Heat Advisory

Locations Affected

Clearlake Riviera, CA ∙ Ukiah, CA ∙ North Lakeport, CA ∙ Kelseyville, CA ∙ Middletown, CA ∙ Lake Mendocino, CA ∙ Upper Lake-Clearlake Oaks Division, CA ∙ Cobb, CA ∙ Upper Lake, CA ∙ Old Hopland, CA

Full Alert Message

URGENT - WEATHER MESSAGE National Weather Service Eureka CA 948 PM PDT Fri Jun 12 2026 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 10 PM PDT SATURDAY... * WHAT...High temperatures of 96 to 102 expected for most valley locations. Moderate to Major HeatRisk expected. * WHERE...Lake County, and Southeastern Interior Mendocino. * WHEN...Until 10 PM PDT Saturday. * IMPACTS...Hot temperatures may cause heat illnesses especially for those without cooling or hydration. 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.

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