Frost Advisory: Lowlands of Pierce and Southern King Counties; Olympia and Southern Puget Sound; Lowlands of Lewis and Southern Thurston Counties; Willapa and Black Hills; Southern Hood Canal; Northern Hood Canal; Northern Washington Coast

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Frost Advisory — Lowlands of Pierce and Southern King Counties; Olympia and Southern Puget Sound; Lowlands of Lewis and Southern Thurston Counties; Willapa and Black Hills; Southern Hood Canal; Northern Hood Canal; Northern Washington Coast Severity: Minor. Certainty: Likely. * WHAT...Temperatures as low as 30 to 36 degrees Monday morning could result in frost formation. * WHERE...Northern Hood Canal, Northern Washington Coast, Southern Hood Canal, Lowlands of Lewis and Southern Thurston Counties, Lowlands of Pierce and Southern King Counties, Olympia and Southern Puget Sound, and Willapa and Black Hills. * WHEN...From midnight Sunday Night to 8 AM PDT Monday. * IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered.