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Home Return to list Frost Advisory 0005 Issued by the Eureka Forecast Office
Action: New Issued At: 2026-03-25 14:18:56 071 WWUS76 KEKA 251918 NPWEKA URGENT - WEATHER MESSAGE National Weather Service Eureka CA 1218 PM PDT Wed Mar 25 2026 CAZ104-260530- /O.NEW.KEKA.CW.Y.0008.260326T0600Z-260326T1600Z/ Southwestern Humboldt- 1218 PM PDT Wed Mar 25 2026 ...COLD WEATHER ADVISORY IN EFFECT FROM 11 PM THIS EVENING TO 9 AM PDT THURSDAY... * WHAT...Very cold wind chills as low as 28 expected. * WHERE...Southwestern Humboldt. * WHEN...From 11 PM this evening to 9 AM PDT Thursday. * IMPACTS...Frostbite and hypothermia will occur if unprotected skin is exposed to these temperatures. Wind chill values can lead to hypothermia with prolonged exposure. $$ CAZ109>115-260530- /O.NEW.KEKA.FR.Y.0005.260326T0900Z-260326T1600Z/ Mendocino Coast-Northwestern Mendocino Interior-Northeastern Mendocino Interior-Southwestern Mendocino Interior-Southeastern Mendocino Interior-Northern Lake-Southern Lake- Including Philo, Boonville, Legget, Laytonville, Covelo, Gravelly Valley Airport, Potter Valley, and Willits 1218 PM PDT Wed Mar 25 2026 ...FROST ADVISORY IN EFFECT FROM 2 AM TO 9 AM PDT THURSDAY... * WHAT...Temperatures as low as 33 will result in frost formation. * WHERE...Mendocino County, and Lake County. * WHEN...From 2 AM to 9 AM PDT Thursday. * IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$ CAZ101-103-260530- /O.NEW.KEKA.FR.Y.0005.260326T1100Z-260326T1500Z/ Coastal Del Norte-Northern Humboldt Coast- Including Fieldbrook, McKinleyville, and Ft Dick 1218 PM PDT Wed Mar 25 2026 ...FROST ADVISORY IN EFFECT FROM 4 AM TO 8 AM PDT THURSDAY... * WHAT...Temperatures as low as 36 will result in frost formation. * WHERE...Del Norte and Northern Humboldt Coast. * WHEN...From 4 AM to 8 AM PDT Thursday. * 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. && $$ For hazard areas see https://www.wrh.noaa.gov/map/?wfo=eka DB Action: New Issued At: 2026-03-25 14:18:56 071 WWUS76 KEKA 251918 NPWEKA URGENT - WEATHER MESSAGE National Weather Service Eureka CA 1218 PM PDT Wed Mar 25 2026 CAZ104-260530- /O.NEW.KEKA.CW.Y.0008.260326T0600Z-260326T1600Z/ Southwestern Humboldt- 1218 PM PDT Wed Mar 25 2026 ...COLD WEATHER ADVISORY IN EFFECT FROM 11 PM THIS EVENING TO 9 AM PDT THURSDAY... * WHAT...Very cold wind chills as low as 28 expected. * WHERE...Southwestern Humboldt. * WHEN...From 11 PM this evening to 9 AM PDT Thursday. * IMPACTS...Frostbite and hypothermia will occur if unprotected skin is exposed to these temperatures. Wind chill values can lead to hypothermia with prolonged exposure. $$ CAZ109>115-260530- /O.NEW.KEKA.FR.Y.0005.260326T0900Z-260326T1600Z/ Mendocino Coast-Northwestern Mendocino Interior-Northeastern Mendocino Interior-Southwestern Mendocino Interior-Southeastern Mendocino Interior-Northern Lake-Southern Lake- Including Philo, Boonville, Legget, Laytonville, Covelo, Gravelly Valley Airport, Potter Valley, and Willits 1218 PM PDT Wed Mar 25 2026 ...FROST ADVISORY IN EFFECT FROM 2 AM TO 9 AM PDT THURSDAY... * WHAT...Temperatures as low as 33 will result in frost formation. * WHERE...Mendocino County, and Lake County. * WHEN...From 2 AM to 9 AM PDT Thursday. * 