700-
/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 Selma, Kernville, Lemoore, Visalia,
Alpaugh, Planada, Wasco, Porterville, Fish Camp, Five Points,
North Fork, Bakersfield, Blackwells Corner, Yosemite Valley,
Coalinga, Los Banos, Auberry, Buttonwillow, Merced, Lost Hills,
Mariposa, Avenal, Atwater, Madera, Oakhurst, Hanford, Goshen,
Coarsegold, San Luis Reservoir, Millerton Lake, Le Grand, Lemoore
Station, Kettleman City, El Portal, Kerman, Sanger, Shafter,
McKittrick, Taft, Lamont, Parlier, Lake Isabella, Tulare, Delano,
Lake Mcclure, Camp Nelson, Bass Lake, Kingsburg, Richgrove,
Arvin, Corcoran, and Fresno
259 PM PDT Fri Jul 11 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.
&&
$$
EW
URGENT - WEATHER MESSAGE
National Weather Service Sacramento CA
119 PM PDT Fri Jul 11 2025
CAZ013>016-063-066-068-130000-
/O.CON.KSTO.HT.Y.0003.000000T0000Z-250715T0600Z/
Shasta Lake Area / Northern Shasta County-Burney Basin / Eastern
Shasta County-Northern Sacramento Valley-Central Sacramento
Valley-Mountains Southwestern Shasta County to Western Colusa
County-Northeast Foothills/Sacramento Valley-Western Plumas
County/Lassen Park-
Including the cities of Alder Springs, Redding, Chester,
Paradise, Oroville, Quincy, Shasta Dam, Chico, Red Bluff, Burney,
and Marysville/Yuba City
119 PM PDT Fri Jul 11 2025
...HEAT ADVISORY REMAINS IN EFFECT UNTIL 11 PM PDT MONDAY...
* WHAT...High temperatures up to 95 to 110 expected. Overnight low
temperatures in the upper 60s to around 80. Widespread Moderate
HeatRisk with areas of Major HeatRisk.
* WHERE...Burney Basin / Eastern Shasta County, Northern and Central
Sacramento Valley, Mountains Southwestern Shasta County to Western
Colusa County, Northeast Foothills/Sacramento Valley, Shasta Lake
Area / Northern Shasta County, and Western Plumas County/Lassen
Park.
* WHEN...Until 11 PM PDT Monday.
* IMPACTS...Heat related illnesses increase significantly during
heat events, particularly for those working or participating in
outdoor activities.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors, especially those
more susceptible to heat impacts.
&&
$$
For more information, visit us at www.weather.gov/sto/
NR
URGENT - WEATHER MESSAGE
National Weather Service Medford OR
116 PM PDT Fri Jul 11 2025
CAZ082>085-ORZ029>031-122315-
/O.CON.KMFR.HT.Y.0002.250712T2100Z-250715T0300Z/
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 New Pine Creek, Valley Falls, Newell,
Paisley, Macdoel, Gilchrist, Bray, Davis Creek, Pondosa, Olene,
Alturas, Canby, Adel, Klamath Falls, Chemult, Midland, Lookout,
Fort Rock, Tulelake, Mount Shasta, McCloud, Crescent, Lakeview,
Day, Bly, Likely, Dunsmuir, Tennant, Adin, Altamont, Sprague
River, Dorris, and Beatty
116 PM PDT Fri Jul 11 2025
...HEAT ADVISORY REMAINS IN EFFECT FROM 2 PM SATURDAY TO 8 PM PDT
MONDAY...
* WHAT...High temperatures of 95 to 100 are expected. Low
temperatures will be mainly in the mid to upper 50s.
* 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...From 2 PM Saturday to 8 PM PDT Monday.
* IMPACTS...Hot temperatures and high humidity may cause heat
illnesses.
* ADDITIONAL DETAILS...Temperatures will likely only be a couple to
a few degrees cooler on Tuesday and Wednesday.
