Iowa Severe Flash Flood Warning | Effective 06/17/2026 05:24

Headline: 
Flash Flood Warning issued June 17 at 7:24AM CDT until June 17 at 1:30PM CDT by NWS Quad Cities IA IL
Event: 
Flash Flood Warning
Urgency: 
Immediate
Effective: 
June 17, 2026 - 5:24am
Expires: 
June 17, 2026 - 11:30am
Description: 
FFWDVN The National Weather Service in Quad Cities has issued a * Flash Flood Warning for... Johnson County in east central Iowa... Southern Linn County in east central Iowa... * Until 130 PM CDT Wednesday. * At 724 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 0.5 to 1.5 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... Cedar Rapids, Iowa City, West Branch, Marion, Coralville, North Liberty, Hiawatha, Mount Vernon, Lisbon, Fairfax, Solon, Tiffin, Ely, Walford, Springville, University Heights, Swisher, Oxford, Shueyville and Bertram. This includes the following highways... Interstate 80 in Iowa between mile markers 230 and 253. Interstate 380 between mile markers 1 and 25.
Instruction: 
Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles.
Area Description: 
Johnson, IA; Linn, IA
Forcast Office: 
NWS Quad Cities IA IL
Sender: 
w-nws.webmaster@noaa.gov