WWA Summary for Heat Advisory Issued by MTR

Heat Advisory

URGENT - WEATHER MESSAGE
National Weather Service Eureka CA
632 PM PDT Mon Jul 14 2025

CAZ110-113-150600-
/O.CON.KEKA.HT.Y.0002.000000T0000Z-250715T0600Z/
Northwestern Mendocino Interior-Southeastern Mendocino Interior-
Including Potter Valley, Redwood Valley, Hopland, Calpella,
Willits, Laytonville, Ukiah, Legget, and Talmage
632 PM PDT Mon Jul 14 2025

...HEAT ADVISORY REMAINS IN EFFECT UNTIL 11 PM PDT THIS EVENING...

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

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

* WHEN...Until 11 PM PDT this evening.

* 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
632 PM PDT Mon Jul 14 2025

CAZ111-114-115-150600-
/O.CON.KEKA.HT.Y.0002.000000T0000Z-250715T0600Z/
Northeastern Mendocino Interior-Northern Lake-Southern Lake-
Including Clearlake Park, Knobcone Camp, Clearlake, Covelo,
Hidden Valley Lake, Lakeport, Finley, Middletown, and Gravelly
Valley Airport
632 PM PDT Mon Jul 14 2025

...HEAT ADVISORY REMAINS IN EFFECT UNTIL 11 PM PDT THIS EVENING...

* 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 this evening.

* 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.

&&

$$

For hazard areas see https://www.wrh.noaa.gov/map/?wfo=eka

JB

URGENT - WEATHER MESSAGE
National Weather Service Hanford CA
250 PM PDT Mon Jul 14 2025

CAZ300>322-324-325-332-150600-
/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 Goshen, Alpaugh, Kernville, Fish Camp,
Parlier, Kingsburg, Lamont, Fresno, Sanger, Arvin, Coarsegold,
Mariposa, Selma, Buttonwillow, Lake Isabella, Atwater, Taft,
Oakhurst, Richgrove, Bakersfield, Lemoore Station, Hanford, Los
Banos, Lost Hills, El Portal, San Luis Reservoir, Porterville,
Visalia, Yosemite Valley, Lake Mcclure, Avenal, Auberry, Five
Points, Kettleman City, Corcoran, Tulare, Bass Lake, Coalinga,
Millerton Lake, North Fork, Delano, McKittrick, Le Grand, Wasco,
Merced, Madera, Blackwells Corner, Kerman, Camp Nelson, Lemoore,
Planada, and Shafter
250 PM PDT Mon Jul 14 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 Sacramento CA
1227 PM PDT Mon Jul 14 2025

CAZ013>016-063-066-068-150600-
/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 Shasta Dam, Red Bluff, Redding, Paradise,
Marysville/Yuba City, Chico, Oroville, Alder Springs, Quincy,
Chester, and Burney
1227 PM PDT Mon Jul 14 2025

...HEAT ADVISORY REMAINS IN EFFECT UNTIL 11 PM PDT THIS EVENING...

* WHAT...High temperatures up to 95 to 105 expected today.
  Widespread Moderate HeatRisk, with a few 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 this evening.

* 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/

SP

URGENT - WEATHER MESSAGE
National Weather Service Reno NV
1121 AM PDT Mon Jul 14 2025

CAZ070-071-NVZ003-005-151600-
/O.EXT.KREV.HT.Y.0002.000000T0000Z-250715T1600Z/
Greater Reno-Carson City-Minden Area-Northern Washoe County-
Lassen-Eastern Plumas-Eastern Sierra Counties-Surprise Valley
California-
Including the cities of Portola, Gardnerville, Gerlach,
Eagleville, Westwood, Empire, Susanville, Verdi, Sierraville,
Sparks, Cedarville, Virginia City, Fort Bidwell, and Loyalton
1121 AM PDT Mon Jul 14 2025

...HEAT ADVISORY NOW IN EFFECT UNTIL 9 AM PDT TUESDAY...

* WHAT...High temperatures of 98-104 degrees expected in lower
  elevations through this afternoon with tonight`s low temperatures
  in the 60s to near 70 degrees, resulting in widespread Major
  HeatRisk.

* WHERE...In California, Lassen-Eastern Plumas-Eastern Sierra
  Counties and Surprise Valley California. In Nevada, Northern
  Washoe County and Greater Reno-Carson City-Minden Area.

* WHEN...Until 9 AM PDT Tuesday.

* IMPACTS...Heat related illnesses increase significantly during
  heat events, particularly for those working or participating in
  outdoor activities.

* ADDITIONAL DETAILS...High temperatures on Tuesday will be about 5
  degrees cooler compared to today, mainly in the mid-upper 90s for
  lower elevations, followed by more cooling Tuesday night, so the
  duration of this Heat Advisory has been reduced.

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
1121 AM PDT Mon Jul 14 2025

NVZ001-004-151830-
/O.EXT.KREV.HT.Y.0002.000000T0000Z-250716T1600Z/
Western Nevada Basin and Range including Pyramid Lake-Mineral and
Southern Lyon Counties-
Including the cities of Schurz, Imlay, Smith Valley, Fallon,
Silver Springs, Lovelock, Yerington, Fernley, Nixon, Hawthorne,
and Mina
1121 AM PDT Mon Jul 14 2025

...HEAT ADVISORY NOW IN EFFECT UNTIL 9 AM PDT WEDNESDAY...

* WHAT...High temperatures of 101-106 degrees expected in lower
  elevations through this afternoon with tonight`s 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
  will still see highs near or above 100 degrees.

* WHERE...Western Nevada Basin and Range including Pyramid Lake and
  Mineral and Southern Lyon Counties.

* WHEN...Until 9 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