Alert archive / Iowa / Flash Flood Warnings

Flash Flood Warnings in Iowa, 2025

68 flash flood warnings in 2025. 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 flash flood warnings reaches back to 1986.

Flash Flood Warnings by county

Each county as a circle sized by its count in 2025. Tap one for its archive.

Flash Flood Warnings
68
Busiest month
July39 flash flood warnings
Busiest day
July 11, 202514 flash 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 20, 7:49 PM CDTFlash Flood WarningDVNBenton, Johnson, Linn3 hr
Apr 24, 4:32 PM CDTFlash Flood WarningOAXPottawattamie3 hr
Apr 24, 7:14 PM CDTFlash Flood WarningOAXPottawattamie4 hr
May 20, 2:31 PM CDTFlash Flood WarningDVNMuscatine3 hr
Jun 17, 2:48 PM CDTFlash Flood WarningFSDPlymouth, Sioux3 hr
Jun 17, 3:34 PM CDTFlash Flood WarningFSDSioux3 hr
Jun 20, 8:42 AM CDTFlash Flood WarningDMXBlack Hawk, Butler, Grundy3 hr
Jun 24, 6:14 AM CDTFlash Flood WarningDMXAdams, Clarke, Decatur, Ringgold, Taylor, Union and 1 more6 hr
Jun 25, 5:13 AM CDTFlash Flood WarningDMXAdair, Adams, Cass, Dallas, Guthrie, Madison and 1 more5 hr
Jun 25, 3:51 PM CDTFlash Flood WarningFSDIda, Woodbury2 hr
Jun 25, 5:07 PM CDTFlash Flood WarningDMXHumboldt, Pocahontas, Wright6 hr
Jun 29, 10:58 AM CDTFlash Flood WarningDMXDecatur4 hr
Jul 3, 6:36 PM CDTFlash Flood WarningDVNDubuque, Jackson3 hr
Jul 8, 2:43 PM CDTFlash Flood WarningDVNClinton, Scott104 min
Jul 10, 6:49 PM CDTFlash Flood WarningDVNDubuque, Jackson, Jones3 hr
Jul 10, 7:42 PM CDTFlash Flood WarningDVNClinton, Jackson4 hr
Jul 10, 10:10 PM CDTFlash Flood WarningDVNScott2 hr
Jul 10, 10:33 PM CDTFlash Flood Warning Considerable damage threatDVNScott108 min
Jul 11, 1:48 AM CDTFlash Flood WarningDVNLouisa, Washington4 hr
Jul 11, 3:09 AM CDTFlash Flood WarningDMXDallas, Madison, Polk, Warren3 hr
Jul 11, 3:09 PM CDTFlash Flood Warning Considerable damage threatDVNDubuque4 hr
Jul 11, 3:42 PM CDTFlash Flood WarningDMXBlack Hawk3 hr
Jul 11, 3:44 PM CDTFlash Flood WarningDVNBenton, Buchanan, Delaware, Linn8 hr
Jul 11, 3:51 PM CDTFlash Flood WarningDMXDallas, Madison, Polk, Warren3 hr
Jul 11, 4:15 PM CDTFlash Flood WarningDVNIowa, Johnson, Linn4 hr
Jul 11, 4:46 PM CDTFlash Flood WarningARXClayton119 min
Jul 11, 5:26 PM CDTFlash Flood Warning EmergencyConsiderable damage threatDVNScott10 hr
Jul 11, 6:30 PM CDTFlash Flood WarningDVNClinton, Scott5 hr
Jul 11, 6:33 PM CDTFlash Flood WarningDVNDes Moines, Henry, Louisa, Muscatine5 hr
Jul 11, 8:25 PM CDTFlash Flood Warning Considerable damage threatDVNDes Moines, Henry, Lee, Van Buren3 hr
Jul 19, 4:09 AM CDTFlash Flood WarningDMXCerro Gordo3 hr
Jul 19, 6:40 AM CDTFlash Flood WarningDVNBenton, Buchanan, Linn5 hr
Jul 20, 3:11 AM CDTFlash Flood WarningDVNKeokuk, Louisa, Muscatine, Washington6 hr
Jul 20, 3:13 AM CDTFlash Flood WarningDMXAdair, Madison6 hr
Jul 20, 3:55 AM CDTFlash Flood WarningDMXDallas, Madison, Polk, Warren5 hr
