Alert archive / Iowa / River Flood Warnings

River Flood Warnings in Iowa, 2026

92 river flood warnings in 2026. An alert counts here when it covered any part of the state, so the counties below add up to more than the state. The archive of river flood warnings reaches back to 2005.

River Flood Warnings by county

Each county as a circle sized by its count in 2026. Tap one for its archive.

River Flood Warnings
92
Busiest month
April22 river flood warnings
Busiest day
July 4, 20268 river flood warnings

Over time

By month

The alerts

Every alert, in the order issued. Times are local, Central Time. Each opens its own page with the text, the map, the radar and the sounding.

IssuedProductOfficeCountiesLasted
Apr 4, 10:23 AM CDTRiver Flood WarningARXClayton55 hr
Apr 4, 1:14 PM CDTRiver Flood WarningARXClayton23 hr
Apr 4, 8:48 PM CDTRiver Flood WarningDVNBenton, Iowa21 days
Apr 4, 9:36 PM CDTRiver Flood WarningDMXBlack Hawk70 hr
Apr 6, 9:50 AM CDTRiver Flood WarningDVNClinton, Scott19 days
Apr 6, 11:00 AM CDTRiver Flood WarningDMXPoweshiek, Tama21 hr
Apr 8, 10:06 AM CDTRiver Flood WarningDVNLouisa, Muscatine4 days
Apr 9, 9:09 PM CDTRiver Flood WarningDVNLouisa5 days
Apr 9, 9:09 PM CDTRiver Flood WarningDVNLouisa5 days
Apr 11, 11:19 AM CDTRiver Flood WarningDVNDes Moines, Lee20 days
Apr 11, 11:19 AM CDTRiver Flood WarningDVNDes Moines20 days
Apr 15, 9:02 AM CDTRiver Flood WarningDVNBenton, Iowa6 days
Apr 15, 9:46 AM CDTRiver Flood WarningDVNKeokuk48 hr
Apr 15, 9:17 PM CDTRiver Flood WarningDVNJohnson, Washington34 hr
Apr 16, 10:25 AM CDTRiver Flood WarningDVNLouisa, Muscatine6 days
Apr 16, 10:27 AM CDTRiver Flood WarningDVNLouisa7 days
Apr 16, 10:27 AM CDTRiver Flood WarningDVNLouisa68 hr
Apr 16, 11:30 AM CDTRiver Flood WarningDVNDes Moines, Louisa21 days
Apr 16, 11:30 AM CDTRiver Flood WarningDVNLouisa21 days
Apr 16, 11:30 AM CDTRiver Flood WarningDVNLouisa, Muscatine12 days
Apr 17, 11:21 AM CDTRiver Flood WarningDVNMuscatine, Scott10 days
Apr 17, 11:21 AM CDTRiver Flood WarningDVNMuscatine21 days
Jun 10, 9:14 AM CDTRiver Flood WarningDVNClinton, Scott14 days
Jun 10, 7:47 PM CDTRiver Flood WarningDMXAppanoose, Lucas, Monroe, Wayne4 hr
Jun 10, 9:15 PM CDTRiver Flood WarningDVNJohnson, Washington3 days
Jun 10, 9:15 PM CDTRiver Flood WarningDVNJohnson, Louisa, Washington24 hr
Jun 10, 9:15 PM CDTRiver Flood WarningDVNLouisa, Muscatine5 days
Jun 10, 9:44 PM CDTRiver Flood WarningDVNJackson69 hr
Jun 11, 9:21 AM CDTRiver Flood WarningDVNDes Moines, Henry, Lee3 days
Jun 11, 10:14 PM CDTRiver Flood WarningDMXAppanoose, Lucas, Monroe, Wayne12 hr
Jun 12, 9:48 AM CDTRiver Flood WarningDVNLouisa, Muscatine65 hr
Jun 12, 9:14 PM CDTRiver Flood WarningDVNLouisa60 hr
Jun 13, 7:56 PM CDTRiver Flood WarningDVNLouisa37 hr
Jun 17, 10:22 AM CDTRiver Flood WarningDVNJohnson, Washington70 hr
Jun 17, 8:41 PM CDTRiver Flood WarningDVNDes Moines, Henry, Lee12 hr
Jun 17, 8:58 PM CDTRiver Flood WarningDVNJohnson, Louisa, Washington68 hr
Jun 17, 8:58 PM CDTRiver Flood WarningDVNLouisa3 days
Jun 17, 8:58 PM CDTRiver Flood WarningDVNLouisa4 days
Jun 17, 8:59 PM CDTRiver Flood WarningDVNBenton, Iowa5 days
Jun 21, 8:19 PM CDTRiver Flood WarningDVNJohnson, Washington24 hr
Jul 2, 2:11 PM CDTRiver Flood WarningARXFloyd71 hr
Jul 2, 2:40 PM CDTRiver Flood WarningARXWinneshiek42 hr
Jul 2, 2:40 PM CDTRiver Flood WarningARXAllamakee71 hr
Jul 3, 12:27 AM CDTRiver Flood WarningDMXPolk46 hr
Jul 3, 8:37 PM CDTRiver Flood WarningDVNCedar, Jones, Linn4 days
Jul 4, 1:27 AM CDTRiver Flood WarningDMXBlack Hawk42 hr
Jul 4, 4:17 AM CDTRiver Flood WarningDMXStory24 hr
Jul 4, 4:51 AM CDTRiver Flood WarningDMXStory14 hr
Jul 4, 4:51 AM CDTRiver Flood WarningDMXPolk, Story27 hr
