Non-Precipitation Warnings / Watches / Advisories
Issued by NWS Eureka, CA

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032
WWUS76 KEKA 220600
NPWEKA

URGENT - WEATHER MESSAGE
National Weather Service Eureka CA
1100 PM PDT Thu Aug 21 2025

CAZ107-108-111-114-115-221900-
/O.CON.KEKA.HT.Y.0006.000000T0000Z-250824T0600Z/
Northern Trinity-Southern Trinity-Northeastern Mendocino Interior-
Northern Lake-Southern Lake-
Including Peanut, Junction City, Big Bar, Hyampom, Weaverville,
Forest Glen, Finley, Del Loma, Douglas City, Trinity Center,
Carrville, Covelo, Helena, Hidden Valley Lake, Middletown,
Gravelly Valley Airport, Hayfork, Ruth, Clearlake, Clearlake
Park, and Lakeport
1100 PM PDT Thu Aug 21 2025

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

* WHAT...High temperatures from 100 to 110 with moderate to isolated
  Major HeatRisk.

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

* WHEN...Until 11 PM PDT Saturday.

* IMPACTS...Hot temperatures and warm nights 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.

Schedule frequent rest breaks in shaded or air conditioned
environments during outdoor work. Anyone overcome by heat should be
moved to a cool and shaded location. Heat stroke is an emergency!
Call 9 1 1.

&&

$$

CAZ105-106-110-113-221900-
/O.CON.KEKA.HT.Y.0006.250822T1800Z-250824T0600Z/
Northern Humboldt Interior-Southern Humboldt Interior-
Northwestern Mendocino Interior-Southeastern Mendocino Interior-
Including Potter Valley, Alderpoint, Ukiah, Hopland, Willow
Creek, Weitchpec, Redwood Valley, Calpella, Talmage, Bull Creek,
Benbow, Orleans, Laytonville, Garberville, and Hoopa
1100 PM PDT Thu Aug 21 2025

...HEAT ADVISORY REMAINS IN EFFECT FROM 11 AM FRIDAY TO 11 PM PDT
SATURDAY...

* WHAT...Temperatures from 100 to 109 with moderate to isolated
  Major HeatRisk.

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

* WHEN...From 11 AM Friday to 11 PM PDT Saturday.

* IMPACTS...Hot temperatures and warm night 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.

Schedule frequent rest breaks in shaded or air conditioned
environments during outdoor work. Anyone overcome by heat should be
moved to a cool and shaded location. Heat stroke is an emergency!
Call 9 1 1.

&&

$$

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

JHW