WWUS76 KEKA 180846
NPWEKA

URGENT - WEATHER MESSAGE
National Weather Service Eureka CA
146 AM PDT Mon May 18 2026

CAZ104-106-108-116-117-181500-
/O.NEW.KEKA.FR.Y.0018.260518T1000Z-260518T1500Z/
Southwestern Humboldt-Southeastern Interior Humboldt-Southern
Trinity-Northwestern and Central Trinity-Northeastern Trinity-
Including Dinsmore, Shelter Cove, Garberville, Kneeland, Peanut,
Hyampom, Weaverville, Hayfork, Shively, Zenia, Junction City,
Alderpoint, Del Loma, Big Bar, Helena, Trinity Center, Bridgeville,
Ettersburg, Benbow, Douglas City, Bull Creek, Honeydew, Pepperwood,
Ruth, Forest Glen, Carrville, Briceland, Petrolia, and Whitethorn
146 AM PDT Mon May 18 2026

...FROST ADVISORY IN EFFECT UNTIL 8 AM PDT THIS MORNING...

* WHAT...Temperatures as low as 33 will result in frost formation.

* WHERE...Trinity County, and Southern Humboldt.

* WHEN...Until 8 AM PDT this morning.

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

* ADDITIONAL DETAILS...Protected valleys may see local areas of frost
  for several hours this morning.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take steps now to protect tender plants from the cold.

&&

$$

For hazard areas see https://www.weather.gov/wrh/hazards/?wfo=eka

MKK