Frost Advisory

Locations Affected

Fort Bragg, CA ∙ Helena, CA ∙ Humboldt Bay, CA ∙ Westhaven-Moonstone, CA ∙ Rohnerville, CA ∙ Navarro Head, CA ∙ Upper Lake, CA ∙ Trinity Village, CA ∙ Indianola, CA ∙ Zenia, CA

Full Alert Message

URGENT - WEATHER MESSAGE National Weather Service Eureka CA 741 PM PDT Mon Oct 12 2026 ...FROST ADVISORY REMAINS IN EFFECT FROM 1 AM TO 8 AM PDT TUESDAY... * WHAT...Temperatures as low as 33 can result in frost formation. * WHERE...Humboldt Coast, Southeastern Interior Humboldt, Coastal Mendocino, and Western Lake. * WHEN...From 1 AM to 8 AM PDT Tuesday. * 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.

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