WWUS76 KEKA 271153

NPWEKA



URGENT - WEATHER MESSAGE

National Weather Service Eureka CA

453 AM PDT Mon Oct 27 2025



CAZ101-103-271600-

/O.CON.KEKA.FR.Y.0026.000000T0000Z-251027T1600Z/

Coastal Del Norte-Northern Humboldt Coast-

Including McKinleyville and Arcata

453 AM PDT Mon Oct 27 2025



...FROST ADVISORY REMAINS IN EFFECT UNTIL 9 AM PDT THIS MORNING...



* WHAT...Temperatures as low as 31 will result in frost formation.



* WHERE...Del Norte and Northern Humboldt Coast.



* WHEN...Until 9 AM PDT this morning.



* IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive 

  outdoor plants may be killed if left uncovered.



* ADDITIONAL DETAILS...Areas closest to the ocean will not see frost.



PRECAUTIONARY/PREPAREDNESS ACTIONS...



Take steps now to protect tender plants from the cold.



&&



$$



CAZ107-108-111-272000-

/O.CON.KEKA.FR.Y.0025.251028T0900Z-251028T1600Z/

Northern Trinity-Southern Trinity-Northeastern Mendocino Interior-

Including Douglas City, Hayfork, Weaverville, and Covelo

453 AM PDT Mon Oct 27 2025



...FROST ADVISORY REMAINS IN EFFECT FROM 2 AM TO 9 AM PDT TUESDAY...



* WHAT...Temperatures as low as 34 will result in frost formation.



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



* WHEN...From 2 AM to 9 AM PDT Tuesday.



* IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive 

  outdoor plants may be killed if left uncovered.



PRECAUTIONARY/PREPAREDNESS ACTIONS...



Take steps now to protect tender plants from the cold.



&&



$$



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



JHW