One product issued by NWS for: Wilmington DE
Freeze Warning
URGENT - WEATHER MESSAGE National Weather Service Mount Holly NJ 230 PM EDT Mon Apr 20 2026 DEZ001-PAZ070-071-210900- /O.CON.KPHI.FZ.W.0004.260421T0400Z-260421T1300Z/ New Castle-Delaware-Philadelphia- Including the cities of Media, Wilmington, and Philadelphia 230 PM EDT Mon Apr 20 2026 ...FREEZE WARNING REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 9 AM EDT TUESDAY... * WHAT...Sub-freezing temperatures as low as 27 degrees expected. * WHERE...In Delaware, New Castle County. In Pennsylvania, Delaware and Philadelphia Counties. * WHEN...From midnight tonight to 9 AM EDT Tuesday. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$