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.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service Reno NV
1242 PM PDT Fri Jul 11 2025
CAZ070-NVZ001-003>005-130000-
/O.EXT.KREV.HT.Y.0002.250712T1800Z-250716T1800Z/
Western Nevada Basin and Range including Pyramid Lake-Surprise
Valley California-Northern Washoe County-Mineral and Southern
Lyon Counties-Greater Reno-Carson City-Minden Area-
Including the cities of Eagleville, Lovelock, Fort Bidwell,
Hawthorne, Silver Springs, Verdi, Fernley, Fallon, Empire,
Cedarville, Virginia City, Sparks, Nixon, Mina, Imlay,
Gardnerville, Schurz, Yerington, Smith Valley, and Gerlach
1242 PM PDT Fri Jul 11 2025
...HEAT ADVISORY NOW IN EFFECT FROM 11 AM SATURDAY TO 11 AM PDT
WEDNESDAY...
* WHAT...High temperatures of 98-105 degrees expected with overnight
low temperatures in the upper 60s and lower 70s. Widespread Major
HeatRisk with isolated areas of Extreme HeatRisk.
* WHERE...In California, Surprise Valley California. In Nevada,
Northern Washoe County, Western Nevada Basin and Range including
Pyramid Lake, Greater Reno-Carson City-Minden Area, and Mineral
and Southern Lyon Counties.
* WHEN...From 11 AM Saturday to 11 AM PDT Wednesday.
* IMPACTS...Heat related illnesses increase significantly during
heat events, particularly for those working or participating in
outdoor activities.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.
&&
$$
JC
URGENT - WEATHER MESSAGE
National Weather Service Reno NV
1242 PM PDT Fri Jul 11 2025
CAZ071-130000-
/O.EXB.KREV.HT.Y.0002.250712T1800Z-250716T1800Z/
Lassen-Eastern Plumas-Eastern Sierra Counties-
Including the cities of Sierraville, Portola, Loyalton,
Susanville, and Westwood
1242 PM PDT Fri Jul 11 2025
...HEAT ADVISORY IN EFFECT FROM 11 AM SATURDAY TO 11 AM PDT
WEDNESDAY...
* WHAT...High temperatures of 98-105 degrees expected with overnight
low temperatures in the upper 60s and lower 70s. Widespread
Moderate HeatRisk with isolated areas of Major HeatRisk.
* WHERE...Lassen-Eastern Plumas-Eastern Sierra Counties.
* WHEN...From 11 AM Saturday to 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.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service Elko NV
1211 PM PDT Fri Jul 11 2025
NVZ030-033-036>038-040-041-121500-
/O.NEW.KLKN.HT.Y.0005.250713T1800Z-250715T0400Z/
Humboldt-Southeastern Elko-Northern Lander and Northern Eureka-
Southern Lander and Southern Eureka-Southwest Elko-Northwestern
Nye-Northeastern Nye-
Including the cities of Pinto Summit, Palisade, Crescent Valley,
West Wendover, Eureka Airport, Argenta, Ryndon, Tonopah, Beowawe,
Battle Mountain, Garden Pass, Round Mountain, Diamond Valley,
Elko, Lee, Blue Eagle Ranch, Valmy, Winnemucca, Spring Creek,
Manhattan, Emigrant Pass, Duckwater, South Fork, Dufferena,
Lamoille, Eureka, Jiggs, Golconda, Hickison Summit, Grass Valley,
and Dunphy
1211 PM PDT Fri Jul 11 2025
...HEAT ADVISORY IN EFFECT FROM 11 AM SUNDAY TO 9 PM PDT MONDAY...
* WHAT...High temperatures of 95 to 100 degrees in the valleys.
* WHERE...Northern Lander and Northern Eureka, Southern Lander and
Southern Eureka, Southeastern Elko, Southwest Elko, Humboldt,
Northeastern Nye, and Northwestern Nye Counties.
* WHEN...From 11 AM Sunday to 9 PM PDT Monday.
* IMPACTS...Hot temperatures may cause heat illnesses.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.
&&
$$
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