Jul 20, 5:16 AM CDTFlash Flood WarningDVNIowa, Keokuk4 hr
Jul 20, 5:23 AM CDTFlash Flood WarningDMXJasper, Mahaska, Marion, Poweshiek5 hr
Jul 20, 6:40 AM CDTFlash Flood WarningDVNBenton, Iowa4 hr
Jul 20, 7:24 PM CDTFlash Flood WarningDMXPolk, Warren3 hr
Jul 23, 1:50 AM CDTFlash Flood WarningDVNBuchanan3 hr
Jul 23, 3:44 AM CDTFlash Flood WarningARXClayton, Fayette3 hr
Jul 23, 7:27 PM CDTFlash Flood WarningFSDLyon107 min
Jul 23, 10:43 PM CDTFlash Flood WarningDMXWorth6 hr
Jul 24, 12:48 AM CDTFlash Flood WarningFSDPlymouth, Sioux3 hr
Jul 25, 3:59 PM CDTFlash Flood WarningDVNLouisa, Muscatine5 hr
Jul 25, 4:40 PM CDTFlash Flood WarningDVNMuscatine4 hr
Jul 26, 3:33 AM CDTFlash Flood WarningDVNDes Moines, Henry, Lee, Van Buren8 hr
Jul 26, 7:47 AM CDTFlash Flood WarningDVNDes Moines6 hr
Jul 28, 1:44 AM CDTFlash Flood WarningFSDO'Brien, Sioux91 min
Jul 29, 9:18 PM CDTFlash Flood WarningFSDCherokee, Plymouth, Woodbury4 hr
Jul 29, 10:19 PM CDTFlash Flood WarningFSDCherokee, O'Brien, Plymouth, Sioux4 hr
Aug 7, 6:29 AM CDTFlash Flood WarningDMXAppanoose, Lucas, Wayne6 hr
Aug 7, 8:44 AM CDTFlash Flood WarningDMXClarke, Decatur, Lucas, Wayne4 hr
Aug 9, 3:41 AM CDTFlash Flood WarningFSDCherokee3 hr
Aug 9, 6:27 AM CDTFlash Flood WarningOAXHarrison4 hr
Aug 10, 3:58 AM CDTFlash Flood WarningOAXFremont, Mills, Pottawattamie106 min
Aug 10, 4:18 AM CDTFlash Flood WarningDVNLouisa, Muscatine, Scott5 hr
Aug 10, 5:13 AM CDTFlash Flood WarningDVNCedar, Muscatine, Scott5 hr
Aug 10, 7:01 AM CDTFlash Flood WarningDVNDelaware, Dubuque, Jackson, Jones5 hr
Aug 10, 7:16 AM CDTFlash Flood WarningDVNJohnson, Jones, Linn3 hr
Aug 10, 5:10 PM CDTFlash Flood WarningARXClayton3 hr
Aug 15, 5:39 PM CDTFlash Flood WarningDVNBenton, Buchanan4 hr
Aug 18, 3:36 AM CDTFlash Flood WarningFSDLyon, Osceola, Sioux2 hr
Aug 18, 7:20 AM CDTFlash Flood WarningARXAllamakee, Chickasaw, Floyd, Howard, Mitchell, Winneshiek4 hr
Aug 30, 4:01 PM CDTFlash Flood WarningFSDLyon, O'Brien, Sioux119 min
Sep 16, 8:23 PM CDTFlash Flood WarningDMXCalhoun, Webster3 hr
Sep 16, 9:09 PM CDTFlash Flood WarningFSDO'Brien, Osceola, Sioux63 min
Sep 17, 1:27 AM CDTFlash Flood WarningDMXGuthrie6 hr

By county

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

30 more counties

The busiest days

Days with the most alerts issued, by UTC date.

  1. July 11, 202514flash flood warnings
  2. July 20, 20256flash flood warnings
  3. August 10, 20256flash flood warnings
  4. June 25, 20253flash flood warnings
  5. July 24, 20253flash flood warnings
  6. September 17, 20253flash flood warnings
  7. June 17, 20252flash flood warnings
  8. July 19, 20252flash flood warnings
  9. July 23, 20252flash flood warnings
  10. July 25, 20252flash flood warnings
  11. July 26, 20252flash flood warnings
  12. July 30, 20252flash flood warnings

Nearby

Alerts in force nowTornadoes on recordThe radar archive20242026

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. Rebuilt daily.