


Non-Precipitation Warnings / Watches / Advisories
Issued by NWS Eureka, CA
Issued by NWS Eureka, CA
792 WWUS76 KEKA 210245 NPWEKA URGENT - WEATHER MESSAGE National Weather Service Eureka CA 745 PM PDT Wed Aug 20 2025 CAZ107-108-111-114-115-211045- /O.CON.KEKA.HT.Y.0006.250821T1800Z-250824T0600Z/ Northern Trinity-Southern Trinity-Northeastern Mendocino Interior- Northern Lake-Southern Lake- Including Douglas City, Finley, Hyampom, Carrville, Middletown, Forest Glen, Clearlake Park, Covelo, Helena, Weaverville, Peanut, Big Bar, Junction City, Hidden Valley Lake, Ruth, Lakeport, Trinity Center, Clearlake, Del Loma, Hayfork, and Gravelly Valley Airport 745 PM PDT Wed Aug 20 2025 ...HEAT ADVISORY REMAINS IN EFFECT FROM 11 AM THURSDAY TO 11 PM PDT SATURDAY... * WHAT...High temperatures from 100 to 110 with moderate to isolated Major HeatRisk. * WHERE...Trinity County, Lake County, and Northeastern Mendocino Interior. * WHEN...From 11 AM Thursday to 11 PM PDT Saturday. * IMPACTS...Hot temperatures and warm nights 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. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. Schedule frequent rest breaks in shaded or air conditioned environments during outdoor work. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. && $$ CAZ105-106-110-113-211045- /O.CON.KEKA.HT.Y.0006.250822T1800Z-250824T0600Z/ Northern Humboldt Interior-Southern Humboldt Interior- Northwestern Mendocino Interior-Southeastern Mendocino Interior- Including Willow Creek, Talmage, Hopland, Orleans, Bull Creek, Alderpoint, Calpella, Garberville, Benbow, Redwood Valley, Laytonville, Weitchpec, Ukiah, Potter Valley, and Hoopa 745 PM PDT Wed Aug 20 2025 ...HEAT ADVISORY REMAINS IN EFFECT FROM 11 AM FRIDAY TO 11 PM PDT SATURDAY... * WHAT...Temperatures from 100 to 109 with moderate to isolated Major HeatRisk. * WHERE...Humboldt Interior, Northwestern Mendocino Interior, and Southeastern Mendocino Interior. * WHEN...From 11 AM Friday to 11 PM PDT Saturday. * IMPACTS...Hot temperatures and warm night may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. Schedule frequent rest breaks in shaded or air conditioned environments during outdoor work. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. && $$ For hazard areas see https://www.wrh.noaa.gov/map/?wfo=eka JHW