140
WWUS76 KEKA 090433
NPWEKA

URGENT - WEATHER MESSAGE
National Weather Service Eureka CA
933 PM PDT Sat Aug 8 2026

CAZ105-106-090545-
/O.CAN.KEKA.HT.Y.0003.000000T0000Z-260809T0600Z/
Northeastern Interior Humboldt-Southeastern Interior Humboldt-
Including Willow Creek, Weitchpec, Benbow, Bridgeville, Bull Creek,
Kneeland, Shively, Hoopa, Dinsmore, Alderpoint, Garberville, Orleans,
and Pepperwood
933 PM PDT Sat Aug 8 2026

...HEAT ADVISORY IS CANCELLED...

Temperatures continue to decrease after sunset, and hence the heat
advisory is cancelled.

$$

CAZ108-116-117-091245-
/O.CON.KEKA.HT.Y.0003.000000T0000Z-260810T0500Z/
Southern Trinity-Northwestern and Central Trinity-Northeastern
Trinity-
Including Hyampom, Big Bar, Hayfork, Douglas City, Weaverville,
Helena, Junction City, Del Loma, Peanut, Trinity Center, Ruth, Zenia,
Forest Glen, and Carrville
933 PM PDT Sat Aug 8 2026

...HEAT ADVISORY REMAINS IN EFFECT UNTIL 10 PM PDT SUNDAY...

* WHAT...Temperatures of 100 to 110 will produce moderate to major
  HeatRisk on Sunday.

* WHERE...Trinity County.

* WHEN...Until 10 PM PDT Sunday.

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

* ADDITIONAL DETAILS...Hot temperatures are expected to continue into
  Sunday.

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.

&&

$$

CAZ110-111-113-114-118>120-091245-
/O.CON.KEKA.HT.Y.0004.000000T0000Z-260810T0500Z/
Northwestern Interior Mendocino-Northeastern Interior Mendocino-
Southeastern Interior Mendocino-Northern Lake-Western Lake-
Southwestern Lake-Eastern Lake-
Including Cobb, Finley, Laytonville, Ukiah, Willits, Redwood Valley,
Legget, Gravelly Valley Airport, Upper Lake, Covelo, Middletown,
Lakeport, Knobcone Camp, Hopland, Potter Valley, Talmage, Clearlake,
Hidden Valley Lake, Calpella, and Clearlake Park
933 PM PDT Sat Aug 8 2026

...HEAT ADVISORY REMAINS IN EFFECT UNTIL 10 PM PDT SUNDAY...

* WHAT...Temperatures of 100 to 110 will produce moderate to major
  HeatRisk on Sunday.

* WHERE...Northern Mendocino Interior, Lake County, and Southeastern
  Interior Mendocino.

* WHEN...Until 10 PM PDT Sunday.

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

* ADDITIONAL DETAILS...Hot temperatures are expected to continue into
  Sunday.

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.

&&

$$

CAZ112-091245-
/O.CON.KEKA.HT.Y.0005.000000T0000Z-260810T0500Z/
Southwestern Interior Mendocino-
Including Philo, Comptche, Yorkville, and Boonville
933 PM PDT Sat Aug 8 2026

...HEAT ADVISORY REMAINS IN EFFECT UNTIL 10 PM PDT SUNDAY...

* WHAT...Temperatures of 90 to 101 will produce moderate HeatRisk on
  Sunday.

* WHERE...Southwestern Interior Mendocino.

* WHEN...Until 10 PM PDT Sunday.

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

* ADDITIONAL DETAILS...Hot temperatures are expected to continue into
  Sunday.

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.weather.gov/wrh/hazards/?wfo=eka

MH