596 WWUS76 KEKA 060752 NPWEKA URGENT - WEATHER MESSAGE National Weather Service Eureka CA 1252 AM PDT Thu Aug 6 2026 CAZ110-111-113-114-118>120-061700- /O.NEW.KEKA.HT.Y.0004.260807T1800Z-260808T0600Z/ Northwestern Interior Mendocino-Northeastern Interior Mendocino- Southeastern Interior Mendocino-Northern Lake-Western Lake- Southwestern Lake-Eastern Lake- Including Upper Lake, Finley, Calpella, Lakeport, Ukiah, Clearlake, Laytonville, Gravelly Valley Airport, Middletown, Hopland, Potter Valley, Willits, Talmage, Hidden Valley Lake, Covelo, Clearlake Park, Legget, Knobcone Camp, Redwood Valley, and Cobb 1252 AM PDT Thu Aug 6 2026 ...HEAT ADVISORY IN EFFECT FROM 11 AM TO 11 PM PDT FRIDAY... * WHAT...Temperatures of 100 to 105 will produce moderate to major heat risk. * WHERE...Northern Mendocino Interior, Lake County, and Southeastern Interior Mendocino. * WHEN...From 11 AM to 11 PM PDT Friday. * IMPACTS...Hot temperatures may cause heat illnesses. * ADDITIONAL DETAILS...Hot temperatures are expected to continue into the weekend. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. && $$ CAZ108-116-117-061700- /O.EXT.KEKA.HT.Y.0003.000000T0000Z-260808T0600Z/ Southern Trinity-Northwestern and Central Trinity-Northeastern Trinity- Including Big Bar, Carrville, Hayfork, Peanut, Forest Glen, Junction City, Zenia, Douglas City, Weaverville, Trinity Center, Ruth, Helena, Hyampom, and Del Loma 1252 AM PDT Thu Aug 6 2026 ...HEAT ADVISORY NOW IN EFFECT UNTIL 11 PM PDT FRIDAY... * WHAT...Temperatures of 100 to 110 will produce moderate to major heat risk. * WHERE...Trinity County. * WHEN...Until 11 PM PDT Friday. * IMPACTS...Hot temperatures may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. && $$ CAZ105-106-061700- /O.CON.KEKA.HT.Y.0003.000000T0000Z-260807T0600Z/ Northeastern Interior Humboldt-Southeastern Interior Humboldt- Including Kneeland, Benbow, Weitchpec, Shively, Alderpoint, Bull Creek, Willow Creek, Hoopa, Pepperwood, Garberville, Orleans, Bridgeville, and Dinsmore 1252 AM PDT Thu Aug 6 2026 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 11 PM PDT THIS EVENING... * WHAT...Temperatures of 100 to 105 will produce moderate to major heat risk. * WHERE...Humboldt Interior. * WHEN...Until 11 PM PDT this evening. * IMPACTS...Hot temperatures may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. && $$ For hazard areas see https://www.weather.gov/wrh/hazards/?wfo=eka MKK