Interactive NWS Alert

Radar valid at 1115 pm CDT, Jun 11th 2026

ILC067-109-120415-
/O.NEW.KDVN.FF.W.0021.260611T2202Z-260612T0415Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Quad Cities IA IL
502 PM CDT Thu Jun 11 2026

The National Weather Service in Quad Cities has issued a

* Flash Flood Warning for...
Hancock County in west central Illinois...
McDonough County in west central Illinois...

* Until 1115 PM CDT Thursday.

* At 502 PM CDT, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. Between 1 and 3 inches of rain
have fallen. 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...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...
Macomb, Fort Madison, Keokuk, Carthage, Nauvoo, Bushnell,
Hamilton, Warsaw, Colchester, La Harpe, Dallas City,
Blandinsville, Augusta, Bowen, Industry, Good Hope, Prairie City,
Bardolph, West Point and Ferris.

This includes the following State Parks...
Argyle Lake State Park and Nauvoo State Park.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.

&&

LAT...LON 4019 9091 4020 9151 4024 9151 4034 9146
4040 9137 4044 9138 4050 9136 4055 9141
4061 9134 4064 9125 4063 9045 4028 9045
4028 9091

FLASH FLOOD...RADAR INDICATED

iNWS is an experimental service intended for NWS core partners, including emergency managers, community leaders and other government agencies only.