329
WWUS76 KEKA 222001
NPWEKA

URGENT - WEATHER MESSAGE
National Weather Service Eureka CA
1201 PM PST Sat Nov 22 2025

CAZ103-106>108-110-111-230415-
/O.NEW.KEKA.FR.Y.0029.251123T1000Z-251123T1700Z/
Northern Humboldt Coast-Southern Humboldt Interior-Northern
Trinity-Southern Trinity-Northwestern Mendocino Interior-
Northeastern Mendocino Interior-
Including Laytonville, Potter Valley, Douglas City, Weaverville,
Hayfork, Dinsmore, Forest Glen, Peanut, and Covelo
1201 PM PST Sat Nov 22 2025

...FROST ADVISORY IN EFFECT FROM 2 AM TO 9 AM PST SUNDAY...

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

* WHERE...Trinity County, Northern Mendocino Interior, Northern
  Humboldt Coast, and Southern Humboldt Interior.

* WHEN...From 2 AM to 9 AM PST Sunday.

* IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive
  outdoor plants may be killed if left uncovered.

* ADDITIONAL DETAILS...Overnight valley fog will continue to make
  frost formation patchy at best.

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