Headline:
Flash Flood Warning issued September 20 at 5:45AM CDT until September 20 at 11:15AM CDT by NWS Quad Cities IA IL
Event:
Flash Flood Warning
Urgency:
Immediate
Effective:
September 20, 2026 - 3:45am
Expires:
September 20, 2026 - 9:15am
Description:
At 545 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.
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.
In hilly terrain there are hundreds of low water crossings which are
potentially dangerous in heavy rain. Do not attempt to cross flooded
roads. Find an alternate route.
Please report observed flooding to local emergency services or law
enforcement and request they pass this information to the National
Weather Service when you can do so safely.
Area Description:
Delaware, IA; Dubuque, IA; Jackson, IA; Jones, IA; Jo Daviess, IL
Forcast Office:
NWS Quad Cities IA IL
Sender:
w-nws.webmaster@noaa.gov