Severe · Flash Flood WarningActive alert
Flash Flood Warning issued September 20 at 5:12AM CDT until September 20
Affecting Delaware, IA; Dubuque, IA; Jackson, IA; Jones, IA; Jo Daviess, IL
In effect until: Sep 20, 2026, 4:15 PM
Delaware, IA; Dubuque, IA; Jackson, IA; Jones, IA; Jo Daviess, IL
Likely impact across 5 counties in IA and IL; effects through 4:15 PM.
Get to higher ground now. Never drive through flooded roads.
Read the original bulletin (official text)
FFWDVN The National Weather Service in Quad Cities has issued a * Flash Flood Warning for... Northwestern Jackson County in east central Iowa... Northern Jones County in east central Iowa... Eastern Delaware County in northeastern Iowa... Dubuque County in northeastern Iowa... Western Jo Daviess County in northwestern Illinois... * Until 1115 AM CDT Sunday. * At 512 AM CDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 1 and 2.5 inches of rain have fallen. Additional rainfall amounts of 0.5 to 1 inch 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... Dubuque, Asbury, Dyersville, Monticello, Bellevue, Cascade, Epworth, East Dubuque, Farley, Peosta, Earlville, Hopkinton, New Vienna, Colesburg, Worthington, Holy Cross, La Motte, Luxemburg and Rickardsville.
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Alert data: U.S. National Weather Service / NOAA · Translation: WeatherTranslate™