Severe · Flash Flood WarningActive alert
Flash Flood Warning issued October 9 at 11:48PM EDT until October 10
Affecting Duval, FL; Nassau, FL
In effect until: Oct 10, 2026, 6:45 AM
Duval, FL; Nassau, FL
Likely impact across 2 counties in FL; effects through 6:45 AM.
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.
Read the original bulletin (official text)
FFWJAX The National Weather Service in Jacksonville has issued a * Flash Flood Warning for... Northeastern Duval County in northeastern Florida... East Central Nassau County in northeastern Florida... * Until 245 AM EDT. * At 1148 PM EDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 1.5 and 3.5 inches of rain have fallen. Additional rainfall amounts up 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 indicated. IMPACT...Flash flooding of small creeks and streams, urban areas, highways, streets and underpasses as well as other poor drainage and low-lying areas. * Some locations that will experience flash flooding include... Jacksonville, Talbot Island, Fort Caroline and Amelia City.
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Alert data: U.S. National Weather Service / NOAA · Translation: WeatherTranslate™