WWUS76 KEKA 161008 NPWEKA URGENT - WEATHER MESSAGE National Weather Service Eureka CA 308 AM PDT Thu Apr 16 2026 CAZ102-105>108-110-111-114-115-161600- /O.NEW.KEKA.FZ.W.0002.260417T0700Z-260417T1600Z/ /O.CON.KEKA.FZ.W.0001.000000T0000Z-260416T1600Z/ Del Norte Interior-Northern Humboldt Interior-Southern Humboldt Interior-Northern Trinity-Southern Trinity-Northwestern Mendocino Interior-Northeastern Mendocino Interior-Northern Lake-Southern Lake- Including Gravelly Valley Airport, Legget, Helena, Junction City, Willits, Potter Valley, Weitchpec, Pepperwood, Laytonville, Peanut, Benbow, Bridgeville, Forest Glen, Alderpoint, Carrville, Finley, Hyampom, Zenia, Douglas City, Willow Creek, Orleans, Big Bar, Del Loma, Shively, Weaverville, Hayfork, Gasquet, Dinsmore, Covelo, and Trinity Center 308 AM PDT Thu Apr 16 2026 ...FREEZE WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO 9 AM PDT FRIDAY... ...FREEZE WARNING REMAINS IN EFFECT UNTIL 9 AM PDT THIS MORNING... * WHAT...Sub-freezing temperatures as low as 26 expected. * WHERE...Trinity County, Lake County, Humboldt Interior, Northern Mendocino Interior, and Del Norte Interior. * WHEN...For the first Freeze Warning, until 9 AM PDT this morning. For the second Freeze Warning, from midnight tonight 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. To prevent water pipes from freezing; wrap or drain or allow them to drip slowly. && $$ CAZ113-161600- /O.CON.KEKA.FZ.W.0001.000000T0000Z-260416T1600Z/ Southeastern Mendocino Interior- 308 AM PDT Thu Apr 16 2026 ...FREEZE WARNING REMAINS IN EFFECT UNTIL 9 AM PDT THIS MORNING... * WHAT...Sub-freezing temperatures as low as 26 expected. * WHERE...Southeastern Mendocino Interior. * WHEN...Until 9 AM PDT this morning. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. To prevent water pipes from freezing; wrap or drain or allow them to drip slowly. && $$ CAZ101-103-104-109-161600- /O.NEW.KEKA.FR.Y.0013.260417T0700Z-260417T1600Z/ /O.CON.KEKA.FR.Y.0012.000000T0000Z-260416T1600Z/ Coastal Del Norte-Northern Humboldt Coast-Southwestern Humboldt- Mendocino Coast- Including Trinidad, Honeydew, Ettersburg, Klamath, McKinleyville, Fernbridge, Briceland, Smith River, Arcata, Fieldbrook, Whitethorn, Samoa, Ft Dick, and Eureka 308 AM PDT Thu Apr 16 2026 ...FROST ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO 9 AM PDT FRIDAY... ...FROST ADVISORY REMAINS IN EFFECT UNTIL 9 AM PDT THIS MORNING... * WHAT...Temperatures as low as 33 will result in frost formation. * WHERE...Del Norte, Humboldt, and Mendocino Coast. * WHEN...For the first Frost Advisory, until 9 AM PDT this morning. For the second Frost Advisory, from midnight tonight 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. && $$ CAZ112-161600- /O.NEW.KEKA.FR.Y.0013.260417T0700Z-260417T1600Z/ /O.CON.KEKA.FR.Y.0012.000000T0000Z-260416T1600Z/ Southwestern Mendocino Interior- Including Boonville, Yorkville, Comptche, and Philo 308 AM PDT Thu Apr 16 2026 ...FROST ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO 9 AM PDT FRIDAY... ...FROST ADVISORY REMAINS IN EFFECT UNTIL 9 AM PDT THIS MORNING... * WHAT...Temperatures as low as 33 will result in frost formation. * WHERE...Southwestern Mendocino Interior. * WHEN...For the first Frost Advisory, until 9 AM PDT this morning. For the second Frost Advisory, from midnight tonight to 9 AM PDT Friday. * IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$ For hazard areas see https://www.wrh.noaa.gov/map/?wfo=eka EYS