Jul 4, 6:39 AM CDTRiver Flood WarningDMXJasper, Marion, Polk4 days
Jul 4, 9:38 AM CDTRiver Flood WarningDVNBenton, Iowa6 days
Jul 4, 10:35 AM CDTRiver Flood WarningDVNClinton, Scott7 days
Jul 5, 9:50 AM CDTRiver Flood WarningDVNKeokuk48 hr
Jul 5, 8:33 PM CDTRiver Flood WarningDMXPoweshiek, Tama46 hr
Jul 8, 8:44 PM CDTRiver Flood WarningARXFloyd64 hr
Jul 9, 9:55 PM CDTRiver Flood WarningDMXBlack Hawk, Bremer, Butler27 hr
Jul 10, 8:35 AM CDTRiver Flood WarningARXWinneshiek12 hr
Jul 10, 4:15 PM CDTRiver Flood WarningDMXBlack Hawk3 days
Jul 10, 8:10 PM CDTRiver Flood WarningARXAllamakee20 hr
Jul 12, 12:45 PM CDTRiver Flood WarningDMXBlack Hawk19 hr
Jul 15, 9:06 AM CDTRiver Flood WarningDVNLouisa, Muscatine59 hr
Jul 20, 9:02 PM CDTRiver Flood WarningDMXPolk4 hr
Aug 13, 11:05 AM CDTRiver Flood WarningDVNClinton, Scott23 hr
Aug 13, 11:07 AM CDTRiver Flood WarningDVNLouisa, Muscatine62 hr
Aug 13, 11:10 AM CDTRiver Flood WarningDVNBenton, Iowa37 hr
Aug 14, 3:24 PM CDTRiver Flood WarningDVNJohnson, Washington3 days
Aug 14, 3:24 PM CDTRiver Flood WarningDVNLouisa3 days
Aug 14, 3:24 PM CDTRiver Flood WarningDVNLouisa3 days
Aug 15, 9:15 AM CDTRiver Flood WarningDVNDes Moines, Henry, Lee57 hr
Aug 16, 10:54 AM CDTRiver Flood WarningDMXPolk, Warren23 hr
Sep 9, 1:29 AM CDTRiver Flood WarningDMXPolk15 hr
Sep 9, 2:08 AM CDTRiver Flood WarningDMXDallas, Polk17 hr
Sep 9, 4:59 AM CDTRiver Flood WarningDMXPolk16 hr
Sep 15, 1:45 PM CDTRiver Flood WarningDMXPolk28 hr
Sep 15, 2:13 PM CDTRiver Flood WarningDMXDallas, Polk4 hr
Sep 15, 4:11 PM CDTRiver Flood WarningOAXMontgomery27 hr
Sep 17, 9:35 PM CDTRiver Flood WarningDMXPolk, Warren13 hr
Sep 19, 6:34 AM CDTRiver Flood WarningARXClayton30 hr
Sep 19, 8:23 AM CDTRiver Flood WarningARXWinneshiek45 hr
Sep 19, 8:23 AM CDTRiver Flood WarningARXClayton46 hr
Sep 19, 8:50 PM CDTRiver Flood WarningDVNJackson48 hr
Sep 19, 8:57 PM CDTRiver Flood WarningDVNClinton, Scott21 days
Sep 20, 5:17 AM CDTRiver Flood WarningDVNJohnson, Washington4 days
Sep 20, 5:43 AM CDTRiver Flood WarningDVNJohnson, Louisa, Washington4 days
Sep 20, 9:44 AM CDTRiver Flood WarningDVNKeokuk60 hr
Sep 20, 9:51 AM CDTRiver Flood WarningDVNLouisa, Muscatine4 days
Sep 20, 10:02 AM CDTRiver Flood WarningDVNBenton, Iowa24 hr
Sep 20, 7:42 PM CDTRiver Flood WarningDVNLouisa6 days
Sep 20, 7:42 PM CDTRiver Flood WarningDVNLouisa6 days
Sep 21, 11:47 AM CDTRiver Flood WarningDVNDes Moines, Louisa47 hr
Sep 21, 11:47 AM CDTRiver Flood WarningDVNDes Moines5 days
Sep 21, 11:47 AM CDTRiver Flood WarningDVNDes Moines, Lee5 days

By county

Every county with at least one alert. A county page lists each alert that covered it.

The busiest days

Days with the most alerts issued, by UTC date.

  1. July 4, 20268river flood warnings
  2. April 16, 20267river flood warnings
  3. September 20, 20267river flood warnings
  4. June 11, 20266river flood warnings
  5. June 18, 20265river flood warnings
  6. September 21, 20265river flood warnings
  7. July 2, 20263river flood warnings
  8. July 10, 20263river flood warnings
  9. August 13, 20263river flood warnings
  10. August 14, 20263river flood warnings
  11. September 9, 20263river flood warnings
  12. September 15, 20263river flood warnings

Nearby

Alerts in force nowTornadoes on recordThe radar archive2025

Sources

National Weather Service watches, warnings, advisories and statements from the Iowa Environmental Mesonet's VTEC archive, which reconstructs tornado, severe thunderstorm, flash flood and marine warnings back to 1986 from the NWS text archive. Storm Prediction Center watches and mesoscale discussions from SPC's archive through the Mesonet. County centers from the US Census Bureau. Warning verification from the Mesonet's Cow. Rebuilt daily.