Severe · Flash Flood WarningThis alert has expired. It is kept for reference.
Flash Flood Warning issued September 20 at 4:43AM CDT until September 20
Affecting Cedar, IA; Iowa, IA; Johnson, IA; Keokuk, IA; Louisa, IA; Muscatine, IA; Washington, IA
In effect until: Sep 20, 2026, 11:15 AM
Cedar, IA; Iowa, IA; Johnson, IA; Keokuk, IA; Louisa, IA; Muscatine, IA; Washington, IA
Likely impact across 7 counties in IA; effects through 11:15 AM.
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.
Read the original bulletin (official text)
At 443 AM CDT, Trained weather spotters reported flash flooding in Kalona. Between 2 and 4 inches of rain have fallen across portions of the warned area. Flash flooding is ongoing. Rain has tapered off to mainly light to at times moderate rain, with the heaviest rain having already occurred. Be alert for rapid rises and flooding on area streams, creeks and along the English River. Washington County deputies reported around a foot of water was covering the intersection of 133rd Street and Nutmeg Street in Kalona due to the English River being out its banks. HAZARD...Flash flooding caused by thunderstorms. SOURCE...Trained spotters reported. 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.
Free. In your language.
Get the next alert for your area before it matters.
Alert data: U.S. National Weather Service / NOAA · Translation: WeatherTranslate™