Delaware, Maryland Severe Flash Flood Warning | Effective 07/21/2026 19:42

Headline: 
Flash Flood Warning issued July 21 at 10:42PM EDT until July 22 at 2:45AM EDT by NWS Mount Holly NJ
Event: 
Flash Flood Warning
Urgency: 
Immediate
Effective: 
July 21, 2026 - 7:42pm
Expires: 
July 21, 2026 - 11:45pm
Description: 
FFWPHI The National Weather Service in Mount Holly has issued a * Flash Flood Warning for... Southern Kent County in central Delaware... Northern Sussex County in southern Delaware... Caroline County in eastern Maryland... Talbot County in eastern Maryland... South Central Queen Anne's County in northeastern Maryland... * Until 245 AM EDT. * At 1042 PM EDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 1.5 and 2.5 inches of rain have fallen. The expected rainfall rate is 1.5 to 2.5 inches in 1 hour. Additional rainfall amounts of 1 to 2 inches are possible in the warned area. Flash flooding is ongoing or expected to begin shortly. HAZARD...Flash flooding caused by thunderstorms. SOURCE...Radar. IMPACT...Flooding of small creeks and streams, urban areas, highways, streets, and underpasses as well as other drainage and low lying areas. * Some locations that may experience flash flooding include... Easton, Talbot, Milford, Denton, Harrington, Lewes, Milton, Bridgeville, Ridgely, St. Michaels, Preston and Oxford.
Instruction: 
Turn around...don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Be especially cautious at night when it is harder to recognize the dangers of flooding.
Area Description: 
Kent, DE; Sussex, DE; Caroline, MD; Queen Anne's, MD; Talbot, MD
Forcast Office: 
NWS Mount Holly NJ