Severe · Flash Flood WarningActive alert

Flash Flood Warning issued September 19 at 5:54AM CDT until September 19

Affecting Dubuque, IA; Jackson, IA; Jo Daviess, IL; Stephenson, IL

In effect until: Sep 19, 2026, 3:15 PM

Dubuque, IA; Jackson, IA; Jo Daviess, IL; Stephenson, IL

Likely impact across 4 counties in IA and IL; effects through 3:15 PM.

Get to higher ground now. Never drive through flooded roads.

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Read the original bulletin (official text)

At 554 AM CDT, Doppler radar indicated thunderstorms producing heavy
rain across the warned area. Between 1 and 3 inches of rain have
fallen with the heaviest amounts occurring in central Jo Daviess
county between Schapville and Woodbine. 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 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, Freeport, Galena, Asbury, Dyersville, Lena, Bellevue,
Cascade, Stockton, Epworth, East Dubuque, Farley, Warren, Peosta,
Hanover, Pearl City, Elizabeth, Cedarville, Davis and Woodbine.

This includes the following State Parks...
Apple River Canyon State Park and Lake Le-Aqua-Na State Recreation
Area.

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Alert data: U.S. National Weather Service / NOAA · Translation: WeatherTranslate™

Flash Flood Warning issued September 19 at 5:54AM CDT until September 19

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