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Flash Flood Warning

Status

New Event Active alert

Start Time

Sun 09/20/2026 01:16 AM EDT

End Time

Sun 09/20/2026 07:15 AM EDT

Significance

Warning

Impacts

High impact

Flash floodradar indicated

Locations Affected

Iowa City, IA ∙ Sigourney, IA ∙ Parnell, IA ∙ Nichols, IA ∙ Oxford, IA ∙ Moscow, IA ∙ Thornburg, IA ∙ Coralville, IA ∙ South English, IA ∙ Columbus City, IA

Full Alert Message

BULLETIN - EAS ACTIVATION REQUESTED Flash Flood Warning National Weather Service Quad Cities IA IL 1216 AM CDT Sun Sep 20 2026 The National Weather Service in Quad Cities has issued a * Flash Flood Warning for... Southern Cedar County in east central Iowa... Iowa County in east central Iowa... Johnson County in east central Iowa... Muscatine County in east central Iowa... Keokuk County in southeastern Iowa... Northwestern Louisa County in southeastern Iowa... Washington County in southeastern Iowa... * Until 615 AM CDT. * At 1216 AM CDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 1 and 2 inches of rain have fallen. Additional rainfall amounts of 2 to 3 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... Iowa City, Muscatine, Washington, Tipton, Marengo, West Branch, Sigourney, Columbus Junction, Durant, Coralville, North Liberty, West Liberty, Williamsburg, Wilton, Kalona, Tiffin, Wellman, Lone Tree and University Heights. This includes the following highways... Interstate 80 in Iowa between mile markers 205 and 277. Interstate 380 between mile markers 1 and 7. PRECAUTIONARY/PREPAREDNESS ACTIONS... 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. Be aware of your surroundings and do not drive on flooded roads. && LAT...LON 4180 9230 4179 9090 4171 9090 4160 9091 4142 9105 4127 9110 4121 9241 4151 9241 4151 9230 FLASH FLOOD...RADAR INDICATED