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. && $$ CAZ101-103-260530- /O.NEW.KEKA.FR.Y.0005.260326T1100Z-260326T1500Z/ Coastal Del Norte-Northern Humboldt Coast- Including Fieldbrook, McKinleyville, and Ft Dick 1218 PM PDT Wed Mar 25 2026 ...FROST ADVISORY IN EFFECT FROM 4 AM TO 8 AM PDT THURSDAY... * WHAT...Temperatures as low as 36 will result in frost formation. * WHERE...Del Norte and Northern Humboldt Coast. * WHEN...From 4 AM to 8 AM PDT Thursday. * IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$ For hazard areas see https://www.wrh.noaa.gov/map/?wfo=eka DB Action: Continued Issued At: 2026-03-25 23:19:14 174 WWUS76 KEKA 260418 NPWEKA URGENT - WEATHER MESSAGE National Weather Service Eureka CA 918 PM PDT Wed Mar 25 2026 CAZ104-261230- /O.CON.KEKA.CW.Y.0008.260326T0600Z-260326T1600Z/ Southwestern Humboldt- 918 PM PDT Wed Mar 25 2026 ...COLD WEATHER ADVISORY REMAINS IN EFFECT UNTIL 9 AM PDT THURSDAY... * WHAT...Very cold wind chills as low as 25 expected. * WHERE...Southwestern Humboldt. * WHEN...Until 9 AM PDT Thursday. * IMPACTS...Frostbite and hypothermia will occur if unprotected skin is exposed to these temperatures. Wind chill values can lead to hypothermia with prolonged exposure. $$ CAZ109>115-261230- /O.CON.KEKA.FR.Y.0005.260326T0900Z-260326T1600Z/ Mendocino Coast-Northwestern Mendocino Interior-Northeastern Mendocino Interior-Southwestern Mendocino Interior-Southeastern Mendocino Interior-Northern Lake-Southern Lake- Including Covelo, Gravelly Valley Airport, Philo, Laytonville, Potter Valley, Legget, Willits, and Boonville 918 PM PDT Wed Mar 25 2026 ...FROST ADVISORY REMAINS IN EFFECT FROM 2 AM TO 9 AM PDT THURSDAY... * WHAT...Temperatures as low as 33 will result in frost formation. * WHERE...Mendocino County, and Lake County. * WHEN...From 2 AM to 9 AM PDT Thursday. * IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$ CAZ101-103-261230- /O.CON.KEKA.FR.Y.0005.260326T1100Z-260326T1500Z/ Coastal Del Norte-Northern Humboldt Coast- Including McKinleyville, Fieldbrook, and Ft Dick 918 PM PDT Wed Mar 25 2026 ...FROST ADVISORY REMAINS IN EFFECT FROM 4 AM TO 8 AM PDT THURSDAY... * WHAT...Temperatures as low as 36 will result in frost formation. * WHERE...Del Norte and Northern Humboldt Coast. * WHEN...From 4 AM to 8 AM PDT Thursday. * 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. && $$ For hazard areas see https://www.wrh.noaa.gov/map/?wfo=eka DS Action: Continued Issued At: 2026-03-25 23:19:14 174 WWUS76 KEKA 260418 NPWEKA URGENT - WEATHER MESSAGE National Weather Service Eureka CA 918 PM PDT Wed Mar 25 2026 CAZ104-261230- /O.CON.KEKA.CW.Y.0008.260326T0600Z-260326T1600Z/ Southwestern Humboldt- 918 PM PDT Wed Mar 25 2026 ...COLD WEATHER ADVISORY REMAINS IN EFFECT UNTIL 9 AM PDT THURSDAY... * WHAT...Very cold wind chills as low as 25 expected. * WHERE...Southwestern Humboldt. * WHEN...Until 9 AM PDT Thursday. * IMPACTS...Frostbite and hypothermia will occur if unprotected skin is exposed to these temperatures. Wind chill values can lead to hypothermia with prolonged exposure. $$ CAZ109>115-261230- /O.CON.KEKA.FR.Y.0005.260326T0900Z-260326T1600Z/ Mendocino Coast-Northwestern Mendocino Interior-Northeastern Mendocino Interior-Southwestern Mendocino Interior-Southeastern Mendocino Interior-Northern