Frost Advisory

Locations Affected

Lancaster, PA ∙ Adamstown, PA ∙ Lebanon, PA ∙ Refton, PA ∙ Fort Indiantown Gap, PA ∙ Penryn, PA ∙ Eagle Peak, PA ∙ Narvon, PA ∙ Columbia, PA ∙ Stevens, PA

Full Alert Message

URGENT - WEATHER MESSAGE National Weather Service State College PA 135 PM EDT Sun Oct 18 2026 ...FROST ADVISORY IN EFFECT FROM 1 AM TO 9 AM EDT MONDAY... * WHAT...Temperatures as low as 34 will result in frost formation. * WHERE...Lancaster and Lebanon Counties. * WHEN...From 1 AM to 9 AM EDT Monday. * 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 and vegetation from the cold.

---