WWUS76 KEKA 170346 NPWEKA URGENT - WEATHER MESSAGE National Weather Service Eureka CA 846 PM PDT Thu Apr 16 2026 CAZ102-105-106-108-110-111-114-116>118-171200- /O.CON.KEKA.FZ.W.0003.260417T0900Z-260417T1600Z/ Interior Del Norte-Northeastern Interior Humboldt-Southeastern Interior Humboldt-Southern Trinity-Northwestern Interior Mendocino-Northeastern Interior Mendocino-Northern Lake- Northwestern and Central Trinity-Northeastern Trinity-Western Lake- Including Peanut, Potter Valley, Willow Creek, Willits, Dinsmore, Gravelly Valley Airport, Covelo, Hayfork, Hyampom, Hoopa, and Forest Glen 846 PM PDT Thu Apr 16 2026 ...FREEZE WARNING REMAINS IN EFFECT FROM 2 AM TO 9 AM PDT FRIDAY... * WHAT...Sub-freezing temperatures as low as 26 expected. * WHERE...Humboldt Interior, Northern Mendocino Interior, Interior Del Norte, Southern Trinity, Northern Lake, Northwestern and Central Trinity, Northeastern Trinity, and Western Lake. * WHEN...From 2 AM to 9 AM PDT Friday. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$ CAZ101-103-104-109-112-113-171200- /O.CON.KEKA.FR.Y.0014.260417T0900Z-260417T1600Z/ Coastal Del Norte-Northern Coastal Humboldt-Southwestern Humboldt- Coastal Mendocino-Southwestern Interior Mendocino-Southeastern Interior Mendocino- Including Philo, Fernbridge, Fortuna, Comptche, Honeydew, Whitethorn, Talmage, Hopland, Ukiah, Fieldbrook, Arcata, Boonville, McKinleyville, Ettersburg, Trinidad, Eureka, Briceland, Ft Dick, Calpella, and Redwood Valley 846 PM PDT Thu Apr 16 2026 ...FROST ADVISORY REMAINS IN EFFECT FROM 2 AM TO 9 AM PDT FRIDAY... * WHAT...Temperatures as low as 33 could result in frost formation. * WHERE...Del Norte, Humboldt, and Mendocino Coast, and Southern Mendocino Interior. * WHEN...From 2 AM to 9 AM PDT Friday. * IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$ For hazard areas see https://www.wrh.noaa.gov/map/?wfo=eka DS