Lake-Southern Lake- Including Covelo, Gravelly Valley Airport, Philo, Laytonville, Potter Valley, Legget, Willits, and Boonville 918 PM PDT Wed Mar 25 2026 ...FROST ADVISORY REMAINS IN EFFECT FROM 2 AM TO 9 AM PDT THURSDAY... * WHAT...Temperatures as low as 33 will result in frost formation. * WHERE...Mendocino County, and Lake County. * WHEN...From 2 AM to 9 AM PDT Thursday. * 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. && $$ CAZ101-103-261230- /O.CON.KEKA.FR.Y.0005.260326T1100Z-260326T1500Z/ Coastal Del Norte-Northern Humboldt Coast- Including McKinleyville, Fieldbrook, and Ft Dick 918 PM PDT Wed Mar 25 2026 ...FROST ADVISORY REMAINS IN EFFECT FROM 4 AM TO 8 AM PDT THURSDAY... * WHAT...Temperatures as low as 36 will result in frost formation. * WHERE...Del Norte and Northern Humboldt Coast. * WHEN...From 4 AM to 8 AM PDT Thursday. * IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$ For hazard areas see https://www.wrh.noaa.gov/map/?wfo=eka DS Action: Continued Issued At: 2026-03-26 07:29:11 537 WWUS76 KEKA 261229 NPWEKA URGENT - WEATHER MESSAGE National Weather Service Eureka CA 529 AM PDT Thu Mar 26 2026 CAZ104-261600- /O.CON.KEKA.CW.Y.0008.000000T0000Z-260326T1600Z/ Southwestern Humboldt- 529 AM PDT Thu Mar 26 2026 ...COLD WEATHER ADVISORY REMAINS IN EFFECT UNTIL 9 AM PDT THIS MORNING... * WHAT...Cold wind chills as low as 28 expected. * WHERE...Southwestern Humboldt. * WHEN...Until 9 AM PDT this morning. * IMPACTS...Wind chill values can lead to hypothermia with prolonged exposure. $$ CAZ101-103-261500- /O.CON.KEKA.FR.Y.0005.000000T0000Z-260326T1500Z/ Coastal Del Norte-Northern Humboldt Coast- Including Fieldbrook, Ft Dick, and McKinleyville 529 AM PDT Thu Mar 26 2026 ...FROST ADVISORY REMAINS IN EFFECT UNTIL 8 AM PDT THIS MORNING... * WHAT...Temperatures as low as 36 will result in frost formation. * WHERE...Del Norte and Northern Humboldt Coast. * WHEN...Until 8 AM PDT this morning. * IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$ CAZ109>115-261600- /O.CON.KEKA.FR.Y.0005.000000T0000Z-260326T1600Z/ Mendocino Coast-Northwestern Mendocino Interior-Northeastern Mendocino Interior-Southwestern Mendocino Interior-Southeastern Mendocino Interior-Northern Lake-Southern Lake- Including Covelo, Willits, Gravelly Valley Airport, Potter Valley, Laytonville, Legget, Boonville, and Philo 529 AM PDT Thu Mar 26 2026 ...FROST ADVISORY REMAINS IN EFFECT UNTIL 9 AM PDT THIS MORNING... * WHAT...Temperatures as low as 33 will result in frost formation. * WHERE...Mendocino County, and Lake County. * WHEN...Until 9 AM PDT this morning. * 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. && $$ For hazard areas see https://www.wrh.noaa.gov/map/?wfo=eka MKK Action: Continued Issued At: 2026-03-26 07:29:11 537 WWUS76 KEKA 261229 NPWEKA URGENT - WEATHER MESSAGE National Weather Service Eureka CA 529 AM PDT Thu Mar 26 2026 CAZ104-261600- /O.CON.KEKA.CW.Y.0008.000000T0000Z-260326T1600Z/ Southwestern Humboldt- 529 AM PDT Thu Mar 26 2026 ...COLD WEATHER ADVISORY REMAINS IN EFFECT UNTIL 9 AM PDT THIS MORNING... * WHAT...Cold wind chills as low as 28 expected. * WHERE...Southwestern Humboldt. * WHEN...Until 9 AM PDT this morning. * IMPACTS...Wind chill values can lead to hypothermia with prolonged exposure. $$ CAZ101-103-261500- /O.CON.KEKA.FR.Y.0005.000000T0000Z-260326T1500Z/ Coastal Del Norte-Northern Humboldt Coast- Including Fieldbrook, Ft Dick, and McKinleyville 529 AM PDT Thu Mar 26 2026 ...FROST ADVISORY REMAINS IN EFFECT UNTIL 8 AM PDT THIS MORNING... * WHAT...Temperatures as low as 36 will result in frost formation. * WHERE...Del Norte and Northern Humboldt Coast. * WHEN...Until 8 AM PDT this morning. * 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. && $$ CAZ109>115-261600- /O.CON.KEKA.FR.Y.0005.000000T0000Z-260326T1600Z/ Mendocino Coast-Northwestern Mendocino Interior-Northeastern Mendocino Interior-Southwestern Mendocino Interior-Southeastern Mendocino Interior-Northern Lake-Southern Lake- Including Covelo, Willits, Gravelly Valley Airport, Potter Valley, Laytonville, Legget, Boonville, and Philo 529 AM PDT Thu Mar 26 2026 ...FROST ADVISORY REMAINS IN EFFECT UNTIL 9 AM PDT THIS MORNING... * WHAT...Temperatures as low as 33 will result in frost formation. * WHERE...Mendocino County, and Lake County. * WHEN...Until 9 AM PDT this morning. * IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$ For hazard areas see https://www.wrh.noaa.gov/map/?wfo=eka MKK Action: Expired Issued At: 2026-03-26 10:28:47 717 WWUS76 KEKA 261528 NPWEKA URGENT - WEATHER MESSAGE National Weather Service Eureka CA 828 AM PDT Thu Mar 26 2026 CAZ104-261630- /O.CAN.KEKA.CW.Y.0008.000000T0000Z-260326T1600Z/ Southwestern Humboldt- 828 AM PDT Thu Mar 26 2026 ...COLD WEATHER ADVISORY IS CANCELLED... $$ CAZ109>115-261630- /O.CAN.KEKA.FR.Y.0005.000000T0000Z-260326T1600Z/ Mendocino Coast-Northwestern Mendocino Interior-Northeastern Mendocino Interior-Southwestern Mendocino Interior-Southeastern Mendocino Interior-Northern Lake-Southern Lake- Including Laytonville, Boonville, Covelo, Potter Valley, Willits, Legget, Philo, and Gravelly Valley Airport 828 AM PDT Thu Mar 26 2026 ...FROST ADVISORY IS CANCELLED... $$ CAZ101-103-261630- /O.EXP.KEKA.FR.Y.0005.000000T0000Z-260326T1500Z/ Coastal Del Norte-Northern Humboldt Coast- Including Fieldbrook, McKinleyville, and Ft Dick 828 AM PDT Thu Mar 26 2026 ...FROST ADVISORY HAS EXPIRED... $$ For hazard areas see https://www.wrh.noaa.gov/map/?wfo=eka DB Action: Cancelled Issued At: 2026-03-26 10:28:47 717 WWUS76 KEKA 261528 NPWEKA URGENT - WEATHER MESSAGE National Weather Service Eureka CA 828 AM PDT Thu Mar 26 2026 CAZ104-261630- /O.CAN.KEKA.CW.Y.0008.000000T0000Z-260326T1600Z/ Southwestern Humboldt- 828 AM PDT Thu Mar 26 2026 ...COLD WEATHER ADVISORY IS CANCELLED... $$ CAZ109>115-261630- /O.CAN.KEKA.FR.Y.0005.000000T0000Z-260326T1600Z/ Mendocino Coast-Northwestern Mendocino Interior-Northeastern Mendocino Interior-Southwestern Mendocino Interior-Southeastern Mendocino Interior-Northern Lake-Southern Lake- Including Laytonville, Boonville, Covelo, Potter Valley, Willits, Legget, Philo, and Gravelly Valley Airport 828 AM PDT Thu Mar 26 2026 ...FROST ADVISORY IS CANCELLED... $$ CAZ101-103-261630- /O.EXP.KEKA.FR.Y.0005.000000T0000Z-260326T1500Z/ Coastal Del Norte-Northern Humboldt Coast- Including Fieldbrook, McKinleyville, and Ft Dick 828 AM PDT Thu Mar 26 2026 ...FROST ADVISORY HAS EXPIRED... $$ For hazard areas see https://www.wrh.noaa.gov/map/?wfo=eka DB | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||